脱硝

The waste acid was recovered from the raffinate with the active carbon as the decolorant at room temperature .

以正辛醇为萃取剂，通过三级萃取处理硝基C酸废水，萃余水相经过活性炭室温下脱色回收废酸。

The technology of biological nitrogen removal by nitrosification denitrification, which has been developing a few years, is the combination between the oxidation of ammonia and the deoxidation of nitrite.

亚硝酸型硝化反硝化生物脱氮技术是近年来发展起来的新型的生物脱氮技术，其实质是氨的氧化与亚硝氮的还原相偶联。

Benzoxazine compounds are one kind of highly active protoporhyrinogen oxidase inhibitors. These compounds can effectively control both monocotyledon weeds and dicotyledon weeds at lower dosage. The action mechanism is similar to p-nitro-o-substituted diphenylethers. They can result weeds albinism and decolorization, which are very important albinism herbicide.

苯并噁嗪类化合物是一类高活性的原卟啉原氧化酶抑制剂，低剂量可有效地防除禾本科与阔叶杂草，其作用机理和对硝基邻位取代的二苯醚类似，它们造成白化或脱色，是白化除草剂中较重要的种类，其活性远超过二苯醚除草剂，是目前化学农药研究领域的热点。

At present, the salt in dehalogenation, Glauber's salt extraction, sulfur money dehydration, caustic alkali salt Works of separation, separation of potassium chloride, from nitrocellulose acid, citric acid industry, such as solid-liquid separation applications are successful.

目前，已在制盐脱卤、芒硝提取、硫钱脱水、烧碱厂的碱盐分离、氯化钾分离、硝化棉脱酸、柠檬酸固液分离等行业均成功应用。

Methods Rabbits were administered by intravaginal amoxicillin and metronidazole solution, then the experimental vaginitis model were established by E. coli and Staphylococcus aureus, were treated with lactobacilli lysates, lactobacilli lysates in lower concentration, lactobacillus fermented broth, the probiotic lactobacillus and N. S for 7 days respectively. The variety in vaginal microecosystem were analysed and investigated.

用阿莫西林和甲硝唑接种家兔建立脱污染模型，再用大肠埃希菌和金黄色葡萄球菌的混合液接种，建立实验性感染模型后，随机分为5组，分别用乳杆菌裂解物原液、裂解物稀释液、发酵上清液、乳杆菌活菌制剂及生理盐水进行治疗，分析和考察阴道菌群变化。

Synthesis of target compounds namely: to vanillic acid as the starting material with methanol under reflux conditions for 4 - hydroxy -3 - p-methyl, then ether, and nitration, reduction, cyclization reaction 6 - methoxy -7 - benzyloxy-quinazoline -4 - one, and then by the chloride in place of aniline, benzyloxy-off, such as etherification reaction of the target compounds; target compounds with the second and third occurrence of substitution reactions of amines by the TM1, that is, 4 - amino-benzene -6 - methoxy -7 - [2 - hydroxy -3 -(N, N-diethyl amino) oxy c] quinazoline; with ether occurred Ornidazole reaction of TM2, namely, 4 - amino-benzene -6 - methoxy -7 - [2 - hydroxy -3 -(2 - methyl -5 - nitroimidazole) C oxy] quinazoline.

本论文以嘌呤类似物喹唑啉为母核，分别在其4位和7位引入结构多样的取代苯氨基和柔性侧链，设计了一系列4-取代苯胺基-6-甲氧基-7-(2-羟基取代丙氧基)喹唑啉类化合物。目标化合物的合成即：以香草酸为起始原料，与甲醇回流条件下得到4-羟基-3-甲氧基苯甲酸甲酯，然后经过醚化、硝化、还原、环合反应得到6-甲氧基-7-苄氧基喹唑啉-4-酮，然后再经氯化、取代苯胺、脱苄氧基、醚化等反应得到目标化合物；目标化合物与二乙胺发生胺取代反应得到了TM1，即4-苯氨基-6-甲氧基-7-[2-羟基-3-丙氧基]喹唑啉；通过与奥硝唑发生醚化反应得到TM2，即4-苯氨基-6-甲氧基-7-[2-羟基-3-(2-甲基-5-硝基咪唑)丙氧基]喹唑啉。

II. construction contents: introducing continuous spinning machines and DCS, and supporting domestic padding power machine, xanthating machine, degasser, multi-effect flash vaporizer and glauber salt crystallization devices, with cotton spun as raw material, to construct artificial viscose filament project with annual productivity of 20 thousand tons cotton pulp.

二、建设内容：引进连续纺丝机和DCS集散控制系统，国内配套浸压粉机、黄化机、脱气装置、多效闪蒸及芒硝结晶装置等设备，以棉短绒为原料，建设年产2万吨棉浆粕及6000吨人造粘胶长丝项目。

The researchers found that water extracts of garlic, deodorized garlic powder and onions each blocked the ability of two chemicals, nitrite and morpholine, to link to form N-nitrosomorpholine, a known liver carcinogen.

研究人员发现，大蒜提取物的水、脱臭大蒜粉、洋葱每两个化学阻断能力、硝酸盐、吗啉、连接形成N-亚硝基，已知肝脏致癌物。

The reasons of iron ions content overproof in grade Ⅱ desalting water system,such as variation water quality,contamination of regenerant , operation adjustment of pretreatment system and switching operation of bed were discussed.

对二级脱盐水系统中铁离子含量超标的原因，如来水水质发生波动、再生剂受到污染、预处理系统操作调整、床体运行切换等进行了论述。

You were hired to drum up new business, so go and do it.

公司雇你招徕新业务，你就做你的事好了。