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The effect of glass transition temperature on amount of coalescing agent and mechanic capability of film was also researched. At a Tg of 45℃, the amount of self-crosslinking coalescent GAN was preferably 10% and the amount of metal self-crosslinking coalescent was preferably 16%.

另外我们还研究了Tg对成膜助剂量的影响与Tg对乳液涂膜的机械性质的影响，Tg为45℃的乳液，在较低的室温下GAN自交联乳液成膜助剂的用量为10％，而金属自交联乳液的成膜助剂的用量要在16％左右。

Inspected gathered in advance the body preparation method influence, the neutralizaing agent triethylamine to the disperser craft and the stability of emulsion influence, the water affinity chain extendor DMPA amount used to the river character polyurethane emulsion performance influence, the isocyanogen diethylene glycol dinitrate amount used to the river character polyurethane emulsion performance influence and the soft section low-molecular polymer dihydroxy alcohol amount used to the river character polyurethane emulsion performance influence.

考察了预聚体制备方法的影响，中和剂三乙胺对分散工艺及乳液稳定性的影响，亲水扩链剂DMPA的用量对水性聚氨酯乳液性能的影响，异氰酸酯的用量对水性聚氨酯乳液性能的影响及软段低聚物二元醇的用量对水性聚氨酯乳液性能的影响。

The results showed that when 0.3 g of divinyl benzene was used as crosslinking agent, the crosslinking degree increased significantly from 28.26% to 90.95% with the increase of MAA amount from 4.0 mol% to 10.0 mol%, and this increase became slowly as MAA amount was more than 10.0 mol%; the particle volume expansion was increased gradually as MAA amount increased, and reached a maximum of 42.1% when 12.0 mol% of MAA was used, and perfect porous morphology inside particles was observed even when the crosslinking degree reached 95.4% at 14.0 mol% of MAA.

结果表明：在交联剂二乙烯基苯用量一定(0.3 g)的条件下，随着MAA用量从4.0 mol%增加到 10.0 mol%，聚合物交联程度从28.26%迅速增大至90.95%，当其用量超过10.0 mol%后 P x增大趋势变缓；随着MAA用量的增加，处理后胶粒体积膨胀百分率逐渐增大，在MAA用量为12.0 mol%时Δ V 达到42.1%的最大值，当MAA用量增大到14.0 mol%时，尽管 P x高达95.44%，胶粒仍具有完好的孔状结构。

Results showed that the monomer conversion increased slightly in the presence of the crosslinking agents The size of particles decreased slowh as the amount of cmsslinking agent increased.and the size distribution of the particles broadened at a higher amount of cmsslinking agent Divinyl benzene was more effective than ethyl glycol dimethyl methacrylate to make polymer crosslinked.During alkali treatment process,void latex particles can be obtained when no DVB or less than 0.5 wt％ of EGDMA was used,while muhihollow structure was generated when DVB or more than 1.0 wt％ of EGDMA was introduced.The volume expansion of the particles decreased with increasing the amount of emsslinkirlg agents.

结果表明，体系中加入交联剂后，单体转化率都有不同程度的提高；随交联剂用量的增加，乳胶粒粒径略有减小，交联剂用量较高时，乳胶粒粒径分布加宽；二乙烯基苯的交联效率稍高于双甲基丙烯酸乙二醇酯；不加入交联剂及EGDMA用量低于0.5%时，处理后乳胶粒呈空腔结构，加入DVB及EGDMA用量高于1.0%时，处理后乳胶粒呈多孔结构，并且乳胶粒体积增量随交联剂用量的增加而减小。

The result of immobilization showed that hydrophile membranes were more advantageous than hydrophobe ones to act as immobilization carrier. Crosslinking organophosphorus hydrolase by glutaraldehyde on polyethersulfone membrane is a simple and practical immobilization method. An appropriate amount of bovine serum albumin and crosslinker is necessary to get a good result of immobilization. In the biodegradation of methyl-parathion through enzyme membrane reactor, the effect of immobilized enzyme amount, flow rate of peristaltic pump, pH of the feed, and the methyl-parathion concentration on biodegradation rate was studied. It was shown that the biodegradation rate increased with immobilized enzyme amount and substrate concentration. Biodegradation rate didn't increase when the folw rate of the peristaltic pump was larger than 7 ml/min.

然后，研究固定化酶降解甲基对硫磷，从不同材料的膜载体固定有机磷水解酶的比较中，发现亲水膜比疏水膜适合作固定化酶载体；在此基础上，将有机磷水解酶固定在聚醚砜微滤膜上，并制成酶膜生物反应器，用于降解甲基对硫磷；戊二醛化学交联法固定时，酶液与10%牛血清白蛋白溶液的比例在3：1~2：1，与交联剂的比例在7：2~7：4范围内，固定化效果较好，并发现牛血清白蛋白和膜载体有降低酶活损失的作用；将固定化的酶膜装于酶膜反应器降解甲基对硫磷，实验结果表明：反应器的降解速率与固定化酶量呈正比，也随底物浓度的增加而加快，当流速低时，降解速率随流速增大而加快，到7ml/min以上时，降解速率不随流速脑黾佣洌到獾淖畹团ǘ任？

The optimum reaction conditions were that the molar ratio of maleic anhydride and p-nitroaniline was 1.2:1, the volume ratio of toluene and DMF was 10:1, the amination temperature was 20~30℃ the cyclization temperature was 145~150℃ and the cyclization time was 6 h over; the amount of p-toluene sulfonic acid was 12% of total reactant mass, the amount of copper sulfate was 0.1~0.5% of total reactant mass, the amount of hydroquinol was 0.1% of total reactant mass.

得到的最佳工艺条件是：n：n为1.2：1，V：V为10：1；胺化反应温度为20~30℃，环化反应温度为140~150℃，环化反应时间为6h以上；对甲基苯磺酸用量为反应物总质量的1%~2%；硫酸铜用量为反应物总质量的0.1%~0.5%；对苯二酚用量为反应物总质量的0.1%。

The results showed that:to get a better adhesion effect,the application process is 2% of the amount,pH values greater than 12.2,borax amount controlled in the range of 2%～3% of the konjak gum amount;the meat scraps re-integrated into the original remains of the meat products processi...

结果表明：该粘合剂获得较佳粘合效果的应用工艺是其用量为2%，pH值范围为大于12.2，硼砂的用量控制在魔芋胶质量的2%～3%；将肉类下脚料重新整合成仍保持原肉块加工性状的产品，让肉类碎屑得以高效利用。

Seek advice from lucky data according to Ai Rui, chinese website amount achieved 1.919 million in July 2008, odd week visits what the user exceeds 5 ten million to have 8 independently; Of more than 1 ten million have 45; And amount of independent visit user also can amount to the website odd week that ranks 1000 300 thousand, accordingly, chinese network media grows end not only, and of unusually thick still shape " oxtail ".

根据艾瑞咨询提供的数据，2008年7月中国网站数量达到191.9万个，单周独立访问用户超过5千万的有8个；超过1千万的有45个；而排名1000位的网站单周独立访问用户数量也可达30万，因此，中国网络媒体不仅长尾，而且还是异常粗状的&牛尾&。

The result indicated that: the amount of the excess HF formed direct ratio to the yield of phosphorus pentafluoride and the optimum amount of the excess HF used is about 35%; the trickling rate of oleum shouldnt make the temperature of hexafluorophosphoric acid exceed 25 ℃ and the amount of oleum is 110% to 125% that of stoichiometry so that the content of phosphorus pentafluoride can be achieved 90%; the time and temperature of heating hexafluorophosphoric acid influenced both the yield and the content of phosphorus pentafluoride, and the optimum time should be about 30 minutes and the proper temperature was 148 to 153℃; when alcohol used asrefrigerant, the content of phosphorus pentafluoride was 94.03%, and the content can be up to 97.38%, provided that using liquid nitrogen as refrigerant.

通过实验发现，氟化氢用量与五氟化磷的产率成正比，最佳过量百分率宜在35％左右；发烟硫酸的滴加速度不能使中间产物温度大于25℃，发烟硫酸用量大于理论量10％～25％时，得到的五氟化磷纯度高于90％；六氟磷酸的加热温度对五氟化磷的产率和纯度均有影响，宜在148～153℃的范围内，加热时间应在30分钟左右；用工业酒精做冷凝介质得到的五氟化磷纯度最高只能到达94.03％，使用液氮做冷凝介质可以使五氟化磷的纯度达97.38％以上。

Results The optimum conditions for the extraction of Peucedanum praeruptorum Dunn was as follow: 80 % alcohol was used as solvent, and 8 times the amount of alcohol was added, the mixture was kept refluxing for 1.0 h for the first time; then 6 times the amount of alcohol was added and the mixture was kept refluxing for 0.5 h for the second time; Four times the amount of alcohol for 0.5 h for the last time.

结果 白花前胡的最佳提取工艺为用质量分数80 %的乙醇提取3次，提取时间分别为1.0、0.5、0.5 h，3次所用溶媒量分别为药材质量的8、6、4倍；按照筛选出的最佳工艺条件进行的3次重复性实验，测得浸膏中8-甲氧基补骨脂素含量质量分数为0.094 %，折合1 g生药中含量为0.171 2 mg，与预测值基本一致。

It inculcates justification before God on the ground of human merits.

它说明在上帝灌输在地上人类优点。

TH Leaguer has excellent Quality Control and Management System.

本公司具有完善的品管部门。