查询词典 urea

The experimental study on the modification of coal-bearing kaolinite was achieved with calcium stearate, stearinic acid and urea.

第四，分别用硬脂酸钙、硬脂酸和尿素三种改性剂对晋北煤系高岭石进行改性实验。

Anode catalyst, La0.75Sr0.25Cr0.5Fe0.5O3-δ, was synthesized to construct H2S fuel cell by urea combustion method. The catalyst LSCrF was selected to carry out the polarization test.

摘 要：采用尿素-硝酸盐燃烧法制备钙钛矿阳极催化剂La0.75Sr0.25Cr0.5Fe0.5O3-δ，并将其用于以H2S为燃料气的固体氧化物燃料电池中。

Brewery sludge and cottonseed cake mixed in accordance with the ratio of 4:1 (add a small amount of urea, adjust C/N ratio of 30:1, 60% moisture content). 50 kg was a unit which was packed into a bag for sealing and micro-aerobic composting fermentation. The product of composting was mature after 20 days, which was loose and odorless. Almost mature output could meet the land application control standard of MSS and the class A standard of US EPA.

结果表明：采用棉籽饼作为啤酒厂污水污泥的调理剂，将啤酒厂污水污泥与棉籽饼按照质量比4︰1的比例（添加质量分数为0.5%的尿素，调节C/N为30︰1，含水率为60%）进行混合后，每袋50 kg进行打包后封口发酵，21 d后出料松散且无臭味，堆肥产品腐熟，卫生学指标达到了国标要求。

The major materials consisted of type O fresh plasma from healthy males, gelatin, sepharose 4B activated with cyanogen bromide,sephadex G-25, urea, and trishydroxymethylaminomethane.

材料主要包括新鲜健康男性&O&型血浆、明胶、CNBr-activatedSepharose 4B、交联葡聚糖G-25、尿素、三羟甲基氨基甲烷等。

Dihydropyrimidin-2 (1H)-ones were synthesized by condensation of aromatic or aliphatic aldehydes, urea and ethyl acetoacetate or acetylacetone one-pot three-component Biginelli condensation in the presence of room temperature ionic liquids as catalysts under solvent-free conditions.

5利用室温离子液体作催化剂，芳香或脂肪醛、尿素和乙酰乙酸乙酯或乙酰丙酮三组分缩合制备3，4-二氢嘧啶-2-酮衍生物。

In this study,urea inclusion method and molecular distillation method were applied in the purifications of ethyl ester of EPA and DHA.

用尿素沉淀法和分子蒸馏法研究了二十碳五烯酸、二十二碳六烯酸乙酯的分离提纯。

This time the fund raising is mainly used to construct two advanced gasification stoves which demand 1,000 tons coal per day to substitute the original fixed bed intermittence gasifier. And simultaneously depending on the rich coal resource of Xinzheng, realize localization of raw material coal, increase 2 set of 180,000 ton/year synthesis nitrogen and 600,000 ton/year large urea productivity, and construct one 240 ton/hour of high temperature and high pressure circulation fluid bed boiler to substitute the low efficiency boiler and 1 60MW afterheat comprehensive utilization unit in order to improve the chemical fertilizer installment power structure.

本次募集资金主要用于建设2台日投煤1000吨先进煤气化炉替代原固定床间歇气化炉，同时依托新郑丰富的煤炭资源，实现原料煤本地化，增加2套18万吨/年合成氨，60万吨/年大颗粒尿素生产能力，同时建设1台240吨/时高温高压循环流化床锅炉，替代低效锅炉和1台60MW余热综合利用机组，改造化肥装置动力结构。

We also ran a duplicate set of urea samples that were flame-sealed in glass ampoules, which were reported to be superior over test tubes _J.

我们也跑一复制组的尿素火焰封闭的在玻璃 ampoules 中的样品，被在测试上方是上好的管 _J。

Astragals combined with low molecular weight heparin can significantly decrease urea protein 、blood lipid, increase serum albumin, improve renal function and blood hypercoagulable state ,alleviate edema rapidly in primary nephritic syndrome cases.

黄芪联合低分子肝素治疗原发性肾病综合征能明显降尿蛋白和血脂，提高血浆白蛋白，改善肾功和血液高凝状态，并能迅速减轻水肿，其疗效显著，安全有效。

We want to buy Brazilian Sugar, Icumsa 45 and Basmati Rice, Urea 46 and Cements 42.5 Rice

我们要采购巴西的糖，大米，尿素

I didn't watch TV last night, because it .

昨晚我没有看电视，因为电视机坏了。

Since this year, in a lot of villages of Beijing, TV of elevator liquid crystal was removed.

今年以来，在北京的很多小区里，电梯液晶电视被撤了下来。