Thermoresistant saggers containing silicon carbide and granular filler were produced through slip casting in plaster mould.

用石膏模浇注法生产出了含化硅和粒状填料的耐热匣钵。

The rifts at both installation holes of the silicon carbide rod ends shall be blocked by asbest rope.

硅棒两端安装孔处的隙缝应用石棉绳堵塞。

It has properties of hardening after malleablization,arc welding and impact resistance.It can grind but can not machining demagnitized steel-bonded carbide.

具有加工硬化、电弧烛接和耐冲击的特性，可磨削但不可机械无加工磁性的钢结硬质合。

The characteristic and distinguished method of two classificatory cemented carbide binder is expatiated.It is recommended that GBY is a new cemented carbide binder.

阐述了两大类硬质合成形剂的特点和区分方法,介绍了一种新型硬质合成形剂-GBY。

Taking the superfinishing of thin-wall hole machining as an example, the design and application of combined carbide core drill and reamer are introduced.

本厂簿壁孔精加工为例，介绍了硬质合扩铰复合刀具的设计、结构参数、使用情况应用效果。

Although PM has solved the problem of carbide segregation and crassitude fundamentally, it has complicated technics and extortionate cost, so restricts its application.

粉末冶虽然从根本上解决了化物偏析和粗大的问题，但其工艺复杂，成本过高，应用受到限制。

Transformation mechanism of carbides and their effect on the stress rupture property were investigated in a Ni-base single crystal superalloy with microcontent of carbon.

研究了一种含微量(0.015%)的镍基单高温合在热处理和持久过程中的化物演化机制种化物对合持久性能的影响。

The catalysts on studying can divide into two kinds: the transition metal bifunctional catalysts and the nitride, carbide and oxycarbide catalysts of transition metals.

目前,正丁烷脱氢异构催化剂可分为两类,过渡属双功能催化剂和过渡属氮化物、化物和氧化物催化剂。

The crack initiates at stress concentration point in the root of weld, where has much more martenite, carbide and inclusion, and the serious hydrogen segregation.

裂纹均在焊缝根部应力集中处萌生，该处马氏体含量比较大，化物夹杂物较多，氢的偏聚现象严重。

The characteristics of each cement clinker process by carbide slag in domestic were analysed. dry prebaking, dry grinding, and dry burn process are best prospective.

分析了国内种利用电石渣生产水泥熟料工艺的特点,认为选择新型干法预烘干干磨干烧工艺是最具发展前途的工艺。

It is proved that the pressmark of tooth root, the state of carbide and remanentelements in the material have different effects on the toughness of POwer hacksaw blades.

结果证明，机用锯条的分齿压痕、基体化物状况材料中的残存元素等对机用锯条的韧性有不同程度的影响。

The results of research show that the impurity of infusibility and metal ion has been removed after the leaching of calcium carbide residue, and the transform rate of hydrated lime up to about 88%.

研究表明,电石渣经浸取后不溶性杂质与属离子杂质都被除去,氢氧化钙转化率为88%左右。

Thermoresistant saggers containing silicon carbide and granular filler were produced through slip casting in plaster mould.

用石膏模浇注法生产出了含硅粒状填料的热匣钵。

The rifts at both installation holes of the silicon carbide rod ends shall be blocked by asbest rope.

硅棒两端安装孔处的隙缝应用石棉绳堵塞。

It has properties of hardening after malleablization,arc welding and impact resistance.It can grind but can not machining demagnitized steel-bonded carbide.

具有加工硬、电弧烛冲击的特性，可磨削但不可机械无加工磁性的钢结硬质合。

The characteristic and distinguished method of two classificatory cemented carbide binder is expatiated.It is recommended that GBY is a new cemented carbide binder.

阐述了两大类硬质合成形剂的特点区分方法,介绍了一种新型硬质合成形剂-GBY。

Taking the superfinishing of thin-wall hole machining as an example, the design and application of combined carbide core drill and reamer are introduced.

以本厂簿壁孔精加工为例，介绍了硬质合扩铰复合刀具的设计、结构参数、使用情况及应用效果。

Although PM has solved the problem of carbide segregation and crassitude fundamentally, it has complicated technics and extortionate cost, so restricts its application.

粉末冶虽然从根本上解决了偏析粗大的问题，但其工艺复杂，成本过高，应用受到限制。

Transformation mechanism of carbides and their effect on the stress rupture property were investigated in a Ni-base single crystal superalloy with microcontent of carbon.

研究了一种含微量(0.015%)的镍基单晶高温合在热处理持久过程中的演机制以及各种对合持久性能的影响。

The catalysts on studying can divide into two kinds: the transition metal bifunctional catalysts and the nitride, carbide and oxycarbide catalysts of transition metals.

目前,正丁烷脱氢异构催剂可以分为两类,过渡属双功能催剂过渡属氮、氧催剂。

The crack initiates at stress concentration point in the root of weld, where has much more martenite, carbide and inclusion, and the serious hydrogen segregation.

裂纹均在焊缝根部应力集中处萌生，该处马氏体含量比较大，及夹杂较多，氢的偏聚现象严重。

The characteristics of each cement clinker process by carbide slag in domestic were analysed. dry prebaking, dry grinding, and dry burn process are best prospective.

分析了国内各种利用电石渣生产水泥熟料工艺的特点,认为选择新型干法预烘干干磨干烧工艺是最具发展前途的工艺。

It is proved that the pressmark of tooth root, the state of carbide and remanentelements in the material have different effects on the toughness of POwer hacksaw blades.

结果证明，机用锯条的分齿压痕、基体状况以及材料中的残存元素等对机用锯条的韧性有不同程度的影响。

The results of research show that the impurity of infusibility and metal ion has been removed after the leaching of calcium carbide residue, and the transform rate of hydrated lime up to about 88%.

研究表明,电石渣经浸取后不溶性杂质与属离子杂质都被除去,氢氧钙转率为88%左右。

Thermoresistant saggers containing silicon carbide and granular filler were produced through slip casting in plaster mould.

用石膏模浇注法生产出了含碳化硅和粒状填料的耐热匣钵。

The rifts at both installation holes of the silicon carbide rod ends shall be blocked by asbest rope.

硅碳棒两端安装孔处的隙缝应用石棉绳堵塞。

It has properties of hardening after malleablization,arc welding and impact resistance.It can grind but can not machining demagnitized steel-bonded carbide.

具有加工硬化、电弧烛接和耐冲击的特性，可磨削但不可机械无加工磁性的钢结硬质。

The characteristic and distinguished method of two classificatory cemented carbide binder is expatiated.It is recommended that GBY is a new cemented carbide binder.

阐述了两大类硬质成形剂的特点和区分方法,介绍了一种新型硬质成形剂-GBY。

Taking the superfinishing of thin-wall hole machining as an example, the design and application of combined carbide core drill and reamer are introduced.

以本厂簿壁孔精加工为例，介绍了硬质扩铰复刀具的设计、结构参数、使用情况及应用效果。

Although PM has solved the problem of carbide segregation and crassitude fundamentally, it has complicated technics and extortionate cost, so restricts its application.

粉末冶虽然从根本上解决了碳化偏析和粗大的问题，但其工艺复杂，成本过高，应用受到限制。

Transformation mechanism of carbides and their effect on the stress rupture property were investigated in a Ni-base single crystal superalloy with microcontent of carbon.

研究了一种含微量(0.015%)碳的镍基单晶高温在热处理和持久过程中的碳化演化机制以及各种碳化持久性能的影响。

The catalysts on studying can divide into two kinds: the transition metal bifunctional catalysts and the nitride, carbide and oxycarbide catalysts of transition metals.

目前,正丁烷脱氢异构催化剂可以分为两类,过渡属双功能催化剂和过渡属氮化、碳化和碳氧化催化剂。

The crack initiates at stress concentration point in the root of weld, where has much more martenite, carbide and inclusion, and the serious hydrogen segregation.

裂纹均在焊缝根部应力集中处萌生，该处马氏体含量比较大，碳化及夹杂较多，氢的偏聚现象严重。

The characteristics of each cement clinker process by carbide slag in domestic were analysed. dry prebaking, dry grinding, and dry burn process are best prospective.

分析了国内各种利用电石渣生产水泥熟料工艺的特点,认为选择新型干法预烘干干磨干烧工艺是最具发展前途的工艺。

It is proved that the pressmark of tooth root, the state of carbide and remanentelements in the material have different effects on the toughness of POwer hacksaw blades.

结果证明，机用锯条的分齿压痕、基体碳化状况以及材料中的残存元素等机用锯条的韧性有不同程度的影响。

The results of research show that the impurity of infusibility and metal ion has been removed after the leaching of calcium carbide residue, and the transform rate of hydrated lime up to about 88%.

研究表明,电石渣经浸取后不溶性杂质与属离子杂质都被除去,氢氧化钙转化率为88%左右。

Thermoresistant saggers containing silicon carbide and granular filler were produced through slip casting in plaster mould.

用石膏模浇注法生产出了含碳化硅和粒状填料的耐热匣钵。

The rifts at both installation holes of the silicon carbide rod ends shall be blocked by asbest rope.

硅碳棒两端安装孔处的隙缝应用石棉绳堵塞。

It has properties of hardening after malleablization,arc welding and impact resistance.It can grind but can not machining demagnitized steel-bonded carbide.

具有加工硬化、电弧烛接和耐冲击的特性，磨削但械无加工磁性的钢结硬质合。

The characteristic and distinguished method of two classificatory cemented carbide binder is expatiated.It is recommended that GBY is a new cemented carbide binder.

阐述了两大类硬质合成形剂的特点和区分方法,介绍了一种新型硬质合成形剂-GBY。

Taking the superfinishing of thin-wall hole machining as an example, the design and application of combined carbide core drill and reamer are introduced.

以本厂簿壁孔精加工为例，介绍了硬质合扩铰复合刀具的设计、结构参数、使用情况及应用效果。

Although PM has solved the problem of carbide segregation and crassitude fundamentally, it has complicated technics and extortionate cost, so restricts its application.

粉虽然从根本上解决了碳化物偏析和粗大的问题，但其工艺复杂，成本过高，应用受到限制。

Transformation mechanism of carbides and their effect on the stress rupture property were investigated in a Ni-base single crystal superalloy with microcontent of carbon.

研究了一种含微量(0.015%)碳的镍基单晶高温合在热处理和持久过程中的碳化物演化制以及各种碳化物对合持久性能的影响。

The catalysts on studying can divide into two kinds: the transition metal bifunctional catalysts and the nitride, carbide and oxycarbide catalysts of transition metals.

目前,正丁烷脱氢异构催化剂以分为两类,过渡属双功能催化剂和过渡属氮化物、碳化物和碳氧化物催化剂。

The crack initiates at stress concentration point in the root of weld, where has much more martenite, carbide and inclusion, and the serious hydrogen segregation.

裂纹均在焊缝根部应力集中处萌生，该处马氏体含量比较大，碳化物及夹杂物较多，氢的偏聚现象严重。

The characteristics of each cement clinker process by carbide slag in domestic were analysed. dry prebaking, dry grinding, and dry burn process are best prospective.

分析了国内各种利用电石渣生产水泥熟料工艺的特点,认为选择新型干法预烘干干磨干烧工艺是最具发展前途的工艺。

It is proved that the pressmark of tooth root, the state of carbide and remanentelements in the material have different effects on the toughness of POwer hacksaw blades.

结果证明，用锯条的分齿压痕、基体碳化物状况以及材料中的残存元素等对用锯条的韧性有同程度的影响。

The results of research show that the impurity of infusibility and metal ion has been removed after the leaching of calcium carbide residue, and the transform rate of hydrated lime up to about 88%.

研究表明,电石渣经浸取后溶性杂质与属离子杂质都被除去,氢氧化钙转化率为88%左右。

Thermoresistant saggers containing silicon carbide and granular filler were produced through slip casting in plaster mould.

用石膏模浇注法生产出了碳化硅和粒状填料的钵。

The rifts at both installation holes of the silicon carbide rod ends shall be blocked by asbest rope.

硅碳棒两端安装孔处的隙缝应用石棉绳堵塞。

It has properties of hardening after malleablization,arc welding and impact resistance.It can grind but can not machining demagnitized steel-bonded carbide.

具有加工硬化、电弧烛接和冲击的特性，可磨削但不可机械无加工磁性的钢结硬质合。

The characteristic and distinguished method of two classificatory cemented carbide binder is expatiated.It is recommended that GBY is a new cemented carbide binder.

阐述了两大类硬质合成形剂的特点和区分方法,介绍了一种新型硬质合成形剂-GBY。

Taking the superfinishing of thin-wall hole machining as an example, the design and application of combined carbide core drill and reamer are introduced.

以本厂簿壁孔精加工为例，介绍了硬质合扩铰复合刀具的设计、结构参数、使用情况及应用效果。

Although PM has solved the problem of carbide segregation and crassitude fundamentally, it has complicated technics and extortionate cost, so restricts its application.

粉末冶虽然从根本上解决了碳化物偏析和粗大的问题，但其工艺复杂，成本过高，应用受到限制。

Transformation mechanism of carbides and their effect on the stress rupture property were investigated in a Ni-base single crystal superalloy with microcontent of carbon.

研究了一种(0.015%)碳的镍基单晶高温合在处理和持久过程中的碳化物演化机制以及各种碳化物对合持久性能的影响。

The catalysts on studying can divide into two kinds: the transition metal bifunctional catalysts and the nitride, carbide and oxycarbide catalysts of transition metals.

目前,正丁烷脱氢异构催化剂可以分为两类,过渡属双功能催化剂和过渡属氮化物、碳化物和碳氧化物催化剂。

The crack initiates at stress concentration point in the root of weld, where has much more martenite, carbide and inclusion, and the serious hydrogen segregation.

裂纹均在焊缝根部应力集中处萌生，该处马氏体比较大，碳化物及夹杂物较多，氢的偏聚现象严重。

The characteristics of each cement clinker process by carbide slag in domestic were analysed. dry prebaking, dry grinding, and dry burn process are best prospective.

分析了国内各种利用电石渣生产水泥熟料工艺的特点,认为选择新型干法预烘干干磨干烧工艺是最具发展前途的工艺。

It is proved that the pressmark of tooth root, the state of carbide and remanentelements in the material have different effects on the toughness of POwer hacksaw blades.

结果证明，机用锯条的分齿压痕、基体碳化物状况以及材料中的残存元素等对机用锯条的韧性有不同程度的影响。

The results of research show that the impurity of infusibility and metal ion has been removed after the leaching of calcium carbide residue, and the transform rate of hydrated lime up to about 88%.

研究表明,电石渣经浸取后不溶性杂质与属离子杂质都被除去,氢氧化钙转化率为88%左右。

Thermoresistant saggers containing silicon carbide and granular filler were produced through slip casting in plaster mould.

膏模浇注法生产出了含碳化硅和粒状填料的耐热匣钵。

The rifts at both installation holes of the silicon carbide rod ends shall be blocked by asbest rope.

硅碳棒两端安装孔处的隙缝应绳堵塞。

It has properties of hardening after malleablization,arc welding and impact resistance.It can grind but can not machining demagnitized steel-bonded carbide.

具有加工硬化、电弧烛接和耐冲击的特性，可磨削但不可机械无加工磁性的钢结硬质合。

The characteristic and distinguished method of two classificatory cemented carbide binder is expatiated.It is recommended that GBY is a new cemented carbide binder.

阐述了两大类硬质合形剂的特点和区分方法,介绍了一种新型硬质合形剂-GBY。

Taking the superfinishing of thin-wall hole machining as an example, the design and application of combined carbide core drill and reamer are introduced.

以本厂簿壁孔精加工为例，介绍了硬质合扩铰合刀具的设计、结构参数、使情况及应效果。

Although PM has solved the problem of carbide segregation and crassitude fundamentally, it has complicated technics and extortionate cost, so restricts its application.

粉末冶虽然从根本上解决了碳化物偏析和粗大的问题，但其工艺，本过高，应受到限制。

Transformation mechanism of carbides and their effect on the stress rupture property were investigated in a Ni-base single crystal superalloy with microcontent of carbon.

研究了一种含微量(0.015%)碳的镍基单晶高温合在热处理和持久过程中的碳化物演化机制以及各种碳化物对合持久性能的影响。

The catalysts on studying can divide into two kinds: the transition metal bifunctional catalysts and the nitride, carbide and oxycarbide catalysts of transition metals.

目前,正丁烷脱氢异构催化剂可以分为两类,过渡属双功能催化剂和过渡属氮化物、碳化物和碳氧化物催化剂。

The crack initiates at stress concentration point in the root of weld, where has much more martenite, carbide and inclusion, and the serious hydrogen segregation.

裂纹均在焊缝根部应力集中处萌生，该处马氏体含量比较大，碳化物及夹物较多，氢的偏聚现象严重。

The characteristics of each cement clinker process by carbide slag in domestic were analysed. dry prebaking, dry grinding, and dry burn process are best prospective.

分析了国内各种利电渣生产水泥熟料工艺的特点,认为选择新型干法预烘干干磨干烧工艺是最具发展前途的工艺。

It is proved that the pressmark of tooth root, the state of carbide and remanentelements in the material have different effects on the toughness of POwer hacksaw blades.

结果证明，机锯条的分齿压痕、基体碳化物状况以及材料中的残存元素等对机锯条的韧性有不同程度的影响。

The results of research show that the impurity of infusibility and metal ion has been removed after the leaching of calcium carbide residue, and the transform rate of hydrated lime up to about 88%.

研究表明,电渣经浸取后不溶性质与属离子质都被除去,氢氧化钙转化率为88%左右。

Thermoresistant saggers containing silicon carbide and granular filler were produced through slip casting in plaster mould.

用石膏模浇注法生产出了含碳化硅和粒状填料的耐热匣钵。

The rifts at both installation holes of the silicon carbide rod ends shall be blocked by asbest rope.

硅碳棒两端安装孔处的隙缝应用石棉绳堵塞。

It has properties of hardening after malleablization,arc welding and impact resistance.It can grind but can not machining demagnitized steel-bonded carbide.

具有加工硬化、电弧烛接和耐冲击的，磨削但不机械无加工磁的钢结硬质合。

The characteristic and distinguished method of two classificatory cemented carbide binder is expatiated.It is recommended that GBY is a new cemented carbide binder.

阐述了两大类硬质合成形剂的点和区分方法,介绍了一种新型硬质合成形剂-GBY。

Taking the superfinishing of thin-wall hole machining as an example, the design and application of combined carbide core drill and reamer are introduced.

以厂簿壁孔精加工为例，介绍了硬质合扩铰复合刀具的设计、结构参数、使用情况及应用效果。

Although PM has solved the problem of carbide segregation and crassitude fundamentally, it has complicated technics and extortionate cost, so restricts its application.

粉末冶虽然从解决了碳化物偏析和粗大的问题，但其工艺复杂，成过高，应用受到限制。

Transformation mechanism of carbides and their effect on the stress rupture property were investigated in a Ni-base single crystal superalloy with microcontent of carbon.

研究了一种含微量(0.015%)碳的镍基单晶高温合在热处理和持久过程中的碳化物演化机制以及各种碳化物对合持久能的影响。

The catalysts on studying can divide into two kinds: the transition metal bifunctional catalysts and the nitride, carbide and oxycarbide catalysts of transition metals.

目前,正丁烷脱氢异构催化剂以分为两类,过渡属双功能催化剂和过渡属氮化物、碳化物和碳氧化物催化剂。

The crack initiates at stress concentration point in the root of weld, where has much more martenite, carbide and inclusion, and the serious hydrogen segregation.

裂纹均在焊缝部应力集中处萌生，该处马氏体含量比较大，碳化物及夹杂物较多，氢的偏聚现象严重。

The characteristics of each cement clinker process by carbide slag in domestic were analysed. dry prebaking, dry grinding, and dry burn process are best prospective.

分析了国内各种利用电石渣生产水泥熟料工艺的点,认为选择新型干法预烘干干磨干烧工艺是最具发展前途的工艺。

It is proved that the pressmark of tooth root, the state of carbide and remanentelements in the material have different effects on the toughness of POwer hacksaw blades.

结果证明，机用锯条的分齿压痕、基体碳化物状况以及材料中的残存元素等对机用锯条的韧有不同程度的影响。

The results of research show that the impurity of infusibility and metal ion has been removed after the leaching of calcium carbide residue, and the transform rate of hydrated lime up to about 88%.

研究表明,电石渣经浸取后不溶杂质与属离子杂质都被除去,氢氧化钙转化率为88%左右。

Thermoresistant saggers containing silicon carbide and granular filler were produced through slip casting in plaster mould.

用石膏模浇注法生产出了含碳硅和粒状填料耐热匣钵。

The rifts at both installation holes of the silicon carbide rod ends shall be blocked by asbest rope.

硅碳棒两端安装孔处隙缝应用石棉绳堵塞。

It has properties of hardening after malleablization,arc welding and impact resistance.It can grind but can not machining demagnitized steel-bonded carbide.

具有加工硬、电弧烛接和耐冲击特性，可磨削但不可机械无加工磁性钢结硬质合。

The characteristic and distinguished method of two classificatory cemented carbide binder is expatiated.It is recommended that GBY is a new cemented carbide binder.

阐述了两大类硬质合成形剂特点和区分方法,介绍了一种新型硬质合成形剂-GBY。

Taking the superfinishing of thin-wall hole machining as an example, the design and application of combined carbide core drill and reamer are introduced.

以本厂簿壁孔精加工为例，介绍了硬质合扩铰复合刀具设计、结构参数、使用情况及应用效果。

Although PM has solved the problem of carbide segregation and crassitude fundamentally, it has complicated technics and extortionate cost, so restricts its application.

粉末冶虽然从根本上解决了碳偏析和粗大问题，但其工艺复杂，成本过高，应用受到限制。

Transformation mechanism of carbides and their effect on the stress rupture property were investigated in a Ni-base single crystal superalloy with microcontent of carbon.

研究了一种含微量(0.015%)碳镍基单晶高温合在热处理和持久过程中碳演机制以及各种碳对合持久性响。

The catalysts on studying can divide into two kinds: the transition metal bifunctional catalysts and the nitride, carbide and oxycarbide catalysts of transition metals.

目前,正丁烷脱氢异构催剂可以分为两类,过渡属双功催剂和过渡属氮、碳和碳氧催剂。

The crack initiates at stress concentration point in the root of weld, where has much more martenite, carbide and inclusion, and the serious hydrogen segregation.

裂纹均在焊缝根部应力集中处萌生，该处马氏体含量比较大，碳及夹杂较多，氢偏聚现象严重。

The characteristics of each cement clinker process by carbide slag in domestic were analysed. dry prebaking, dry grinding, and dry burn process are best prospective.

分析了国内各种利用电石渣生产水泥熟料工艺特点,认为选择新型干法预烘干干磨干烧工艺是最具发展前途工艺。

It is proved that the pressmark of tooth root, the state of carbide and remanentelements in the material have different effects on the toughness of POwer hacksaw blades.

结果证明，机用锯条分齿压痕、基体碳状况以及材料中残存元素等对机用锯条韧性有不同程度响。

The results of research show that the impurity of infusibility and metal ion has been removed after the leaching of calcium carbide residue, and the transform rate of hydrated lime up to about 88%.

研究表明,电石渣经浸取后不溶性杂质与属离子杂质都被除去,氢氧钙转率为88%左右。

Thermoresistant saggers containing silicon carbide and granular filler were produced through slip casting in plaster mould.

用石膏模浇注法生产出了含碳化硅和粒状填料的耐热匣钵。

The rifts at both installation holes of the silicon carbide rod ends shall be blocked by asbest rope.

硅碳棒两端安装孔处的隙缝应用石棉绳堵塞。

It has properties of hardening after malleablization,arc welding and impact resistance.It can grind but can not machining demagnitized steel-bonded carbide.

具有加工硬化、电弧烛接和耐冲击的特性，可磨削但不可机械无加工磁性的钢结硬质合。

The characteristic and distinguished method of two classificatory cemented carbide binder is expatiated.It is recommended that GBY is a new cemented carbide binder.

阐述了两大类硬质合成剂的特点和区分方法,介绍了一种新型硬质合成剂-GBY。

Taking the superfinishing of thin-wall hole machining as an example, the design and application of combined carbide core drill and reamer are introduced.

以本厂簿壁孔精加工为例，介绍了硬质合扩铰复合刀具的设计、结构参、使用情况及应用效果。

Although PM has solved the problem of carbide segregation and crassitude fundamentally, it has complicated technics and extortionate cost, so restricts its application.

粉末冶虽然从根本上解决了碳化物偏析和粗大的问题，但其工艺复杂，成本过高，应用受到限制。

Transformation mechanism of carbides and their effect on the stress rupture property were investigated in a Ni-base single crystal superalloy with microcontent of carbon.

研究了一种含微量(0.015%)碳的镍基单晶高温合在热处理和过程中的碳化物演化机制以及各种碳化物对合性能的影响。

The catalysts on studying can divide into two kinds: the transition metal bifunctional catalysts and the nitride, carbide and oxycarbide catalysts of transition metals.

目前,正丁烷脱氢异构催化剂可以分为两类,过渡属双功能催化剂和过渡属氮化物、碳化物和碳氧化物催化剂。

The crack initiates at stress concentration point in the root of weld, where has much more martenite, carbide and inclusion, and the serious hydrogen segregation.

裂纹均在焊缝根部应力集中处萌生，该处马氏体含量比较大，碳化物及夹杂物较多，氢的偏聚现象严重。

The characteristics of each cement clinker process by carbide slag in domestic were analysed. dry prebaking, dry grinding, and dry burn process are best prospective.

分析了国内各种利用电石渣生产水泥熟料工艺的特点,认为选择新型干法预烘干干磨干烧工艺是最具发展前途的工艺。

It is proved that the pressmark of tooth root, the state of carbide and remanentelements in the material have different effects on the toughness of POwer hacksaw blades.

结果证明，机用锯条的分齿压痕、基体碳化物状况以及材料中的残存元素等对机用锯条的韧性有不同程度的影响。

The results of research show that the impurity of infusibility and metal ion has been removed after the leaching of calcium carbide residue, and the transform rate of hydrated lime up to about 88%.

研究表明,电石渣经浸取后不溶性杂质与属离子杂质都被除去,氢氧化钙转化率为88%左右。