The recombination action assembled systematically in 2-3 compounds with active phenolic acid of transsulfurase influenced transsulfurase activity.

系统性地组合2种或3种具有促转硫酶活性酚酸化合物在复合作用下对转硫酶活性之影响。

Fe-only hydrogenase can catalyze the reversible reaction of protons and electrons to molecular hydrogen in nature.

对铁氢化酶活性中心行化学模拟将有可能产生出新型的产氢催化剂。

Its gene frequency was calculated according to Hardy-Weinberg equation.Results Activity of serum paraoxonase was 97.6-472.1 unit.

结果正常人群的对氧磷酶活性范围在97.6～472.1单位之间，不同年和性别之间差异无显著性。

Methods To analyse enzyme activity,electrophoresis,immunological measurment,chramatography and phosphatidase D of 500 normal child.

收集儿少年不同年组正常人血500,行酶活性分析、电泳、免疫测定、层析酶分解试验。

Secondly the enzyme is inhibited by an intermediate lower down the metabolic pathway, usually either phosphoenolpyruvate or citrate.

其次，减缓代谢途径的一个中间体，通常是磷酸烯醇或柠檬酸降低酶的活性。

Aloe chromone is a group of anti-inflammatory and anti-tyrosinase constituents found in aloe vera leaves.

芦荟色酮是在芦荟叶中特有的一类具有抗炎和抑制酪氨酸酶等作用的活性物质。

Superoxide dismutase(SOD) in eggs can inhibit the photoreduction of nitro-blue tetrazolium (NBT).Thisreaction can be used to quantitatively determine the enzyme activities of SOD.

鸡蛋中的超氧化物歧化酶（SOD）可以抑制氮蓝四唑（NBT）的光化还原，可以根据SOD对NBT光化还原的抑制作为酶活性的定量测定。

Of the system, P0 is one of the important components; it has twoactivities, MPO and DPO, and exists as proenzyme PPO in the insect.

其中，PO是PPO系统的关键成分之一，它是以酶原形式PPO存在于昆虫体内，具有MPO和DPO两种酶活性。

Feedback inhibition The inhibition of the activity of an enzyme (often the first) in a multienzyme reaction sequence by the product of that sequence.

在多酶反应体系中，反应的最终产物抑制最初反应酶的活性（通常是第一个酶）。

It is suggested that to use soil catalase and saccharase activities to indecate the contamination situation by heavy metal in the soil of tea garden.

建议以过氧化氢酶和蔗糖酶的活性作为评价和预测锰矿恢复区茶园土壤锰镉污染状况的敏感指标。

It was proved that the osazone sulfuric acid development method(OSADM) is a quite ideal DAHPS activity assay method, according to the osazone's absorption map, the linear relations, detecting limit.

根据糖脎的物质吸收图谱、线性关系、最小检出限等方面都证明糖脎硫酸显色法是一种比较理想的DAHPS的酶活性测定方法，并确定此法为测定酶活性的第三种方法。

Moreover, the activities of isocitrate lyase and isocitrate dehydrogenase in the 0 P-treated cells were 1.48 and 0.75 times higher than in the control at day 8 of the treatment.

在第8 d，缺磷条件下的细胞异柠檬酸裂解酶活性和异柠檬酸脱氢酶活性分别是对照的1.48倍和75%。

As the estrogen is combined with osteoclast, it can inhibit the activity of lysomal enzyme, inhibit bone resorption and decrease the ability of osteclast on forming cavate in bone slice.

作用于破骨细胞则抑制其溶酶体酶的活性，抑制骨吸收，并降低其在骨切片上产生凹陷的能力。