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Results Three kinds of veterinary drugs (erramycin,tetracycline,stilboestrol)were detected in the raw meat.The detection rate of terramycin was 5.13%,and the detection rate of stilboestrol and tetracycline was 2.56% and exceeded the national standards.However,aureomycin and hydroxymethyl tertbutyladrenergics were not detected.

结果 共检测出3种兽药(土霉素、四环素和己雌酚)残留,金霉素和盐酸克伦特罗未检出;检出率分别为土霉素5.13%,四环素、己雌酚为2.56%;残留量均超出中国相应标准。

By the experimental study we can get the ways of this polymerization craft which is that we can construct water-solution foam polymeric system with the help of the foaming agent, using AM and DMDAAC as monomers, and that we choice the oxide-reductive agent and ultraviolet light as compound initiation system, and that we proceed vacuate pretreating for Pharmaceuticals, and superinduce additive to prevent cross link in drying process which also can improve product water-solubility.

实验研究得出这种聚合工艺的具体方法为:以丙酰胺、二甲基二丙基氯化铵为单体,在起泡剂的帮助下,构建出水溶液泡沫聚合体系,引发体系则选用氧化—还原剂和紫外灯组成的复合引发体系引发反应,药品进行抽真空预处理,同时添加一定量的助剂防止产品在干燥过程中发生交联,改善产品水溶性。

Understand keto-enol tautomerism, reactivity of enolate ions.

A5 E3J3 了解酮-醇互变异构性,醇离子的反应性。

Terpene synthases is one of most important regulatory enzymes in biosynthetic pathway of terpenoids, specially in regulation of terpene biodiversity.

萜类合成酶是萜生物合成途径中的重要调控酶之一,特别是在萜化合物多样性的调控上具有重要作用。

The experimental results showed that under the reaction temperature of 80℃,using catalyst 5 % of the mass of turpentine,reaction time of 10 h,turpentine:solvent:assistant:water of 1∶1∶1∶2,the conversion ratio of 90 %,the selection of α-Terpineol production was 64.96 %,and ΔHφf,g and Sφg were estimated as well...

实验结果表明,在反应温度80℃,催化剂用量为松节油质量的5%,反应时间10 h,松节油∶溶剂∶助剂∶水为1∶1∶1∶2时,其α-蒎的转化率为90%,生成α-松油醇的选择性为64.96%。并对α-蒎和松油醇理想气体的△Hfφ,g、Sgφ进行了估算,为今后的理论研究提供了数据支持。

In chapter 2, concerning the chemistry of many kinds of olefin-coordinated alkoxycarbene iron complexes and their isomerized products previously synthesized by our group, we examined their thermolysis reactions and many novel thermolysis products were isolated.

第二章中,对于我们小组以往合成的各类烃配位的铁卡宾络合物及其异构化产物,为了研究其反应性能,我们从热解反应着手,研究了一系列烃配位的铁卡宾络合物及其异构化产物的热解反应,获得了一系列新奇的热解产物。

By the mechanism of the electrocyclic reaction, three groups of 4-hydroxy-2-cyclobutenones 4 were designed and synthesized to investigate their behaviors underthe thermolysis conditions Meanwhile, a new procedure for preparation of 2(5H)-furanone 5 Was discovered.

根据电环化反应机理,我们设计了三组不同类型的4-羟基-2-环丁酮(4)。通过对4-羟基-2-环丁酮(4)进行热解,发现了一种制备2(5H)-呋喃酮类化合物(5)的新方法。

By tracing the antifungal and antibacterial activities of the volatile oils, it is found that the major active site in fiuit oil of Litsea mollis is aldehydic fraction such as citral, the major active site in oil of Thymus quinquecostatus is phenolic fraction such as thymol and the major active site in ginger oil is high boiling-point terpenic constituents such as β-caryophyllene, eudesm-4 (14)-en-11-ol, et al.

通过抗菌活生追踪发现,毛叶木姜子果油的主要活性部位是醛类成分,如柠檬醛;地椒油的主要活性部位为酚类成分,如百里香酚;姜油的主要活性部位为"高沸点萜类组分",如β-丁香、4(14)-桉叶油醇-11等。

The mass transter can be enhanced ,when we introduce sulfuric acid and cuprous oxide into this system.The model is formed to describe the transference of the martial between the four phases: gas-liquid-liquid-gas, which can explain some problems. We analyze the dead of the catalyst, and make a conclusion that the surface of the catalyst is covered with some compounds such as bluestone, which lessen the activity points of the catalyst and debase the activity.

在SO_4~(2-)/ZrO_2-La_2O_3催化的反应系统中加入稀硫酸和氧化亚铜促进了异丁和一氧化碳的传质、使反应得以快速,高选择性的进行,异丁的转化率达95%以上,特戊酸的收率达47%;讨论了g-l-l-s传质过程;对催化剂作了失活分析,催化剂失活的原因是因为反应后的催化剂表面覆盖了一层硫酸盐,使催化剂的活性中心数减少,活性降低。

Using extensie MS, U, and NMR spectral analyses, the structure has been established as compound 1, aureoerticillactam, a 22-atom macrocyclic lactam incorporating both triene and tetraene conjugated olefins.

运用包括质谱、紫外及核磁共振的多种光谱分析,解析确定了该化合物1的结构,是一个含有共轭三和共轭四的22元环大环内酰胺。

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The labia have now been sutured together almost completely.The drains and the Foley catheter come out at the top.

此刻阴唇已经几乎完全的缝在一起了,排除多余淤血体液的管子和Foley导管从顶端冒出来。

To get the business done, I suggest we split the difference in price.

为了做成这笔生意,我建议我们在价格上大家各让一半。

After an hour and no pup, look for continued contractions and arching of the back with no pup as a sign of trouble.

一个小时后,并没有任何的PUP ,寻找继续收缩和拱的背面没有任何的PUP作为一个注册的麻烦。