氯硝酯 的英文怎麼說
中文拼音 [xiāozhǐ]
氯硝酯
英文
3-chloropropyleneglycol dinitrate-
P - nitryl chlorine benzyl formate
硝基氯甲酸芐酯O - nitryl chlorine phenyl formate
硝基氯甲酸苯酯In order to find replacer for metronidazole and drug selection. some diesters or esters of acids containing nitrogen with metronidazole were designed and synthesized, which have difference in water - solubility. metronidazole was reacted with the corresponding amino or imino multi - carboxylic acid compounds in the presence of acetic anhydride or thionyl chloride or dcc. the intermediate of nitrilotriacetic acid with ac
為尋找羥乙基甲硝唑的替代物,分別採用酸酐法酰氯法或dcc法,將氨基羧酸與羥乙基甲硝唑反應,得到5個親水性不同的單酯或二酯,用ms譜確證了次氨基三乙酸與乙酸酐反應的中間物,並對得到的酯的Is even ; single nitric acid different mountain ash ester ; salvia miltiorrhiza ; the ammonia chlorine is even ; gingko preparation ; low molecular heparin
-尼莫地平單硝酸異山梨酯丹參氨氯地平銀杏制劑低分子肝素Flumiclora - pentyl was prepared from p - fluorophenol as starting material via several steps such as chlorination, nitrification, reduction and condensation. the yield of the product was 50 %, and the purity was higher than 97 %
摘要以對氟苯酚為原料,首先與氯氣發生反應,生成2 -氟4 -氯苯酚,再經過硝化、還原、縮合等幾步反應得到氟胺草酯,反應總收率達到50 % ,產品純度大於97 % 。Methods : refers to gems / food recommends the monitor project, the shaoxing special food yellow wine, the dried vegetables, the preserved beancurd, the fragrant cake, the sauce duck carried on the lead, the arsenic, the cadmium, the organochlorines, the organic phosphorus, the pyrethrum, the synthetic colour, the sorbic acid, the benzoic acid, the nitrite monitor were determined
方法:參照建立全國食品污染物監測系統和全球食品污染物監測規劃( gems / food )中推薦監測項目,對紹興特產食品黃酒、乾菜、腐乳、香糕、醬鴨進行了鉛、砷、鎘、有機氯、有機磷、擬除蟲菊酯、合成色素、山梨酸、苯甲酸、亞硝酸鹽的監測。This gives huanyu most advantages in paint industry in china. huanyu is engaged in the environment protection at all times, for example, in the area of reuse of waste polymerisates, in the area of making aqueous paint to restrict voc let out. especially in the reuse of polymerisates, by degradation, the macromolecule become oligomer which can be used as materials in paint resin manufacturing, both pet flack, grain, silk, bottle, block appearance and ps espccially in bubble form be widely used in huanyu. besides, huanyu has been using waste pe, pvc, pp to make aqueous paint package, the output reached 1 million size 5 gallons in 2000
公司主要產品包括:醇酸硝基聚酯聚氨酯氨基環氧陰極電泳氯化橡膠丙烯酸苯乙烯瀝青內外墻乳膠漆等12大系列, 1000多個花色品種,年生產塗料油漆2 . 6萬噸,產品的各項性能指標均達到或超過國家標準,並先後榮獲「中國綠色建材產品」 「中國環保產品質量信得過重點品牌」 「山東省名牌產品」 「山東省技術監督局免檢產品」 「濰坊市技術監督局免檢產品」等榮譽稱號。Take removes in the water to have the slight pollutant as the goal activated charcoal surface modified direction is : the reduced surface lactone base and the carboxyl group and so on contain the oxygen functional group the content, increase activated charcoal surface sparse river characterthe modified activated charcoal in has a drink together in the water used adsorption treating processes, a weak basicity environment is good
我們研究了以濃硝酸、次氯酸和氨水去除水中三氯甲烷為主要目標表面改性活性炭吸附處理技術。立意方向為:減少表面內酯基及羧基等含氧官能團的含量,增加活性炭表面的疏水性。分享友人