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The experimental conditions were optimized to produce following results: good linearity of sulfamethoxazole, norfloxacin, ciprofloxacin, ofloxacin and tetracycline in the range from 1.00 ng/L to 1 000 ng/L and the limits of quantification 1 ng/L, the good linearity of terramycin and aureomycin in the range from 10.0 ng/L to 2 000 ng/L and the LOQ 10 ng/L, the recoveries of deionized water and surface water from 72.1% to 112%, and the RSD from 0.6% to 9.2%.

摘要〗采用超高效液相色谱-电喷雾二级质谱联用技术同时测定水中7种抗生素，优化了试验条件。磺胺甲恶唑、诺氟沙星、环丙沙星、氧氟沙星、四环素在1.00 ng/L ～1 000 ng/L 范围内线性良好，定量下限为1 ng/L ，土霉素、金霉素在10.0 ng/L ～2 000 ng/L 范围内线性良好，定量下限为10 ng/L ，去离子水和地表水样加标回收率为72.1%～112%， RSD 为0.6%～9.2%。

A patent for fluorosilicic acid production by adsorption of silicon tetrafluoride with pressure water is described in the production of wet-process phosphoric acid or phosphate fertilizer.

介绍一种在湿法磷酸或磷肥生产过程中用水吸收四氟化硅制备氟硅酸的专利技术。

In the occurrence of arcs discharges, spark discharges and corona discharges, sulfur hexafluoride (SF6) would be decomposed to complicated byproducts such as carbon dioxide (CO2), carbon tetrafluoride (CF4), etc.

六氟化硫（SF6）气体在电弧、电火花和电晕放电的作用下会发生分解，产生二氧化碳（CO2）、四氟化碳（CF4）等分解产物。

This paper introduced physical and chemical properties of polyvinylidene fluoride,with good thermoplasticity,which provided diversitied usages.

主要介绍聚偏二氟乙烯———一种具有多种用途的热塑性氟塑料，由于独特的结晶形态和介电性能而具有良好的耐化学腐蚀性。

The study was performed as follows:1culture of pathogenic fungi and fungus identification in 110 cases.2antifungal susceptibility test with Etest strip by ketoconazole,itraconazole,Fluconazole,Fluorocytosine,and amphotericinumB.3Topical application of doktarin ps cream,ketoconazole cream,clotrimazole ung,and thymol alcohol were performed in 4 groups and the intermittent impulsive treatment in who failed to respond to local treatment were performed too.

①从325例本病患者中随机选出的110例进行真菌培养及菌种鉴定。②用Etest技术，以酮康唑、伊曲康唑、氟康唑、氟胞嘧啶及二性霉素B5种药物试条进行药敏测试。③将325例患者随机分4组，分别用复方达克宁霜、酮康唑霜、克霉唑软膏及麝香草酚酒精作局部治疗；对局部治疗无效的30例，用IT作间歇冲击治疗。

This paper presents the development and the actual state of nitrogen trifluoride in China,analyzed the market of nitrogen trifluoride and give the advice.

综述了我国三氟化氮的发展和现状，分析了市场形势，并提出了三氟化氮今后发展的对策。

For purification of nitrogen trifluoride(NF3) which is used as a plasma etchant and cleaning gas for chemical vapor deposition chambers, a few purification methods and equipments may be chosen according to difference in boiling points and physico-chemical properties of NF3 and its impurities.

三氟化氮作为等离子蚀刻剂和化学气相沉积室的清洗气体，可根据粗三氟化氮气体中各组分的沸点及物理、化学性质的差异选择不同的纯化工艺及设备。

Treat each flask as follows. Add 5.0 mL of a solution prepared by dissolving 14 g of boron trifluoride in methanol to make 100 mL, swirl to mix, and reflux for 15 minutes or until the solid is dissolved.

在每一个锥形瓶中，加5.0mL三氟化硼溶液（取14g三氟化硼，用甲醇溶解并稀释至100ml），搅拌使混合，回流15分钟或直至固体物溶解。

The dissipation rate constants of malathion and methyl parathion with a concentration of 3mg/L and ethion, dicofol and cyhalothrin with a concentration of 0.5mg/L in 2000ml of 55-60g canna planted water sulution were respectively increased by 77. 66％, 117. 44％, 64. 80％, 38. 11％ and 15. 35％ compared to those in unplanted water solutions.

与不种植植物的对照相比，50-60g美人蕉对2000ml分别含有3mg/L的马拉硫磷、甲基对硫磷及0.5mg/L乙硫磷、三氯杀螨醇和三氟氯氰菊酯培养液中的马拉硫磷、甲基对硫磷、乙硫磷、三氯杀螨醇和三氟氯氰菊酯的消解速率依次分别提高了77.66％、117.44％、64.80％、38.11％和15.35％。

In SGC-7901 cells, 5-Fu can interfere with the DNA synthesis and result in the reduction of the DNA content. Besides, it can affect the unsaturation degree of the hydrocarbon chains and alter the external environment of guanine and adenine residues in cancer cells.

这说明5-氟尿嘧啶可以影响DNA的复制合成，降低胃癌细胞中DNA的含量，并且影响癌细胞中脂肪酸链的饱和度以及鸟嘌呤和腺嘌呤的外环境，正常细胞拉曼谱的改变说明5-氟尿嘧啶存在一定的副作用。

The labia have now been sutured together almost completely.The drains and the Foley catheter come out at the top.

此刻阴唇已经几乎完全的缝在一起了，排除多余淤血体液的管子和Foley导管从顶端冒出来。

To get the business done, I suggest we split the difference in price.

为了做成这笔生意，我建议我们在价格上大家各让一半。