The old snow has compacted into the hardness of ice.

雪堆积久了变得像冰那样坚实。

Ungula and ring fracture are due to higher surface hardness.The rational suggestions to settle fracture are put forward.

爪形和环形断裂由表面硬度偏高造成,并提出解断裂问题的合理化建议。

Conduct operation including sampling, mounting, polishing, etching, microscope inspection, hardness testing, NDT testing (magnaflux particles, ultrasonic etc).

协助工程师进行材料测,报告以及分析.

Properties determined by mechanical testing, such as yield strength, ductility, ultimate tensile strength, hardness, bendability, impact strength, etc.

由机械定的特性，如屈服强度、延展度、极限抗张强度、硬度、弯曲性、冲强度等。

The paper deals with the microstructrures and hight-temperatrure hardness of highchromium white cast iron with the austenitic and sorbitic matrices.

本文主要论述了以奥氏体及索氏体为基体的高铬的组织和高温硬度。

Ebonite is one kind of special rubber product with high strength, high modulus, high hardness and fine unnotched impact resistance.

硬质橡胶是一种具有高强度、高硬度、高模量以及良好无缺抗冲强度的特种橡胶制品。

The white afrodite erosion creates the reducing of glass hardness and density,AZS corrosion creates hardness to descend,but the density to raise.

门）泡石侵蚀后造成玻璃硬度和密度的下降，钻刚玉侵蚀后造成硬度下降，但是密度却有所上升。

And hardness depending on the add to rubber in the number of hexanaphthene, envirogluvtm with solvents simply adding a few hexanaphthene.

而软度取于补充在橡胶边的硅油的数目, 搁置带溶剂的油不朱只需补充好多的硅油。

Fracture motorbicycle piston was analysed by means of chemical composition analysis, hardness testing, metallographic examination, and the macro and micro-fractography analysis.

摘要采用化学成分分析、硬度测定、金相检以及断宏、微观分析等方法，对断裂的摩托车活塞进行了分析。

The results show that the titanium can increase the hardness and depth of the nitro-layer,and affect the phose composition of the nitro-layer.

钛能提高氮化层硬度、增加氮化层深度，并对氮化层的相组成有影响。

By means of analysis, hardness test, abrasion test, this paper studies the effect of boron-sulphurizing on microstructure and properties of boronized layer.

通过金相分析、硬度测、磨损测定，研究了硼硫共渗对渗硼层组织和性能的影响。

Analysis of the Stem-fillet blend fracture of exhaust valve was conducted by means of macroexamination, microstructure examination, chemical composition analysis and hardness test.

摘要采用宏、微观检、化学成分分析和硬度测等方法对断头的排气门进行了分析。

Considering its colourable and castable nature, its extended hardness range, low wear and superior load bearing capacity, polyurethane is a smart substitute for rubber.

考虑到着色和浇铸料的性质，选择具有更大硬度范围，低磨损，优越承载能力的聚氨酯替代橡胶是明智的。

With a hardness of approximately 5 and a porcellaneous luster near its lip, the shell exhibits a silky flame structure very similar to the pearl itself.

硬度大约5左右。开处附近呈瓷状光泽。贝所显现的丝状火焰纹结构和美乐珠很类似。

The deep formation has a high degree of hardness and abrasivity;the bit type selection is difficult and the ROP is low especially under the high density mud.

深部井段地层的硬度高、研磨性强，钻头选型困难，特别是在高密度条件下机械钻速低。

The old snow has compacted into the hardness of ice.

雪堆积久了变得像冰那样坚实。

Ungula and ring fracture are due to higher surface hardness.The rational suggestions to settle fracture are put forward.

爪形和环形断裂由表面偏高造成,并提出解决断裂问题的合理化建议。

Conduct operation including sampling, mounting, polishing, etching, microscope inspection, hardness testing, NDT testing (magnaflux particles, ultrasonic etc).

协助工程师进行材料测试,报告以及分析.

Properties determined by mechanical testing, such as yield strength, ductility, ultimate tensile strength, hardness, bendability, impact strength, etc.

由机械试验决定的特性，如屈服强、延展、极限抗张强、、曲性、冲强等。

The paper deals with the microstructrures and hight-temperatrure hardness of highchromium white cast iron with the austenitic and sorbitic matrices.

要论述了以奥氏体及索氏体为基体的高铬白口铁的组织和高温。

Ebonite is one kind of special rubber product with high strength, high modulus, high hardness and fine unnotched impact resistance.

质橡胶是一种具有高强、高、高模量以及良好无缺口抗冲强的特种橡胶制品。

The white afrodite erosion creates the reducing of glass hardness and density,AZS corrosion creates hardness to descend,but the density to raise.

门）白泡石侵蚀后造成玻璃和密的下降，钻刚玉侵蚀后造成下降，但是密却有所上升。

And hardness depending on the add to rubber in the number of hexanaphthene, envirogluvtm with solvents simply adding a few hexanaphthene.

而软取决于补充在橡胶边的硅油的数目, 搁置带溶剂的油不朱只需补充好多的硅油。

Fracture motorbicycle piston was analysed by means of chemical composition analysis, hardness testing, metallographic examination, and the macro and micro-fractography analysis.

摘要采用化学成分分析、测定、金相检验以及断口宏、微观分析等方法，对断裂的摩托车活塞进行了分析。

The results show that the titanium can increase the hardness and depth of the nitro-layer,and affect the phose composition of the nitro-layer.

钛能提高氮化层、增加氮化层深，并对氮化层的相组成有影响。

By means of analysis, hardness test, abrasion test, this paper studies the effect of boron-sulphurizing on microstructure and properties of boronized layer.

通过金相分析、测试、磨损测定，研究了硼硫共渗对渗硼层组织和性能的影响。

Analysis of the Stem-fillet blend fracture of exhaust valve was conducted by means of macroexamination, microstructure examination, chemical composition analysis and hardness test.

摘要采用宏、微观检验、化学成分分析和测试等方法对断头的排气门进行了分析。

Considering its colourable and castable nature, its extended hardness range, low wear and superior load bearing capacity, polyurethane is a smart substitute for rubber.

考虑到着色和浇铸料的性质，选择具有更大范围，低磨损，优越承载能力的聚氨酯替代橡胶是明智的。

With a hardness of approximately 5 and a porcellaneous luster near its lip, the shell exhibits a silky flame structure very similar to the pearl itself.

大约5左右。开口处附近呈瓷状光泽。贝所显现的丝状火焰纹结构和美乐珠很类似。

The deep formation has a high degree of hardness and abrasivity;the bit type selection is difficult and the ROP is low especially under the high density mud.

深部井段地层的高、研磨性强，钻头选型困难，特别是在高密条件下机械钻速低。

The old snow has compacted into the hardness of ice.

雪堆积久了变得像冰那样坚实。

Ungula and ring fracture are due to higher surface hardness.The rational suggestions to settle fracture are put forward.

爪形和环形断裂由表面硬偏高造成,并提出解决断裂问题的合理化建议。

Conduct operation including sampling, mounting, polishing, etching, microscope inspection, hardness testing, NDT testing (magnaflux particles, ultrasonic etc).

协助工程师进行材料测试,报告以及分析.

Properties determined by mechanical testing, such as yield strength, ductility, ultimate tensile strength, hardness, bendability, impact strength, etc.

由机械试验决定的特，如屈服、延展、极限抗张、硬、弯曲、等。

The paper deals with the microstructrures and hight-temperatrure hardness of highchromium white cast iron with the austenitic and sorbitic matrices.

本文主要论述了以奥氏体及索氏体为基体的高铬白口铁的组织和高温硬。

Ebonite is one kind of special rubber product with high strength, high modulus, high hardness and fine unnotched impact resistance.

硬质橡胶是一种具有高、高硬、高模量以及良好无缺口抗的特种橡胶制品。

The white afrodite erosion creates the reducing of glass hardness and density,AZS corrosion creates hardness to descend,but the density to raise.

门）白泡石侵蚀后造成玻璃硬和密的下降，钻刚玉侵蚀后造成硬下降，但是密却有所上升。

And hardness depending on the add to rubber in the number of hexanaphthene, envirogluvtm with solvents simply adding a few hexanaphthene.

而软取决于补充在橡胶边的硅油的数目, 搁置带溶剂的油不朱只需补充好多的硅油。

Fracture motorbicycle piston was analysed by means of chemical composition analysis, hardness testing, metallographic examination, and the macro and micro-fractography analysis.

摘要采用化学成分分析、硬测定、金相检验以及断口宏、微观分析等方法，对断裂的摩托车活塞进行了分析。

The results show that the titanium can increase the hardness and depth of the nitro-layer,and affect the phose composition of the nitro-layer.

钛能提高氮化层硬、增加氮化层深，并对氮化层的相组成有影响。

By means of analysis, hardness test, abrasion test, this paper studies the effect of boron-sulphurizing on microstructure and properties of boronized layer.

通过金相分析、硬测试、磨损测定，研究了硼硫共渗对渗硼层组织和能的影响。

Analysis of the Stem-fillet blend fracture of exhaust valve was conducted by means of macroexamination, microstructure examination, chemical composition analysis and hardness test.

摘要采用宏、微观检验、化学成分分析和硬测试等方法对断头的排气门进行了分析。

Considering its colourable and castable nature, its extended hardness range, low wear and superior load bearing capacity, polyurethane is a smart substitute for rubber.

考虑到着色和浇铸料的质，选择具有更大硬范围，低磨损，优越承载能力的聚氨酯替代橡胶是明智的。

With a hardness of approximately 5 and a porcellaneous luster near its lip, the shell exhibits a silky flame structure very similar to the pearl itself.

硬大约5左右。开口处附近呈瓷状光泽。贝所显现的丝状火焰纹结构和美乐珠很类似。

The deep formation has a high degree of hardness and abrasivity;the bit type selection is difficult and the ROP is low especially under the high density mud.

深部井段地层的硬高、研磨，钻头选型困难，特别是在高密条件下机械钻速低。

The old snow has compacted into the hardness of ice.

雪堆积久了变得像冰那样坚实。

Ungula and ring fracture are due to higher surface hardness.The rational suggestions to settle fracture are put forward.

爪形和环形断裂由表面硬偏高造成,并提出解决断裂问题的合理化建议。

Conduct operation including sampling, mounting, polishing, etching, microscope inspection, hardness testing, NDT testing (magnaflux particles, ultrasonic etc).

协助工程师进行材料测试,报告以及分析.

Properties determined by mechanical testing, such as yield strength, ductility, ultimate tensile strength, hardness, bendability, impact strength, etc.

由机械试验决定的特性，如屈、延展、极限抗张、硬、弯曲性、冲等。

The paper deals with the microstructrures and hight-temperatrure hardness of highchromium white cast iron with the austenitic and sorbitic matrices.

本文主要论述了以奥及为基的高铬白口铁的组织和高温硬。

Ebonite is one kind of special rubber product with high strength, high modulus, high hardness and fine unnotched impact resistance.

硬质橡胶是一种具有高、高硬、高模量以及良好无缺口抗冲的特种橡胶制品。

The white afrodite erosion creates the reducing of glass hardness and density,AZS corrosion creates hardness to descend,but the density to raise.

门）白泡石侵蚀后造成玻璃硬和密的下降，钻刚玉侵蚀后造成硬下降，但是密却有所上升。

And hardness depending on the add to rubber in the number of hexanaphthene, envirogluvtm with solvents simply adding a few hexanaphthene.

而软取决于补充在橡胶边的硅油的数目, 搁置带溶剂的油不朱只需补充好多的硅油。

Fracture motorbicycle piston was analysed by means of chemical composition analysis, hardness testing, metallographic examination, and the macro and micro-fractography analysis.

摘要采用化学成分分析、硬测定、金相检验以及断口宏、微观分析等方法，对断裂的摩托车活塞进行了分析。

The results show that the titanium can increase the hardness and depth of the nitro-layer,and affect the phose composition of the nitro-layer.

钛能提高氮化层硬、增加氮化层深，并对氮化层的相组成有影响。

By means of analysis, hardness test, abrasion test, this paper studies the effect of boron-sulphurizing on microstructure and properties of boronized layer.

通过金相分析、硬测试、磨损测定，研究了硼硫共渗对渗硼层组织和性能的影响。

Analysis of the Stem-fillet blend fracture of exhaust valve was conducted by means of macroexamination, microstructure examination, chemical composition analysis and hardness test.

摘要采用宏、微观检验、化学成分分析和硬测试等方法对断头的排气门进行了分析。

Considering its colourable and castable nature, its extended hardness range, low wear and superior load bearing capacity, polyurethane is a smart substitute for rubber.

考虑到着色和浇铸料的性质，选择具有更大硬范围，低磨损，优越承载能力的聚氨酯替代橡胶是明智的。

With a hardness of approximately 5 and a porcellaneous luster near its lip, the shell exhibits a silky flame structure very similar to the pearl itself.

硬大约5左右。开口处附近呈瓷状光泽。贝所显现的丝状火焰纹结构和美乐珠很类似。

The deep formation has a high degree of hardness and abrasivity;the bit type selection is difficult and the ROP is low especially under the high density mud.

深部井段地层的硬高、研磨性，钻头选型困难，特别是在高密条件下机械钻速低。

The old snow has compacted into the hardness of ice.

雪堆积久了变得像冰那样坚实。

Ungula and ring fracture are due to higher surface hardness.The rational suggestions to settle fracture are put forward.

爪形环形断裂表面硬度偏高造成,并提出解决断裂问题的合理化建议。

Conduct operation including sampling, mounting, polishing, etching, microscope inspection, hardness testing, NDT testing (magnaflux particles, ultrasonic etc).

协助工程师进行材料测试,报告以及分.

Properties determined by mechanical testing, such as yield strength, ductility, ultimate tensile strength, hardness, bendability, impact strength, etc.

械试验决定的特性，如屈服强度、延展度、极限抗张强度、硬度、弯曲性、冲强度等。

The paper deals with the microstructrures and hight-temperatrure hardness of highchromium white cast iron with the austenitic and sorbitic matrices.

本文主要论述了以奥氏体及索氏体为基体的高铬白口铁的高温硬度。

Ebonite is one kind of special rubber product with high strength, high modulus, high hardness and fine unnotched impact resistance.

硬质橡胶是一种具有高强度、高硬度、高模量以及良好无缺口抗冲强度的特种橡胶制品。

The white afrodite erosion creates the reducing of glass hardness and density,AZS corrosion creates hardness to descend,but the density to raise.

门）白泡石侵蚀后造成玻璃硬度密度的下降，钻刚玉侵蚀后造成硬度下降，但是密度却有所上升。

And hardness depending on the add to rubber in the number of hexanaphthene, envirogluvtm with solvents simply adding a few hexanaphthene.

而软度取决于补充在橡胶边的硅油的数目, 搁置带溶剂的油不朱只需补充好多的硅油。

Fracture motorbicycle piston was analysed by means of chemical composition analysis, hardness testing, metallographic examination, and the macro and micro-fractography analysis.

摘要采用化学成分分、硬度测定、金相检验以及断口宏、微观分等方法，对断裂的摩托车活塞进行了分。

The results show that the titanium can increase the hardness and depth of the nitro-layer,and affect the phose composition of the nitro-layer.

钛能提高氮化层硬度、增加氮化层深度，并对氮化层的相成有影响。

By means of analysis, hardness test, abrasion test, this paper studies the effect of boron-sulphurizing on microstructure and properties of boronized layer.

通过金相分、硬度测试、磨损测定，研究了硼硫共渗对渗硼层性能的影响。

Analysis of the Stem-fillet blend fracture of exhaust valve was conducted by means of macroexamination, microstructure examination, chemical composition analysis and hardness test.

摘要采用宏、微观检验、化学成分分硬度测试等方法对断头的排气门进行了分。

Considering its colourable and castable nature, its extended hardness range, low wear and superior load bearing capacity, polyurethane is a smart substitute for rubber.

考虑到着色浇铸料的性质，选择具有更大硬度范围，低磨损，优越承载能力的聚氨酯替代橡胶是明智的。

With a hardness of approximately 5 and a porcellaneous luster near its lip, the shell exhibits a silky flame structure very similar to the pearl itself.

硬度大约5左右。开口处附近呈瓷状光泽。贝所显现的丝状火焰纹结构美乐珠很类似。

The deep formation has a high degree of hardness and abrasivity;the bit type selection is difficult and the ROP is low especially under the high density mud.

深部井段地层的硬度高、研磨性强，钻头选型困难，特别是在高密度条件下械钻速低。

The old snow has compacted into the hardness of ice.

雪堆积久了变得像冰那样坚实。

Ungula and ring fracture are due to higher surface hardness.The rational suggestions to settle fracture are put forward.

爪断裂由表面硬度偏高造成,并提出解决断裂问题的合理化建议。

Conduct operation including sampling, mounting, polishing, etching, microscope inspection, hardness testing, NDT testing (magnaflux particles, ultrasonic etc).

协助工程师进行材料测试,报告以及分析.

Properties determined by mechanical testing, such as yield strength, ductility, ultimate tensile strength, hardness, bendability, impact strength, etc.

由机械试验决定的特性，如屈服强度、延展度、极限抗张强度、硬度、弯曲性、冲强度等。

The paper deals with the microstructrures and hight-temperatrure hardness of highchromium white cast iron with the austenitic and sorbitic matrices.

本文主要论述了以奥氏体及索氏体为基体的高铬口铁的组织高温硬度。

Ebonite is one kind of special rubber product with high strength, high modulus, high hardness and fine unnotched impact resistance.

硬质橡胶是一种具有高强度、高硬度、高模量以及良好无缺口抗冲强度的特种橡胶制品。

The white afrodite erosion creates the reducing of glass hardness and density,AZS corrosion creates hardness to descend,but the density to raise.

门）侵蚀后造成玻璃硬度密度的下降，钻刚玉侵蚀后造成硬度下降，但是密度却有所上升。

And hardness depending on the add to rubber in the number of hexanaphthene, envirogluvtm with solvents simply adding a few hexanaphthene.

而软度取决于补充在橡胶边的硅油的数目, 搁置带溶剂的油不朱只需补充好多的硅油。

Fracture motorbicycle piston was analysed by means of chemical composition analysis, hardness testing, metallographic examination, and the macro and micro-fractography analysis.

摘要采用化学成分分析、硬度测定、金相检验以及断口宏、微观分析等方法，对断裂的摩托车活塞进行了分析。

The results show that the titanium can increase the hardness and depth of the nitro-layer,and affect the phose composition of the nitro-layer.

钛能提高氮化层硬度、增加氮化层深度，并对氮化层的相组成有影响。

By means of analysis, hardness test, abrasion test, this paper studies the effect of boron-sulphurizing on microstructure and properties of boronized layer.

通过金相分析、硬度测试、磨损测定，研究了硼硫共渗对渗硼层组织性能的影响。

Analysis of the Stem-fillet blend fracture of exhaust valve was conducted by means of macroexamination, microstructure examination, chemical composition analysis and hardness test.

摘要采用宏、微观检验、化学成分分析硬度测试等方法对断头的排气门进行了分析。

Considering its colourable and castable nature, its extended hardness range, low wear and superior load bearing capacity, polyurethane is a smart substitute for rubber.

考虑到着色浇铸料的性质，选择具有更大硬度范围，低磨损，优越承载能力的聚氨酯替代橡胶是明智的。

With a hardness of approximately 5 and a porcellaneous luster near its lip, the shell exhibits a silky flame structure very similar to the pearl itself.

硬度大约5左右。开口处附近呈瓷状光泽。贝所显现的丝状火焰纹结构美乐珠很类似。

The deep formation has a high degree of hardness and abrasivity;the bit type selection is difficult and the ROP is low especially under the high density mud.

深部井段地层的硬度高、研磨性强，钻头选型困难，特别是在高密度条件下机械钻速低。

The old snow has compacted into the hardness of ice.

雪堆积久了变得像冰那样坚实。

Ungula and ring fracture are due to higher surface hardness.The rational suggestions to settle fracture are put forward.

爪形和环形断裂由表面硬度偏高造成,并提出解决断裂问题的合理化建议。

Conduct operation including sampling, mounting, polishing, etching, microscope inspection, hardness testing, NDT testing (magnaflux particles, ultrasonic etc).

协助工程师进行材料测试,报告以及分析.

Properties determined by mechanical testing, such as yield strength, ductility, ultimate tensile strength, hardness, bendability, impact strength, etc.

由机械试验决定的特性，如屈服强度、延展度、极限抗张强度、硬度、弯曲性、冲强度等。

The paper deals with the microstructrures and hight-temperatrure hardness of highchromium white cast iron with the austenitic and sorbitic matrices.

本文主要论述了以奥氏体及索氏体为基体的高铬白口铁的组织和高温硬度。

Ebonite is one kind of special rubber product with high strength, high modulus, high hardness and fine unnotched impact resistance.

硬质橡胶是一种具有高强度、高硬度、高模量以及良好无缺口抗冲强度的特种橡胶制品。

The white afrodite erosion creates the reducing of glass hardness and density,AZS corrosion creates hardness to descend,but the density to raise.

门）白泡石侵蚀后造成玻璃硬度和密度的下降，钻刚玉侵蚀后造成硬度下降，但是密度却有所上升。

And hardness depending on the add to rubber in the number of hexanaphthene, envirogluvtm with solvents simply adding a few hexanaphthene.

而软度取决于橡胶边的硅油的数目, 搁置带溶剂的油不朱只需好多的硅油。

Fracture motorbicycle piston was analysed by means of chemical composition analysis, hardness testing, metallographic examination, and the macro and micro-fractography analysis.

摘要采用化学成分分析、硬度测定、金相检验以及断口宏、微观分析等方法，对断裂的摩托车活塞进行了分析。

The results show that the titanium can increase the hardness and depth of the nitro-layer,and affect the phose composition of the nitro-layer.

钛能提高氮化层硬度、增加氮化层深度，并对氮化层的相组成有影响。

By means of analysis, hardness test, abrasion test, this paper studies the effect of boron-sulphurizing on microstructure and properties of boronized layer.

通过金相分析、硬度测试、磨损测定，研究了硼硫共渗对渗硼层组织和性能的影响。

Analysis of the Stem-fillet blend fracture of exhaust valve was conducted by means of macroexamination, microstructure examination, chemical composition analysis and hardness test.

摘要采用宏、微观检验、化学成分分析和硬度测试等方法对断头的排气门进行了分析。

Considering its colourable and castable nature, its extended hardness range, low wear and superior load bearing capacity, polyurethane is a smart substitute for rubber.

考虑到着色和浇铸料的性质，选择具有更大硬度范围，低磨损，优越承载能力的聚氨酯替代橡胶是明智的。

With a hardness of approximately 5 and a porcellaneous luster near its lip, the shell exhibits a silky flame structure very similar to the pearl itself.

硬度大约5左右。开口处附近呈瓷状光泽。贝所显现的丝状火焰纹结构和美乐珠很类似。

The deep formation has a high degree of hardness and abrasivity;the bit type selection is difficult and the ROP is low especially under the high density mud.

深部井段地层的硬度高、研磨性强，钻头选型困难，特别是高密度条件下机械钻速低。

The old snow has compacted into the hardness of ice.

雪堆积久了变得像冰那样坚实。

Ungula and ring fracture are due to higher surface hardness.The rational suggestions to settle fracture are put forward.

爪形和环形断裂由表面硬度偏高造成,并提出解决断裂问题合理化建议。

Conduct operation including sampling, mounting, polishing, etching, microscope inspection, hardness testing, NDT testing (magnaflux particles, ultrasonic etc).

协助工程师进行材料测试,报告以及分析.

Properties determined by mechanical testing, such as yield strength, ductility, ultimate tensile strength, hardness, bendability, impact strength, etc.

由机械试验决定特性，如屈服强度、延展度、极限抗张强度、硬度、弯曲性、冲强度等。

The paper deals with the microstructrures and hight-temperatrure hardness of highchromium white cast iron with the austenitic and sorbitic matrices.

本文主要论述了以奥氏体及索氏体为基体高铬白口铁组织和高温硬度。

Ebonite is one kind of special rubber product with high strength, high modulus, high hardness and fine unnotched impact resistance.

硬质橡胶一种具有高强度、高硬度、高模量以及良好无缺口抗冲强度特种橡胶制品。

The white afrodite erosion creates the reducing of glass hardness and density,AZS corrosion creates hardness to descend,but the density to raise.

门）白泡石侵蚀后造成玻璃硬度和密度下，钻刚玉侵蚀后造成硬度下，密度却有所上升。

And hardness depending on the add to rubber in the number of hexanaphthene, envirogluvtm with solvents simply adding a few hexanaphthene.

而软度取决于补充在橡胶边硅油数目, 搁置带溶剂油不朱只需补充好多硅油。

Fracture motorbicycle piston was analysed by means of chemical composition analysis, hardness testing, metallographic examination, and the macro and micro-fractography analysis.

摘要采用化学成分分析、硬度测定、金相检验以及断口宏、微观分析等方法，对断裂摩托车活塞进行了分析。

The results show that the titanium can increase the hardness and depth of the nitro-layer,and affect the phose composition of the nitro-layer.

钛能提高氮化层硬度、增加氮化层深度，并对氮化层相组成有影响。

By means of analysis, hardness test, abrasion test, this paper studies the effect of boron-sulphurizing on microstructure and properties of boronized layer.

通过金相分析、硬度测试、磨损测定，研究了硼硫共渗对渗硼层组织和性能影响。

Analysis of the Stem-fillet blend fracture of exhaust valve was conducted by means of macroexamination, microstructure examination, chemical composition analysis and hardness test.

摘要采用宏、微观检验、化学成分分析和硬度测试等方法对断头排气门进行了分析。

Considering its colourable and castable nature, its extended hardness range, low wear and superior load bearing capacity, polyurethane is a smart substitute for rubber.

考虑到着色和浇铸料性质，选择具有更大硬度范围，低磨损，优越承载能聚氨酯替代橡胶明智。

With a hardness of approximately 5 and a porcellaneous luster near its lip, the shell exhibits a silky flame structure very similar to the pearl itself.

硬度大约5左右。开口处附近呈瓷状光泽。贝所显现丝状火焰纹结构和美乐珠很类似。

The deep formation has a high degree of hardness and abrasivity;the bit type selection is difficult and the ROP is low especially under the high density mud.

深部井段地层硬度高、研磨性强，钻头选型困难，特别在高密度条件下机械钻速低。

The old snow has compacted into the hardness of ice.

雪堆积久了变得像冰那样坚实。

Ungula and ring fracture are due to higher surface hardness.The rational suggestions to settle fracture are put forward.

爪形和环形断裂由表面硬度偏高造成,并提出解决断裂问题合理化建议。

Conduct operation including sampling, mounting, polishing, etching, microscope inspection, hardness testing, NDT testing (magnaflux particles, ultrasonic etc).

协助工程师进行材料测试,报告以及分析.

Properties determined by mechanical testing, such as yield strength, ductility, ultimate tensile strength, hardness, bendability, impact strength, etc.

由机械试验决定，屈服强度、延展度、极限抗张强度、硬度、弯曲、冲强度等。

The paper deals with the microstructrures and hight-temperatrure hardness of highchromium white cast iron with the austenitic and sorbitic matrices.

本文主要论述了以奥氏及索氏为高铬白口铁组织和高温硬度。

Ebonite is one kind of special rubber product with high strength, high modulus, high hardness and fine unnotched impact resistance.

硬质橡胶是一种具有高强度、高硬度、高模量以及良好无缺口抗冲强度种橡胶制品。

The white afrodite erosion creates the reducing of glass hardness and density,AZS corrosion creates hardness to descend,but the density to raise.

门）白泡石侵蚀后造成玻璃硬度和密度下降，钻刚玉侵蚀后造成硬度下降，但是密度却有所上升。

And hardness depending on the add to rubber in the number of hexanaphthene, envirogluvtm with solvents simply adding a few hexanaphthene.

而软度取决于补充在橡胶边硅油数目, 搁置带溶剂油不朱只需补充好多硅油。

Fracture motorbicycle piston was analysed by means of chemical composition analysis, hardness testing, metallographic examination, and the macro and micro-fractography analysis.

摘要采用化学成分分析、硬度测定、金相检验以及断口宏、微观分析等方法，对断裂摩托车活塞进行了分析。

The results show that the titanium can increase the hardness and depth of the nitro-layer,and affect the phose composition of the nitro-layer.

钛能提高氮化层硬度、增加氮化层深度，并对氮化层相组成有影响。

By means of analysis, hardness test, abrasion test, this paper studies the effect of boron-sulphurizing on microstructure and properties of boronized layer.

通过金相分析、硬度测试、磨损测定，研究了硼硫共渗对渗硼层组织和能影响。

Analysis of the Stem-fillet blend fracture of exhaust valve was conducted by means of macroexamination, microstructure examination, chemical composition analysis and hardness test.

摘要采用宏、微观检验、化学成分分析和硬度测试等方法对断头排气门进行了分析。

Considering its colourable and castable nature, its extended hardness range, low wear and superior load bearing capacity, polyurethane is a smart substitute for rubber.

考虑到着色和浇铸料质，选择具有更大硬度范围，低磨损，优越承载能力聚氨酯替代橡胶是明智。

With a hardness of approximately 5 and a porcellaneous luster near its lip, the shell exhibits a silky flame structure very similar to the pearl itself.

硬度大约5左右。开口处附近呈瓷状光泽。贝所显现丝状火焰纹结构和美乐珠很类似。

The deep formation has a high degree of hardness and abrasivity;the bit type selection is difficult and the ROP is low especially under the high density mud.

深部井段地层硬度高、研磨强，钻头选型困难，别是在高密度条件下机械钻速低。