the ac impedance spectra showed that the electro-deoxidation reaction of silicon dioxide is a two-step reaction and corresponding to the two reduction current peaks in the cyclic voltammetry curve.

1、

it was shown that the adsorption processes of hsa and lysozyme could be described by a kinetic equation involving two consecutive reactions.

结果表明，HSA和溶菌酶的吸附过程可以用包含两步反应的动力学方程来描述。

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2、

a study on direct synthesis of acetic acid from cbm and co_2 by two-step reaction sequence in the way of "short contact" and in the presence of water

短接触和水蒸气存在下的煤层CH4和CO2两步反应直接合成乙酸的研究

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3、

a flame-retardant nitrogen-containing curing agent was synthesized by melamine, formaldehyde and phenol through two reactions.

以三聚氰胺、甲醛和苯酚为原料经两步反应，制得了一种环氧树脂的含氮固化剂（三聚氰胺改性酚醛，MPF）。

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4、

then in the same way, we prepared the sulfonic mesoporous molecular sieve in two steps.

随后用同样方式，通过两步反应，合成磺酸型MCM-41介孔分子筛。

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5、

hiv-1 integrase ( in) integrates viral dna into host cells through two steps metal ions-dependent reactions.

HIV-1整合酶（IN）通过依赖金属离子的两步反应将病毒DNA整合入宿主细胞中。

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6、

methods the target compound was synthesized by two steps with 4-hydroxy-6-methyl-2-pyrone and n, n-dimethylformamide dimethyl acetal as the starting materials.

方法以4羟基6甲基2吡喃酮、N，N二甲基甲酰胺二甲氧基缩醛为起始原料，经两步反应制得目标化合物。

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7、

study on ch_4-co_2 two-step reaction and co_2 hydrogenation by a short contact way

短接触CH4-CO2两步反应和CO2加氢研究

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8、

diagnostic significance of plasma prolidase activity in chronic liver diseases

血浆脯氨酸肽酶活性测定在慢性肝病诊断中的意义

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9、

a modified method for superoxide dismutase activity measurement. dai

超氧化物歧化酶活性测定的一种改进法

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10、

research of serum γ-glutamyltranspeptidase in laryngeal cancer diagnosis and prognosis

喉癌患者血清γ－谷氨酰转肽酶活性测定

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11、

detection and analysis of serum prolidase activity in viral hepatitis

病毒性肝炎患者血清脯氨酸肽酶活性测定及其意义分析

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12、

studies on testing conditions of-d-glucosidase activity in tea

茶叶中β-D-葡萄糖苷酶活性测定条件的研究

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13、

measurement of serum biotinidase activity in hepatic disease and its significance

肝硬化患者血清生物素基酶活性测定及其临床意义

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14、

research on chromogenic peptide in determination of prekallikrein/ kallikrein activity

发色多肽用于前激肽释放酶活性测定的研究

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15、

determination of the serum catalase activity in patients with liver diseases

肝病患者的血清过氧化氢酶活性测定初探

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16、

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。

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17、

for enzymatic assay, samples were dissolved in distilled water and aliquots of solution were mixed with tmb and h2o2. kinetics of enzymatic reaction was recorded at 700 nm and hrp activity was calculated in respect to the kinetic curve using fresh-prepared hrp as a control. 3.

酶活性测定时，样品用双蒸水溶解，吸取样品溶液，与TMB和H2O2混和后于700nm处测定反应反应进程曲线，以含有等量新配制HRP的反应体系为对照，计算酶的相对活性。

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18、

three detecting methods in yeast proteinase a ( pra) assay including uv absorbance, lowry method and modified bradford method were compared when using casein or hemoglobin as substrates.

其中以蛋白质为底物时的酶活性测定方法方便快捷，但是当酵母蛋白酶A酶活性较低时，产物采用紫外吸收法以及Lowry法的检测灵敏度都比较低。

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19、

the results showed that pa19, pa2 and pk1 strains had high nitrogenase activities.

经固氮酶活性测定，PA19、PA2和PK1菌株具有较强的固氮酶活性。

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20、

the assay of enzyme activity indicates that there was cam dependent ca 2+ atpase activity, but no nad kinase one.

酶活性测定实验表明在蚯蚓CaMBPs中有Ca2＋－ATPase活性，但无NAD激酶活性。

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