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The results showed that in this experiment condition the optimal preparation condition for TiO2 films which have better photoactivity was found to be: TiO2 sol concentration 0.7mol/l, the amount of PEG 0.5g, coating cycles 3, heat-treated terms 480 C, Ih.

研究结果表明：在本实验条件下，具有较好光催化活性的TiO_2薄膜的最佳制备条件为：TiO_2溶胶的浓度为0.7mol／1，聚乙二醇的加入量为0.5g，镀膜层数为3，热处理温度为480℃，保温1h。

The preparation of the membrane is that the phthalazine polyether-sulfone-ketone polymer is mixed with chloroform, Ethanol or butanol according to certain quality proportion; after the magnetic stirring, the evenly mixed casting solution is obtained, filtered and carried out with vacuum deaeration; The casting solution is scraped into membrane of certain thickness on the non-woven fabric by adopting the scraper; the membrane is standed for 24 hours in the air of certain humidity and temperature to obtain the plate ultrafiltration membrane of phthalazine polyether-sulfone-ketone.

本发明公开了属于高分子膜分离技术领域的一种二氮杂萘聚醚砜酮类聚合物平板超滤膜的制备方法，所述膜的制备方法为：用二氮杂萘聚醚砜酮类聚合物与氯仿、无水乙醇或正丁醇按照一定的质量比混合，磁力搅拌后得到混合均匀的铸膜液，过滤并真空脱泡；将铸膜液采用刮刀在无纺布上刮制成一定厚度的膜，该膜在一定湿度和温度的空气中静置24h后即得到二氮杂萘聚醚砜酮类平板超滤膜。

objective to discuss the nursing methods of acute postrenal renal calculus obstruction through ureteroscope.methods the preoperative and postorerative aborative nursing in 22 cases of patients with ureter calculus who were treated by emergency ureteroscope were analyzed retrospectively.results all patients became well and renal function was improved quickly after operation,after the timely treatment and nursing,none patients occured the serious complication.conclusion timely and right preoperative preparation,mental nursing and postoperative nursing were essential for the success of operation.

目的 讨论经尿道输尿管镜治疗急性肾后结石梗阻的护理方法。方法对22名患者进行急诊经尿道输尿管镜，治疗上尿路结石的术前、术后精心护理的回顾分析。结果所有患者顺利接受手术，术后患者全身状况、肾功能快速恢复，并发症得到及时治疗和护理，无一例发生严重并发症。结论及时准确的术前准备、心理护理、术后护理、是保证手术成功的重要保障。

With regard to the direct influence on the morality, the school is involved in premoral training, which is not with morality but rather with the preparation of the person for moral education.

他认为学校道德教育是一种&前道德&训练工作，对学生道德发展的作用是间接的，主要通过学生知识准备、思维能力健全发展、启迪和强化理性实现。

Resolution of racemic drugs by lipase catalysis offers an excellent technology for the preparation of single-isomer chiral drugs in organic solvent.

在有机相中，脂肪酶催化消旋体的拆分，为制备单异构体手性药物提供了重要的技术手段。

The preparation process for methacrolein and methyl methacrylate by oxidation method was studied in a fixed-bed reactor and a slurry reactor respectively with raffinate C4 fractions by-product of ethylene plant as raw materials.

以乙烯装置副产的抽余C4馏分为原料，分别在固定床反应器和浆态床反应器上考察了甲基丙烯醛和甲基丙烯酸甲酯的氧化法制备工艺。

Beijing reprehensive office preparation work is mainly in charge of the promotion of the airline service college, the marketingorganization of the international education exhibition. at the same time, it is responsible for the reception of the college leaders' business visit to chinathe exchange of international studentsthe teachers of the colleges which belong to china education office.

北京办事处主要负责航空服务学院在华宣传和招生推广工作，市场策划及组织大型国际教育展会，同时将负责学校相关领导的来华商务访问与中国教育部的部委直属院校进行国际学生交流和教师互换。

In order to seek the effective method for removing the residua on glass instruments, the composition of residua during the preparation of aniline was investigated.

通过对制取苯胺后仪器残留物的成分及其成因分析，寻找清洗残留物的最佳方法。

Matching with the walking tractor this machine is suitable to the natural conditions and agronomic requirements such as higher ridge furrow, etc. to complete ridging, land preparation, film spreading, fertilizing in the areas for planting.

与手扶拖拉机配套、适应较高垄畦等自然条件和农艺要求、在种植领域能完成起垄、整地、铺膜、施肥机械化作业的机器。

Cultivation soil preparation total principle is break up in order to plough (tractor-ploughing) or avoid less agrarian for the foundation, rake, Mo , pressure, ridging ridging plough, ditch, make the work look tie such as farmland, master appropriate correctly opportunity of exercise of agrarian, appropriate make smooth with a raking, reduce cultivation charge and the sources of energy to use up accomplish reasonable cultivation, assure exercise quality.

耕作整地总的原则是以耕翻或少免耕为基础，耙、耱、压、起垄、开沟、做畦等作业相结合，正确把握宜耕、宜耙作业时机，减少耕作费用和能源消耗做到合理耕作，保证作业质量。

As she looked at Warrington's manly face, and dark, melancholy eyes, she had settled in her mind that he must have been the victim of an unhappy attachment.

每逢看到沃林顿那刚毅的脸，那乌黑、忧郁的眼睛，她便会相信，他一定作过不幸的爱情的受害者。

Maybe they'll disappear into a pothole.

也许他们将在壶穴里消失