酸化的

Amyl cinnamate was synthesized from cinnamic acid and amyl alchol using tungstosilicic acid as catalyst.

以钨硅杂多酸为催化剂，通过桂皮酸和正戊醇酯化反应合成桂皮酸正戊酯，研究了各有关因素对桂皮酸酯化率的影响。

Caffeine - A derivative of coffee, is an efficient arouser of central nervous system capable to drive away fatigue, and improve renal circulation. Its stimulation on the cerebral cortex activates Neurotransmitter receptors in the cell membrane; the adenylyl cyclaseactivated on the other surface of the cell catalyzes Adenosine Triphosphate, forming Cyclic adenosine monophosphate, and thus set off series of bio-chemical reactions, like increase of passionate feel, prompt recovery from fatigue after working etc..

咖啡因—由于咖啡本身具有兴奋神经中枢，消除疲劳，增加肾脏血流量的作用，通过对大脑皮层的刺激，使神经递质作用于细胞膜受体，激活了膜另一侧的腺苷酸环化酶，被激活的腺苷酸环化酶催化三磷酸腺苷环化酶，被激活的腺苷酸环化酶催化三磷酸腺苷形成环磷酸腺苷，从而引起一系列生化反应，如增加愉快感和消除事后疲劳等。

The process of preparing sterilizing granule capable of generating chorine dioxide in one package includes the following steps: preparing activating agent; mixing inorganic salt and nickel acetate, re-crystallization, sieving and deactivation; sieving and deactivating solid acid; mixing with inorganic salt; mixing sodium chlorite and cobaltous chloride, re-crystallization, sieving and deactivation; and mixing the activating agent with sodium chlorite.

一种可发生二氧化氯的一元包装消毒颗粒制备方法，其特征是制备活化剂：将无机盐加入醋酸镍，经过重结晶后，筛分、钝化处理；将固体酸进行筛分、钝化处理；然后与无机盐进行混合；在亚氯酸钠中加入氯化亚钴后，经过重结晶、筛分、钝化处理；将上述活化剂和亚氯酸钠均匀混合即成。

Thecompositions of raw material and products were identified with GC-MS, the results indicatedthat the products were composed of (β-acryloxyl ethyl) esters of dihydropimaric acid anddehydrogenated abietic acid, and their relative amounts was consistent with the amount ofdihydropimaric acid and dehydrogenated abietic acid in the disproportionated rosin.

论文还采用GC-MS对原料和产物的组分进行了鉴别，结果表明酯化产物由二氢海松酸酯和脱氢枞酸酯组成，且其相对含量与歧化松香中二氢海松酸和脱氢枞酸组成基本一致。

In part one, the reactions of some active fluorine-containing compounds such as 2, 2-dihydropolyfluoroalkanoic acids and ethyl 2-hydropolyfluoroalkenoates were studied and various fluorine-containing heterocyclic compounds were synthesized. Using 2, 2-dihydropolyfluoroalkanoic acids as the starting material, 4-fluoroalkyl quinolin-2-ols, 2- [ -1-hydropolyfluoro-1-alkenyl] -4H-3, 1-benzoxazin-4-ones, 1-aryl -4, 9-dihydro-3-fluoro-alkyl-1H-pyrazo [3, 4-b] quinolin-4-ones, 5-fluoroalkyl-12H-quin olino [2, 1-b] quinazolin-12-ones, 4-fluoroalkyl-1, 3-dihydro-1, 5-benzodiazepin-2-ones and 4-fluoroalkyl-2H-pyrido [1, 2-a] pyrimidin-2-ones were synthesized through its condensation reaction with anilines, anthranilic acid, N'-aryl-o-aminobenzamides, o-nitro aniline, o-amino pyridine and their derivatives and the subsequent transformations. 5-Fluoroalkyl isoxazolidines, 3-fluoro-3-fluoroalkylisoxazolidino [4, 3-c] quinolin-4-ones, 3-fluoroalkylisoxazolino [4, 3-c] quinolin-4-ones and 2-aryl-3per fluoroacylindoles were synthesized by inter-and intramolecular 1, 3-dipolar cycloaddition of fluorine-containing olefins and nitrones.

第二部分，我们研究了α，α-二氟苄基卤类化合物的亚磺化脱卤反应、产物的转化及全氟烷基亚磺酸盐与芳环化合物的全氟烷基化反应，发现全氟苄基碘或溴及α，α一二氟苄基溴在保险粉等亚磺化脱卤试剂引发下可生成相应的亚磺酸盐；全氟苄基亚磺酸盐与氯气或溴反应可生成全氟苄基磺酰氯或磺酰溴；在烯烃存在下，全氟苄基碘则与烯烃发生加成反应，生成相应的1：1加成产物；在三价醋酸锰的作用下，部分芳香化合物如茴香醚，二甲氧基苯，吡啶，喹啉等可以和过量的全氟烷基亚磺酸盐发生双全氟烷基化反应，反应表现出一定的区域选择性，产率良好。

The methods of preserving eleostearic acid were studied, adopting content of eleostearic acid as index. Eleostearic acid was esterificated with BF3 in methanol. The content of eleostearic acid was determined by gas chromatography, and the structure is studied by infrared spectroscopy.

初步研究了桐油酸的保存方法，以α-桐油酸含量为指标，将桐油酸与三氟化硼－甲醇溶液进行甲醋化，采用气相色语法检测桐油酸含量，并用红外光语扫描结构。

Polyester polyol which was used for polyurethane hot melt adhesives was synthesized by the condensation polymerization of adipic acid and ethanediol, butanediol, hexanediol.

以己二酸、乙二醇、丁二醇、己二醇为原料进行酯化、缩聚反应，以钛酸丁酯为催化剂，采用阶梯式升温方式，合成了聚氨酯热熔胶用已二酸系聚酯多元醇；考察了醇酸摩尔比、催化剂种类和用量以及反应条件对酯化、缩聚反应的影响。

PartⅡThe mechanism elucidation about effects ofα-(2,3)/(2,6)sialic acid on the Cx43gap-junction functions.(1) Westernblotting experiment showed that the decrease of sialic acid didn\'t changethe Cx43 expression and its phospholation level.(2) Westernblotting experiment showed sialidase didn,t change the ZO-1 expression,IP and confocal experiment showed sialidase improved the interaction of Cx43 andZO-1.(3) Westernblotting experiment showed sialidase didn\'t change N-cadherin expression,IP and confocal experiment showed sialidase promoted the complex formation ofCx43 and N-Cadherin.(4)Sialidase could increase the ERK1/2 phospholation level,and enchanedintercellular homotypic adhesion,Immunofluorometric assay showed sialidase couldpromote the N-cadherin cluster on the membrance.

第二部分：α—(2，3)／(2，6)唾液酸对肿瘤细胞CX43间隙连接功能影响的机制研究1、Westernblotting结果表明降低细胞膜表面唾液酸并不改变Cx43的表达及其磷酸化水平：但Cx43连接斑形成增多；2、Westernblotting结果表明唾液酸酶作用后细胞ZO—1表达没有改变，IP及免疫荧光共定位结果表明唾液酸酶作用后促进了Cx43与ZO-1的结合；3、Westernblotting结果表明唾液酸酶作用后细胞N-cadherin表达没有改变，IP及免疫荧光共定位结果表明唾液酸酶作用后促进了Cx43与N-Cadherin复合物的形成；4、唾液酸酶作用后细胞内ERK1／2磷酸化水平明显增加，细胞间同质粘附增加，以及免疫荧光表明唾液酸降低后可促进N-cadherin的膜成簇。

The synthesis of dimethyl fumarate was studied from maleic anhydride and methanol with phospho molybdic acid as the catalyst and bromate as the isomerization catalyst by one-step in this short paper.

采用固体杂多酸磷钼酸为催化剂，溴酸盐为异构化剂，经顺酐一步合成了富马酸二甲酯，探讨了醇酐比、反应时间、催化剂的量、异构化剂的量以及异构化时间对合成DMF收率的影响，并确立了最佳反应条件。

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)。

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。