比活性

磷酯酶A的比活性为24微克分子/分/毫克。

The specific activity is 24 umol . / min / mg .

该酶的比活性为5500U/mg（黄嘌吟氧化酶&细胞色素还原法）；

Its specific activity is 5 500 U / mg determined by the xanthine oxidase-cytochrome C reduction method . It 's sensitive to KCN .

蛋白激酶C在人子宫平滑肌组织中比活性的测定

The Determination of Protein Kinase C Activity in the Tissue of Human Myometrium

比活性达2.05×1011IU／g。

Its specific activity is 2.05 × 10 11 IU / g.

DNA饱和分析法，是一种简便的测定RNA聚合酶相对含量和相对比活性的方法。

DNA saturation experiment is a convenient method for measuring the relative amount and specific activity of RNA polymerase .

经旋转等电聚焦电泳，一步纯化31.75倍，回收率为56.25%，比活性达1.02×10~7U／mg蛋白。

75 times with a recovery rate of 56 . 25 % and the specific activity of 1 . 02 X 107U / ml protein .

纯化后的SOD比活性为5029U/mg，活力回收率为34%。

Purified SOD had a specific activity of 5029 U / mg and the yield of total activity was about 34 % .

粗制干扰素经第一步纯化，活性回收70%左右，比活性约为10~6国际单位mg蛋白~（-1）。

The IFN can be purified to about 106 international units per mg of protein with about 70 % recovery on the first step of purification .

应用碱性磷酸酶（ALP）检测试剂盒及茜素红法检测细胞ALP比活性和细胞矿化能力；

Cellular alkaline activity and mineralization were examined by ALP measurement kit and Alizarin Red-S staining .

过量氟化钠和偏食都能造成实验大鼠肥大细胞区ALP、LDH、CK和GOT的比活性明显增加；

Both monotonous diet and over-fluoride diet can significantly increase the enzyme specific activity of ALP , LDH , CK and GOT .

离子交换层析纯化出α-半乳糖苷酶，酶比活性从15U／mg提高到28.14U／mg。

The recombinant enzyme was purified by cation exchange chromatography and the activity was up to 28.14U/mg .

用大肠杆菌大片段DNA多聚酶Ⅰ延长引物法检测DNA引物酶比活性为8753U／mg，酶总获得为22.1%。

DNA primase activity was assayed with E coli . DNA polymerase ⅰ Klenow fragment extended primers . The specific activity of the enzyme was 8 753 U / mg protein .

酶的比活性由最初的0.05U／mg提高到7.52U／mg，纯化了150.4倍，活性回收率为19.6%。

After purification , the specific activity improved from 0.05 U / mg to 7.52 U / mg , about 150.4 fold . Recovery of activity was 19.6 % .

用草甘膦处理两种三出复叶时的菜豆1d后酶比活性上升15%～25%。

After treatment with glyphosate for 24 hours , the two beans enzyme activities increase 15 % ~ 20 % .

测定血清NO浓度、肝脏NO含量和肝脏NOS比活性，观察肝脏βNADPH黄递酶组化染色。

The level of serum and liver NO , liver NOS activity were measured . β NADPH diaphorase staining was observed .

该提制品淀粉酶的比活性达84.3kU／g蛋白，几乎不含其它杂酶（测不到ALT、AST、LD、CK、GGT、ChE、ALP活性浓度）。

The purified Amy has a specific activity of 84 3 kU / g of protein . It was almost free of contaminating enzymes .

在大电流密度区，亲水型MEA中的Pt电化学比活性也明显高于疏水型电极。

Furthermore , the specific activity of Pt in thin MEA was higher than that of conventional MEA in the range of large current density .

与米曲霉ATCC20423的乳糖酶相比，该乳糖酶具热稳定性强、比活性高、pH范围宽等特点。

Compare to the lactase from Aspergillus oryzae ATCC 20423 , the expressed lactase from A. candidus have better enzymatic properties including the high thermostability , high specific activity and wide pH range for enzyme reaction .

结果：基础状态下，HMC胞膜PKC比活性高于胞浆PKC比活性；

Results : Under basal states , PKC activity in the particulate fraction of HMC was higher than that in the cytosolic fraction .

表达产物具有SOD酶活性，酶比活性分别为90.15U/mg、114.06U/mg和216.13U/mg。

Pyrogallol autoxidation for determination of superoxide dismutase showed that the expression products ' specific activity amounted to 90.15 U / mg , 114.06 U / mg and 216.13 U / mg respectively .

结果表明：突变型的PAL、POD和PPO比活性以及木质素含量均明显高于原始型；

The results showed that the activities of PAL , POD and PPO , and contents of lignin in mutant calli were obviously higher than those in original calli ;

通过有机溶剂沉淀、聚乙二醇二次沉淀、羟基磷灰石柱色谱分离，可得到比活性超过190U／mg蛋白的产品。

The obtained waste cell extract containing GOD was treated by a combination of cold ethanol precipitation , PEG fractionation and chromatography on hydroxyapatite to afford a final product with a specific activity of 190 U / mg protein .

N端氨基酸序列测定表明重组人IFNω具有正确的N端氨基酸残基顺序，相对分子质量为22000，并具有同天然蛋白相似的比活性。

Analysis of the recombinant protein revealed that the protein had the same N_terminal sequence as the native one , its molecular weight was 22 ? 000 , and its specific activity was similar to natural human IFN_ ω .

纯化产物的比活性可达1.0×108u／mg。

The expressed rhG-CSF was inclusion body , and the specific activity of it reached 1.0 × 108u / mg after being purified .

并同时发现：在相同工作条件下，膜生物反应器系统对COD、氨氮和TN的去除效率比活性污泥系统中去除效率高。

Compared SND in the Activated Sludge System with SND in MBR and found that the MBR has a higher removal efficiency of COD , ammonia and TN than the Activated Sludge System .

随着病害的发展，过氧化物酶活性及比活性、蛋白质、水分、N、P、K、碳水化合物含量均发生变化，从而扰乱了寄主正常的生理代谢活动。

As the disease developes , the metabolism of the host may be confused due to the changes of the activity and specific activity of peroxidase , the contents of protein , water , N , P , K and carbohydrates in the diseased needles .

金属螯合层析等步骤，分离纯化了重组3-磷酸甘油脱氢酶，SDS-PAGE结果都显示出一条带，GPD（逆向）比活性为192U／mg，GPP比活性为4440U／mg；

And so on . All results of SDS-PAGE showed one strip . The GPD ( reverse ) and GPP specific activities were 192 U / mg and 4440 U / mg respectively .

用这种方法测定了用CHO细胞表达的基因重组uPA产品，单链比例大于98%，比活性约为11×104U/mg。

When the recombinant u-PA product expressed by CHO cells was analyzed with this method , the scu-PA ratio was greater than 98 % , and the specific activity was about 11 × 10 4 U / mg .

测定血清中碱性磷酸酶（AKP）铜蓝蛋白酶（CP）及铜铁锌等微量元素的浓度和全血过氧化物酶（SOD）的活性和比活性。观察其日增重和饲料转化率。

Concentrations of serum enzymes ( AKP , CP ), trace elements ( Cu , Fe & Zn ), the activity and specific activity of SOD'were determined , and the daily gain and feed conversion were observed .

结果终产物纯度达97%，比活性达12×107U/mg蛋白，测定N端20个氨基酸系列与其DNA系列推导的氨基酸系列完全一致。

The purity of final product reached 97 % , and the specific activity reached 1 2 × 10U / mg protein . Its amino acid composition and partial NH 2-terminal sequence ( up to twenty residues ) were also identical with its cDNA sequence reported for this protein .