Covalent catalysis involves the substrate forming a transient covalent bond with residues in the active site or with a cofactor.
共价催化涉及底物与活性位点中的残基或与辅因子形成瞬时共价键。
You should check site statistics at least monthly if you have an active site.
如果你有一个活跃的站点，你至少应该每月都查看一下站点的统计表。
Preferably, the ligand does not bind to the active site of an endogenous target compound.
优选所述配体不结合内源靶化合物的活性部位。
A mechanism in which the active site of the enzyme does not change shape during catalysis.
一种在催化反应中酶活性位点形状不发生改变的机理。
The probably active site of the cross coupling reaction over nano Ni catalyst is investigated.
讨论了纳米镍催化偶联反应的可能活性位。
Location of the active site and relative differences in tissue distribution can also be important.
起效部位的位置和组织分布的相对差异性也可能很重要。
They also designed specific inhibitors (small molecules) which bind to the active site of human DDAH.
他们也设计了一个特殊的抑制物(小分子)，它可以结合在人类DDAH的活性位点上。
Irreversibly inhibits serine proteases by sulfonylation of the serine residue in the active site of the protease.
通过蛋白酶活性位点丝氨酸残基的磺酰化，不可逆的抑制丝氨酸蛋白酶。
So it was important from both practical and theoretical point of view to study the active site structure of prolidase.
研究脯氨肽酶活性中心的结构具有重要理论意义和潜在实用价值。
Objective: The main aim was to discuss the pain-relieving effects of active site of Psammosilene Tunicoides root (PTR).
目的：探讨金铁锁的镇痛作用及镇痛活性部位。
For instance, they might construct a compound that inhibits the active site of an enzyme crucial to viral reproduction.
举例来说，他们可以设计某个化合物，作用在病毒复制时不可或缺的酵素活性区，而加以抑制。
MMOH is the active site of MMO, its catalysis reaction mechanism mainly includes the activation of alkyl and oxygen molecule.
羟基化酶是其催化活性中心，它的催化机理的研究主要包括烷烃的活化和分子氧的活化这两个方面。
OBJECTIVE To ascertain the main active site of Pollen Typhae, Pollen Typhae Carbonisatus and Pollen Typhae Parch in effect of hemostasia.
目的确定生蒲黄、炒蒲黄、蒲黄炭止血作用主要活性部位。
Basic single-chain polypeptide that inhibits numerous serine proteases by binding to the active site of the enzyme, forming tight complexes.
基本的单链多肽，通过与酶的活性位点紧密结合形成复合物，抑制大多数的丝氨酸蛋白酶。
The lack of the sugar moiety could cause changes in the structure of the active site of the enzyme resulting in the observed modifications of the KMs.
去除糖基会使葡萄糖氧化酵素的活化位构造改变， 因而产生所观察到的KM值变化。
Oxo bridged polynuclear iron complex which serve as model compounds for the active site in metallic protein and enzymes has been studied for many years.
氧桥多核铁配合物作为一些金属蛋白和金属酶的模型化合物，得到了广泛的研究。
By the competition plotting with mixed-substrates, it was indicated that glycolate-oxidizing activity and glycerate-oxidizing activity of GO Shared the same active site.
进一步通过两底物竞争作图表明：菠菜叶片GO氧化甘油酸反应和氧化乙醇酸反应为同一活性中心所催化。
The strong acid is the active site for creaking para-diethylbenzene and ethylbenzene and it has little effect on p-isomer selectivity of disproportionation and isomerization.
强酸位是对二乙苯和乙苯裂化的活性中心，而对歧化和异构化反应生成对位异构体的选择性影响不大。
To explore the role of the bridged N atom for a possible proton transfer in the active site of hydrogenase, we tried to introduce a hydrogen bond into a couple of designed molecules.
为研究氢化酶活性中心氮桥结构中氮原子是否起到质子摆渡的作用，设计了在分子内引入氢键的结构。
The classification and active site structure of molecular of superoxide dismutase were introduced, and preparation technology and application of superoxide dismutases in medicine were elucidated.
本文介绍了超氧化物歧化酶的分类和活性中心分子结构，阐述了超氧化物歧化酶的制备工艺及其医学应用。
For one, it provides transparency around how active certain members are with the site, specifically around number of photos uploaded and number of paid downloads.
举个例，对于用户在网站上的活跃程度，尤其是上传图片张数以及付费下载次数，它是完全公开的。
And he claims that his own site has a very effective way of demonstrating a person's seriousness of intent, which involves promoting the profiles of those people who are most active on it.
他说他自己的网站能够非常有效的展示出用户是否态度严肃，即通过宣传网站上最活跃的那些人的资料。
Current news items take up the main part of the page while active (aka "popular") stories, weather, and site activity panels fill the sidebar.
时事内容占据了这个页面主要部分，而热门报道，天气和站点的活动面板则显示在右边栏中。
The workload is modeled after a very active IBM site and is "heavily update bound" (that is, it causes lots of disk writes).
这个工作负载以一个非常活跃的IBM站点为模型，并且更新速度非常快（即引起很多磁盘写操作）。
The social networking site that the company runs, QZone, now has 458.5 million active user accounts, nearly even with Facebook's vaunted half a billion users.
该公司运营的社交网站QZone现在也拥有4亿5850万个活跃帐户，与Facebook鼓吹的5亿用户人数几乎持平。
The challenge for Facebook's engineers has been to keep the site up and running smoothly in spite of handling close to half a billion active users.
Facebook工程师们面临的巨大挑战是保证一个近5亿活跃用户的网站一直稳定可靠地运行。
April is an active commenter at this site.
April是该网站上的活跃评论员。
The current top application on the site is Slide's Top Friends, with 2.5M active users.
现在站点上使用人数最多的程序是Slide的TopFriends，拥有超过两百五十万活跃用户（经常上线的用户）。
The current top application on the site is Slide's Top Friends, with 2.5M active users.
现在站点上使用人数最多的程序是Slide的TopFriends，拥有超过两百五十万活跃用户（经常上线的用户）。
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