查询词典 addition-compound

The active compound Celangulin-V, which is the main active compound against insect pest from Celastrus angulatus Max, was modified at its 6-OH and the core structure β-dihydroagarofuran polyol of Celangulins from the basic hydrolysis of the extract of the root bark of Celastrus angulatus Max was modified by combinatorial chemical method.

主要结果如下： 1、合成了苦皮藤素V6-乙酯、6-烯丙基醚和6-酮等衍生物，通过NMR方法鉴定了化合物的结构，经文献检索均为新化合物，生测结果表明酮衍生物丧失了杀虫活性，乙酯衍生物与苦皮藤素V活性相当，醚衍生物较苦皮藤素V活性提高11倍。

Organic and compound cation garrulous coagulates the agent is to use chemical law compound a kind of new-style cation garrulous coagulates agent, belong to domestic and international initiate, with other and groovy drug photograph comparing has 5 big advantages: The photograph such as aluminium of as aggregate as commonly used drug chloridize, aggregate and vitriolic iron, vitriolic aluminium is compared, coagulate with garrulous of polypropylene acyl amine the agent is used jointly, medical dose is little, reduce useless water treatment to expend about 20 ％ thereby, 30 ％; Effect of processing liquid waste is good, garrulous is round settling speed is fast, make liquid waste can second birth is used, managing water natural resources; Its garrulous group is sedimentary filterability can be good, slime can reclaim inside entire plant, namely energy-saving be helpful for protecting an environment again; Corrode to equipment small; Have muti_function, have agglomeration effect already, again garrulous coagulates action and the action that aid filter, can serve as filter aid.内容来自www.ch-water.com

有机复合阳离子絮凝(使液体中悬浮微粒集聚变大或形成絮团，从而加快粒子聚沉，达到固-液分离的过程)剂是利用化学法合成的一种新型阳离子絮凝(使液体中悬浮微粒集聚变大或形成絮团，从而加快粒子聚沉，达到固-液分离的过程)剂，属国内外首创，与其他常规药剂相比具有五大优点：与常用药剂聚合氯化铝、聚合硫酸铁、硫酸铝等相比，与聚丙烯酰胺类絮凝(使液体中悬浮微粒集聚变大或形成絮团，从而加快粒子聚沉，达到固-液分离的过程)剂联合使用，药剂量少，从而降低废水处理(通过物化方法去除水中一些物质的过程)费约20％—30％；处理废水效果好，絮团沉降速度快，使废水能再生利用，节约水资源；其絮团沉渣过滤性能好，煤泥可全部厂内回收，即节能又有利于保护环境；对设备腐蚀小；具有多功能，既有凝聚作用，又有絮凝(使液体中悬浮微粒集聚变大或形成絮团，从而加快粒子聚沉，达到固-液分离的过程)作用和助滤作用，可作为助滤剂。

The fact that wastewater has higher chromaticity removal efficiency in acid medium than in basic medium indicates that H+ ions play an important role in chromaticity removal ,possibly by a mechanism of deoxidation in which H+ ionsreact with the organic compound of pollutants in wastewater and cause the chain rupture of chromophoric or anxochromic groups from the organic compound molecules.

事实已经废水色度去除效率高，比在酸性介质中显示基本氢离子色度去除起到了重要作用，可能的机制脱氧其中氢离子的反应有机化合物废水和污染物链条断裂造成anxochromic色或团体从有机化合物分子。

The whole curve appears near S shape curve which revealed that the compound eyes of green lacewinng have strong adapting ability to light stimuli.4 Relation of the dark-adapted time and ERG value indicates that time of day eyes turning to night eyes is not similar in different kind of species. The turn of compound eye from day eyes to night eyes need about 120min in Chrysopa sinica Tjedar,, but is not accord to in different unit the other two species.

以ERG值为指标，在—定时间内，暗适应时间长短影响草蛉复眼的ERG振幅的大小，不同种革蛉其ERG值达稳定所需时间是不—致的，中华草蛉一般都需要120m，ERG值才能达到稳定，而大草蛉、丽草蛉不同个体ERG值达到稳定的时间不完全一致，大草蛉ERG值一般需60-90m达稳定，个别在120m左右达稳定，丽草蛉ERG值一般在60m左右达到稳定。

ABSTRACT Objective: We found an active compound in Styela clava Hedman, during separation and screening of marine life. This compound is a sterol, it possess reduction and stronger Oxidation. It shows very strong anti-hepatitis B vires activities in vitro.

目的： 在进行海洋生物活性物质分离筛选的过程中，我们发现柄海鞘中的一个具有很高药用价值的活性物质—海鞘醇，这是一个既具有还原性有具有较强氧化性的甾醇类有机化合物，实验表明它具有极高的对抗乙型肝炎病毒的体外活性。

Methods 120 patients,who suffer from CHB,were divided into two groups randomly. The treatment group (60 cases) were given compound diisopropylamine dichloroacetate (80 mg/day) combined with salviae miltiorrhizae composita (20 mL/day), and control group (60 cases) were only given compound diisopropylamine dichloroacetate (80mg/day).

将120 例慢性乙型肝炎患者治疗组60 例，给予甘乐注射液80 mg加入5%葡萄糖注射液250 mL中静脉滴注，丹参注射液20 mL 加入5%葡萄糖注射液250 mL 静脉滴注，均1次/d；对照组60 例，给予甘乐注射液，剂量、疗法同治疗组，两组药物在治疗20 天后改为口服，疗程均为6 月。

Two synthetic routes of Caffeine have been determined and investigated after the analyzing and trying for the literal synthetic methods. In one route, the target compound was prepared from chloroacetyl chloride through six steps, the total yield is 50.5 %. In another route, the target compound was obtained from cyanoacetic acid through six steps, the total yield is 45%.

对目前咖啡因工业生产工艺进行了研究，并分析了咖啡因工业生产中所存在的问题，本文提出两条可行的工业化合成路线：一条是以氯乙酰氯为起始原料，经过六步反应制得目标化合物，总收率50.5％；另一条是以氰基乙酸为起始原料经过六步反应制得目标化合物，总收率45％。

The enterprise survey :Changzhou Danli Material Of Macromolecule CO. LTD,Shanghai Danli Paper Industry CO. LTD, Changzhou New Danli Import And ExportCO. LTD, Changzhou Jinfu Compound Material CO. LTD.,lies in the south ofChangzhou ,Jiangsu province , down of the Yangtze River , built at 1993.Itsthe Association Of China Paper Lives. And this is a compound company which isengaged in the production, management and trade, import and export .We have more than 150 workers now, besides 8 senior engineers, 15

常州市丹利高分子材料有限公司常州丹利高分子材料有限公司，上海丹利纸业有限公司，常州新丹利进出口有限公司，常州金富复合材料有限公司，位于长江中下游地区，江苏省常州市南郊，公司创建于1993年，（原常州市唯爽卫生用品有限公司），是中国生活用纸协会会员单位，为集生产，经贸，进出口为一体的复合型企业。

The codA gene encodes cytosine deaminase, which can deaminate nontoxic compound 5-fluorocytosine (5-FC) to the highly cytotoxic compound 5-fluorouracil (5-FU). 5-FU can influence the cells survival through interference with the synthesis metabolism of the RNA and DNA.

codA基因在细菌体内编码胞嘧啶脱氨酶，CD能把对细胞无毒的5-氟胞嘧啶(5-FC)脱氨成为有毒的5-氟尿嘧啶(5-FU)。5-FU通过干扰RNA和DNA的合成代谢从而影响细胞的生存。

Flavonoid compound was isolated from SSB, and then the serum contained water decoct agent of SSB or flavonoid compound were prepared with mice.

从千里光中分离出黄酮类化合物，然后通过给小鼠灌胃制备千里光水浸液的含药血清和黄酮类化合物的含药血清。

Diabetes is a social disease that affects several million people worldwide.

糖尿病是一个社会性疾病，全世界有数百万人罹患此病。

I'll call you on Friday to see if we can reschedule our luncheon meeting at your convenience.

我星期五会给您打电话在您方便的时候我们重新安排我们的午餐约会。