成酶的

A method for determinating the activities of pectinase was proposed in this paper. It can produce the red-brown amino compounds when 3,5-dinitrosalicylic acid and aldehyde were heated together. The amino compounds had maximum absorbency at 540nm. In certain range, there was a good linear relationship between the amount of reducing sugar and the color of the reaction mixture.

针对QB1502-92标准测定方法测定高活力果胶酶、固定化果胶酶活力存在的实验误差大，重现性及灵敏度差的缺陷，提出了利用3，5-二硝基水杨酸与醛糖共热产生棕红色的氨基化合物，在一定范围内还原糖的量和含有呈色氨基化合物的反应液颜色深浅成正比的原理，在540nm下测其吸光度，从而计算出果胶酶活力的测定方法，并对测定步骤、影响因素及测定中可能出现的问题进行了试验研究。

The enzyme activity in the hemocytes of infected shrimp was remarkably different from the healthy ones. In the infected shrimp, it could also be observed that granules were expelled from hemocyte in a process of cytolysis. The enzymes were thus activated.

健康虾和患病虾血细胞中酶活性的表现形式不尽相同，在病理情况下，颗粒细胞能以细胞解体的方式，排出细胞内的颗粒，转化成有活性的酶，以此提高血淋巴中这几种酶的活性。

The manual compensatory beverage product was prepared by hydrolyzate , then its optimal formula was assured.

本实验以新鲜百合为主要原料，利用α-淀粉酶和糖化酶将百合中的淀粉水解成短链低聚糖和葡萄糖；并通过正交实验确定了糖化酶的最佳水解条件，以百合水解液研制百合体力补充饮料，并确定了饮料的配方。

It was established determine method of lipase synthetic activity in organic media.

实验确定了测定脂肪酶有机相合成酶活的方法。

Our group has developed a GDEPT system that uses the bacterial enzyme carboxypeptidase G2 to convert nitrogen mustard prodrugs into potent DNA crosslinking agents, and a clinical trial of this system is pending.

我们研究组发展出了一个GDEPT系统，其可以使用细菌酶羧肽酶G2来将氮芥前药转化成有效的DNA交联剂，而针对该系统的一个临床试验也即将开展。

It is this catalytic efficient of enzymes at low temperature which makes them important to the food scientism.

正是酶的这种在较低温度下的催化效果，使得酶成了食品科学家手里非常重要的法宝。

Second, by analyzing the influence of theenzymedosage, reactionary time, temperature, PH and so on. We can make deeplyunderstand of the reactionary dynamics of enzyme, then make sure the best reaction condition,and set down reasonable techincs to distill high-purity soybean fibre from bean dregs, thenanalyze its structure and character to make theca.

通过分析酶加量、酶作用时间、温度、PH值等因素的影响，深入了解酶的反应动力学，从而确定其最佳反应条件，制定合理的工艺，从豆渣中提取高纯度的膳食纤维，并分析其结构和性质，使之成膜。

Second, by analyzing the influence of the enzyme'dosage, reactionary time, temperature, PH and so on. We can make deeply understand of the reactionary dynamics of enzyme, then make sure the best reaction condition, and set down reasonable techincs to distill high-purity soybean fibre from bean dregs, then analyze its structure and character to make theca.

通过分析酶加量、酶作用时间、温度、PH值等因素的影响，深入了解酶的反应动力学，从而确定其最佳反应条件，制定合理的工艺，从豆渣中提取高纯度的膳食纤维，并分析其结构和性质，使之成膜。

The results showed that there was a distinctly different effect on urease activity by the three different herbicides.

脲酶在尿素转化过程中起关键作用，当尿素施人土壤后，在脲酶的催化作用下，迅速分解成COz和NH。。

Assisted by DNA2.0 and Gene2Oliga software, we optimized the codon usage and secondary structure of RNA and induced enzyme sites Cla I (237 site) and Pst I (475 site) into the gene. In the first step, fragments F1 (237 bp), F2 (238 bp) and F3 (422 bp) were separately synthesized by assembly PCR. In the second step, fragments F1, F2 and F3 were separately digested by Cla I and Pst I, and then ligated into a full length lipA gene.

首先在DNA2.0和Gene2Oliga软件辅助下对lipA基因密码子及RNA二级结构进行优化并引入Cla I(237位)和Pst I(475位)酶切位点；通过组装PCR分别合成lipA基因的各片段F1(237 bp)、F2(238 bp)和F3(422 bp)；通过该基因内的Cla I和Pst I限制性酶切位点连接成完整的全长lipA基因。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。