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To decrease maufacture costs and improve the ratio of efficiency and outlay.The not exensive emulsifier, hydrophobe and other adminicle were mixed with self-made polyesters, siloxane-polyester copolymers to obtain defoamers which be better than imported.And the factors in the process of compound were studied particularly and systemically.the prime project is as follows:the siloxane-polyester copolymer is synthesized with PPG2000,PEG400,1% hydrogen-containing Polyhydrosiloxanes, hexane diacid,which mol ratio of materials is 7:3:6:5.emulsifying agents are SP-60 and tw-60,the value of HLB is 8.5.its dosage is 5%.the concentration of control- bubble resin is 5%. the concentration of liquid hydrocarbon A is 20%.

为进一步降低消泡剂的生产成本，提高其使用时的效费比，采用价格低廉的乳化剂、疏水剂及其他助剂与所制聚醚酯、有机硅改性聚醚酯进行复配，制取了性能优于进口产品的优质消泡剂；并对复配工艺各要素进行了详细、系统的研究；最佳配方为：PPG2000、PEG400、含氢量1%的硅油，己二酸以物质的量之比为7：3：6：5制成的有机硅改性聚醚酯，乳化剂选择SP-60/TW-60组合、HLB值为8.5、用量5%，抑泡树脂用量5%，液态烃A用量20%，液态烃B用量10%，疏水剂用量15%～20%。

RESULTS: It was found that LPA stimulated aortic adventitia to secrete ADM and express its mRNA in a concentration-dependent manner.

结果： 5、10、20 μmol/L的LPA呈浓度依赖性刺激血管外膜［3H］-TdR的掺入及ADM分泌，且高浓度和低浓度LPA均上调ADM 基因表达。

RESULTS: It was found that LPA stimulated aorlic adventitia to secrete ADM and express its mRNA in a concentration - dependent manner.

结果：5、10、20μmoL／L的LPA呈浓度依赖性刺激血管外膜[^3H]-TdR的掺入及ADM分泌，且高浓度和低浓度LPA均上调ADM基因表达。

In general, the amidation provides the desired amides in high yields using the insoluble base CaCO 3 , TBHP as an oxidant, and a mixture of CuI and AgIO 3 (1 mol %).

一般而言，提供酰胺酰胺在高收益预期使用中亚基地溶性三日tBHP作为氧化剂、混合、崔贴水3(1克分子%)。

The catalytic efficiency of 7a was the best when acetone was used as Aldol donor, and the Aldol products were obtained with up to 78% ee in the presence of 10 mol% 7a.

对丙酮与醛的反应，7a的催化效果最好，在10％催化剂存在下产物ee值高达78％。

The influence of reaction temperature and alkali solutions concentration on products is discussed.

分别用1，2和3 mol·L-1的NaOH溶液，在不同的温度条件下对坡缕石进行了侵蚀实验。

When the mol quantity of Cu2+ dissolved was 5% of those of AlCl3 in ionic liquids, alkylation results from ionic liquids is comparable with those obtained with concentrated sulfur acid: the yield of alkylate reaching 178% of the volume of butene inputted, the selectivity of C8 reaching 75% and the octane number of alkylate reaching 92.2.

溶入Cu2+和Cu+后，离子液体的催化性能有显著的改善，当Cu2+的摩尔加入量为三氯化铝的5%时，烷基化油收率达到丁烯体积的178%，对C8的选择性为75%，烷基化油辛烷值为92.2，并且离子液体可以重复使用。

The results showed that alkylation of benzene with ethanol occurred via stepwisemechanism.

结果表明，苯与乙醇的烷基化按照分步机理进行，速控步骤的活化能为170.34 kJ/mol。

At low HNO3 concentration and dilution factor above 2, 0.1 mol/L DCH18C6/1-octanol extracts very little americium,plutonium and uranium.The distribution ratios of Am、Pu and U increase with the increase of HNO3 concentration in aqueous phase,and decrease with increasing of dilution factor of HLLW.The distribution ratio of extraction of Pu increases with the increase of extractant concentration.

研究结果表明，在低硝酸浓度和较大稀释倍数情况下，DCH18C6对镅、钚、铀的萃取分配比都比较小，并随着水相硝酸浓度的增大而增大，随着模拟高放废液稀释倍数的增大而减小，提高萃取剂浓度会增大四价钚的萃取。

Compared with the wide type, the true photosynthetic of transgenic Anabaena enhanced 15.5%.

在光强为200μmol/m~2s 时，转基因藻的光合放氧量大于野生藻的放氧量，7120-G-CSF 和7120-489

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。