查询词典 inhibitor

By analyzing and researching the corrosion resistant mechanism of adsorption typal acidification corrosion inhibitor, taking single equational experimental method, making use of mannich reaction and using the hydrochloric acid as catalyst and the ethyl alcohol absolute as solvent, the new acidification corrosion inhibitor HZ-1 is synthesed by formaldehyde、hypnone、aromatic amines in the present research of this thesis.

本文通过对吸附型酸液缓蚀剂缓蚀机理的分析和研究，利用单因素实验方法，采用曼尼希反应，以盐酸为催化剂，无水乙醇为溶剂，用甲醛、苯乙酮、芳香多胺合成了新型酸化缓蚀剂HZ-1。

A competitive inhibitor is usually structurally similar to the substrate, e.g. malonate is a competitive inhibitor of the enzyme succinate dehydrogenase.

与底物结构相似的物质能竞争性的与酶结合，从而使酶不能与底物结合而丧失其催化活性。

Objective To study the mechanism of neurocyte on inhibitor of nitric oxi-de synthase in the focal cerebral ischemic reperf us ion and the relationship between inhibitor of NOS and apoptosis especially.

目的 研究一氧化氮合酶抑制剂在局灶性脑缺血再灌流过程中对神经细胞的作用机理，特别是NOS抑制剂与细胞凋亡的关系。

These changes were prevented by genistein (a protein tyrosine kinase inhibitor) and antioxidant N-acetyl-L-cysteine, but promoted by sodium orthovanadate (a protein phosphatase inhibitor), which were administered to the SD rats 20 min before ischemia.

进一步的研究表明，缺血前20 min腹腔注射给药，然后缺血30 min，发现蛋白酪氨酸激酶抑制剂染料木黄酮和抗氧化剂N-乙酰半胱氨酸能显著地抑制核内STAT3的磷酸化水平及DNA结合活性的增加(磷酸化水平从2.3和2.5倍分别降为1.2和1.4倍， DNA结合活性则从2.8和3.7倍分别降为1.1和1.5倍)，而蛋白酪氨酸磷酸酶抑制剂矾酸钠则能明显地促进他们的增高(磷酸化水平从2.0倍增到3.4倍， DNA结合活性从3.1倍增为5.1倍)。

The results showed that the reaction was greatly inhibited by its two products, where 6-APA is the uncompetitive inhibitor, and phenylacetic acid the competitive inhibitor.

结果表明，该反应受到产物6-氨基青霉烷酸(6-APA)的非竞争性抑制和苯乙酸的竞争性抑制。

The paper reports the research concerned with the activity of the inhibitor, the duration of validity, and the kinetics of enzyme-catalyzed reactions of the soil urease inhibitor N - tiophosphoric triamide prepared by Dalian Institute of Light Industry .

本文报道的研究工作是关于大连轻工业学院合成的土壤尿素酶抑制剂正丁基硫代磷酰三胺的最佳研究浓度、有效期及酶促反应动力学。

This study is design and preparation of active peptide analogues of mung bean trypsin inhibitor Lys fragment, Trichosanthes trypsin inhibitor I, carcinoembryonic antigen peptide and aspartame using solid and liquid phase peptide synthesis methods.

多肽及较小的寡肽，在激素调控、细胞免疫、信息传递等生命活动中日益显示重要的生物功能。

Two analogues of Trichosanthes trypsin inhibitor I with the Cys14- Cys26 or Cys8- Cys20 disulfide bonds replaced by Tys or Phe and two negative control analogues substitution serine for cysteine at 14 and 26 or 8 and 20 positions were synthesized, respectively. The C14F-C26Y mutant had 1/140 inhibitory activity of native Trichosanthes trypsin inhibitor I to trypsin.

第二章是对天花粉胰蛋白酶抑制剂的两对二硫键的作用进行了研究，二硫键在蛋白质的折叠和功能中有重要的作用，芳香族氨基酸的芳环之间形成π-π共轭能否部分补偿二硫键的作用？

This study is design and preparation of active peptide analogues of mung bean trypsin inhibitor Lys fragment, Trichosanthes trypsin inhibitor I, carcinoembryonic antigen peptide and aspartame using solid and liquid phase peptide synthesis methods.

本论文研究活性多肽类似物的设计、制备和功能，分为四个部分，采用多肽固相和液相合成的方法，分别合成了活性多肽绿豆胰蛋白酶抑制剂 Lys片段长链16肽、天花粉胰蛋白酶抑制剂、癌胚抗原肽、甜味肽等一系列类似物，并测定了这些类似物的生物活性，有以下新的研究结果：1、furin酶抑制剂的设计、制备和功能；2、芳香氨基酸芳环之间的π-π共轭能部分补偿二硫键的作用；3、癌胚抗原肽Gly4被L-Pro替代可增加与HLA-A2分子的结合；4、肽键对甜味肽保持甜味是必须的。

The therapeutic effect of HYJDT on glomerulosclerosis was observed by way of five aspects:(1) Effect on renal tissue morphology;(2) Effect on urine protein and blood creatinine and blood uria nitrogen ;(3) Effect on superoxide dismutase and malonydialdehyde in reual cortex;(4) Effect on matrix metalloproteinase-9 (MMP-9) and tissue inhibitor of metalloproteinase-l (TIMP-1) in glomerulus;(5) Effect on MMP-9 mRNA and TIMP-lmRNA and type-1 plasminogen activator inhibitor (PAI-1) mRAN in glomerulus.

用药治疗12周取肾，HE、PAS染色，在光镜下观察肾组织形态学变化，并在透射电镜下观察肾小球超微结构的变化。用半自动生化分析仪检测肾皮质匀浆中SOD活力、MDA含量。用免疫组化技术检测肾小球中MMP-9、TIMP-1的蛋白表达，用原位杂交技术检测MMP-9mRNA、TIMP-lmRNA、PAI-lmRNA的基因表达。免疫组化和原位杂交结果，采用计算机图象分析系统测量各自的平均吸光度。所有的实验数据均用SAS6.12统计软件包进行统计学处理。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。