氟

A catalytic amount of Ln(OSO2CF3)3 affected the stereochemistry of-MOPMAM during radical polymerization: the polydispersities of the polymers prepared in the presence of the Lewis acid were broader than those without the Lewis acid and the absolute value of specific rotation decreased in a majority of solvents.

结果表明，在-MOPMAM的聚合反应中，加入稀土盐可观察到明显的效应：在大部分情况下，随着三氟甲磺酸稀土盐加入量的增加，聚合物分子量分布变宽，旋光度也有很大幅度的下降。

Absorbent cotton fibers were dissolved in trifluoroacetic acid,and then precipitated in the chitosan solution.

以三氟乙酸在无水条件下溶解脱脂棉纤维，在壳聚糖的醋酸溶液中析出。

The fluorine-containing polymer has an absorption coefficient of less than 4.0 mum- at a wavelength of 157 nm.

这些含氟聚合物的吸光系数在157纳米波长小于4.0μm -1 。

By the use of standard substance, a standard spectrum library was established for 10 drugs, metformin, ephedrine, pseudoephedrine, caffeine, phenformin, fenfluramine, indapamide, phenolphthalein, fluoxetine and sibutramine. The identification for illegally added drugs was performed by comparing the accordance of retention time and the three-grade mass spectrum with the standard spectrum library.

利用标准物质建立10种药物（二甲双胍、麻黄碱、伪麻黄碱、咖啡因、苯乙双胍、芬氟拉明、吲达帕胺、酚酞、氟西汀、西布曲明）标准谱库，通过与标准谱库保留时间和三级质谱图的比较对非法添加的药物进行定性鉴别。

Sensitivity results to ten antifungals showed that the frequent fungi were sensitive to amphotericin b, nystatin, econazaole, miconazole, clotrimazole, ketoconazole, flucytosine, itraconazole, fluconazole and griseofulvin.

常见真菌对常见抗真菌药物的敏感性由高到底依次为两性霉素b、制霉菌素、益康唑、克霉唑、酮康唑、咪康唑、5-氟胞嘧啶、伊曲康唑、氟康唑、灰黄霉素。

The overall incidence of complete treatmentfailure (rescue medication in PACU or nausea, vomiting, or retchingat any time point) was 28 of 46 (61%), 28 of 48 (58%), and 22of 47 (47%); and for treatment failure vomiting (rescue medicationin PACU or vomiting or retching at any time point) was 16 of46 (35%), 11 of 48 (23%), and 5 of 47 (11%), for the droperidol,dimenhydrinate, and combination groups, respectively (P = 0.007for droperidol versus combination).

氟哌利多组、晕海宁组和合用组各症状治疗失败（在 PACU 中解救药物治疗或在任何时点恶心、呕吐或作呕）的总发生率分别为28/46（61%）、28/48（58%）和22/47（47%），呕吐治疗失败（在 PACU 中解救药物治疗或在任何时点呕吐或干呕）的总发生率分别为16/46（35%）、11/48（23%）和5/47（11%）（氟哌利多组对比合用组 P ＝0.007）。

Preoperative administration of an oraldose of LA dimenhydrinate in combination with droperidol whencompared with droperidol alone effectively reduced the incidenceof vomiting but not nausea in women undergoing elective outpatientgynecologic laparoscopy.

术前给予一个口服剂量的 LA 晕海宁和氟哌利多合用与单用氟哌利多比较，有效降低择期门诊妇产科腹腔镜检查的女性呕吐的发生率。

The result shows that watersoluble fluorine has a positive correlation with pHvalue and organic matter,both have a level of extremely significance.

结果表明，土壤水溶性氟与土壤pH值和土壤有机质含量均呈极显著正相关。土壤水溶性氟与土壤中 01mm土粒含量呈显著负相关。

It indicates that the fluoride source is mainly from clay used as a binder, the fluoride level in B horizon is high.

氟源主要是拌煤粘土，其含氟量一般很高。

M Trifluoromethylacetophenone was synthesized by the reaction of acetic anhydride with the Grignard reagent of 3 bromo benzene prepared from trifluoromethylbenzene , in 40% overall yield.

以三氟甲基苯为原料，经过溴化、格氏反应后与乙酸酐反应合成间三氟甲基苯乙酮，总收率40%。

The basic concept of FOP can be summarized as to further optimize effective prescription according to the standard of curative effects and with the aid of modern science and technology and theories of traditional Chinese medicine.

其基本内涵可概括为：以确有疗效的中药复方为研究对象，以现代科学技术和传统中医药理论为技术支持，以该复方所治病证的药效响应为评价标准，以优化重组疗效更优的新复方为研究目的。

Ever since our world has been a world, native forests have been indiscriminately exploited by man.

自从我们的世界一直是世界原生森林被任意剥削人。