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The preparation process of self-holing polyimide with organosilicon block includes the following steps: 1 the first reaction of polyacid anhydride in functionality not lower than 2, silicon oil with 2 or more amino or imino groups and polyamine with 2 or more amino groups, and the second reaction with one or several kinds of added isocyanate with 2 or more isocyanate radicals to produce sol of polyamido acid containing organosilicon block; 2 solidifying the sol to obtain solid polyamido acid containing organosilicon block; and 3 imidonating the solid to obtain self-holing polyimide with organosilicon block.

本发明公开了一种有机硅嵌段自发孔聚酰亚胺的制备方法，该方法包括以下步骤：(1)有机溶剂中具有大于或者等于2的酸酐官能团度的多酸酐与具有大于或者等于2的胺基或亚胺基的硅油以及具有大于或者等于2的胺基的多胺反应，随后添加一种或多种具有含有等于或者大于2个异氰酸酯基的异氰酸酯反应，生成含有机硅嵌段聚酰胺酸的溶胶。(2)溶胶固化制成有机硅嵌段聚酰胺酸固体。(3)固体亚胺化，即得有机硅嵌段自发孔聚酰亚胺。

On the 10th ,20th ,30th,40th and 50th day, cut the tail of each mouse to make blood smears, stained the smears by Wrights method, and counted the erythrocyte containing HowellJolly bodies, or containing basophilic stipplings, or showing polychromatophilia, or showing hypochromic.

昆明种成年雄性小鼠15只，随机分成两组，实验组10只饮用2g/L硝酸铅溶液(1251mgPb2+/L)染毒，共50d。每10d切尾涂片一次，分别镜检计数含HowellJolly小体RBC，嗜碱性点彩RBC，嗜多色性RBC及低色素性RBC的出现率。

According to the invention, a base polymer which is produced on the basis of a monomer including up to at least 50 % neutralised acid groups is mixed with a first aqueous solution containing at least one surface secondary crosslinker and with a second aqueous solution containing at least one polyvalent cation, and is thermally treated.

根据本发明，使基质聚合物与含有至少一种表面二次交联剂的第一水溶液和含有至少一种多价阳离子的第二水溶液混合，并热处理，其中所述基质聚合物基于含有至少50％中和的酸官能团的单体而制备。

It includes three new chapters on ferrocene-based polymers, other phosphorous-containing polymers, and boron containing polymers; inorganic-organic hybrid composites; and preceramic inorganic polymers and provides a useful reference for both professionals and students.

它在基於ferrocene的聚合物，其他亚磷包含的聚合物和硼包含聚合物上包括3 新章；无生物有机的混合的混合物；并且无生物的preceramic 聚合物和提供有用参考适合专业人士和学生。

The contraceptives containing both the hormones are more effective than that of containing progestin only.

避孕药含的激素是更有效地比只含孕。

Containing a greater proportion of alcohol than proof spirit, especially containing more than50 percent alcohol by volume.

超标准酒精度的所含酒精超过标准度数的，尤指含酒精容量超过50％的

On the other hand, 3(2)-fluoro-4-methoxyl methyl benzyl alcohol and 3(2)-fluoro-4-methyl benzyl alcohol are mixture and components of pyrethrum esters. Both of them have "mixture fluorine effect " and higher activity, lower drug resistance. As we know, the mixture benzyl alcohol containing fluorine is more easy to be synthesized than the single, so the cost of preparation is lower. We hope to apply it to molecule design of the new agriculture chemical. On the base of molecule design and structure-activity relationship research of pyrethric acid II and mixture of alcohol containing fluorine, we intend to get new pyrethrum ester that have higher activity and lower resistance.

另一方面，混合含氟对甲氧甲基苄醇和混合含氟对甲苄醇都是具有"混合氟效应"的高活性、低抗性的拟除虫菊酯醇组分，由于混合含氟醇的合成要比单一异构体的合成容易，成本较低，本文希望将其应用到新农药的分子设计中，用第二菊酸和一些含氟醇进行分子设计及进一步的构效关系的研究，筛选出一些高活性低抗性的拟除虫菊酯换代新品种。

In conclusion, on the basis of analysis structure for ternary system to quinary system containing TiO_2, mass action concentrations model are established, according to coexistence theory. Comparing calculated values with measured data, the results present that coexistence theory could be applied to slag containing Ti.

总之，在对含TiO_2的三元至五元典型渣系的基本结构单元进行分析的基础上，根据分子离子共存理论建立渣中组元作用浓度计算模型，并将计算结果与文献中的实测值进行了对比，表明共存理论应用于含钛炉渣的组元作用浓度是可行的。

A sol containing SiO_2 particles was prepared by the base catalyzed hydrolysis and polycondensation of tetraethoxysilane through sol-gel process. A solution containing double-chain polymer of methyltriethoxysilane was also prepared under acid condition, as the introducer of water repellence.

通过溶胶-凝胶法，在碱性条件下水解缩聚正硅酸乙酯获得含有SiO2颗粒的溶胶；以甲基三乙氧基硅烷在酸性条件下水解缩聚获得双链聚合物溶液，作为疏水基团的引入剂。

Aureus secretor strain in a media containing vegetarian amino acids or peptides instead of animal peptides, harvesting the Protein A-containing media and purifying the Protein A by applying it to a synthetic resin that lacks animal peptides and filtering the elutant from the resin.

本发明涉及制备没有动物源产物污染的蛋白A的方法，其包括通过在含有植物氨基酸或肽代替动物肽的培养基中发酵金黄色葡萄球菌分泌菌株，收集含有蛋白A的培养基和纯化蛋白A，并且将其施加到没有动物肽的合成树脂上和过滤来自树脂的洗脱液。

There are different types of personal loans available.

有许多不同类型的个人贷款优惠。

The above mentioned teaching model of spiral rising can be used to avoid rigidness in teaching.

上述螺旋式上升的教学模式，可以避免教学形成模式後的僵化现象。