查询词典 urea

The content of biuret by colorimetry and the total content of nitrogen in urea and biuret were mensurated.

摘 要：对固相法和液相法合成氰尿酸的方法进行比较，采用比色法测定缩二脲含量，用甲醛测定尿素、缩二脲的总氮量，由缩二脲的含量、总氮量推算出尿素的含量及产品的纯度，从而说明液相法的优势。

The spraying granulation process of a 50 kt/a urea melt facility is described, including the control of biuret content, some key problems in the design of drying system and other equipment.

介绍5万t/a熔融尿素喷浆造粒装置的工艺，阐述固体尿素熔融过程中缩二脲的控制、干燥系统设计以及装置设计的一些注意事项。

The process, product features and biuret control in production of high analysis urea-based compound fertilizer are described, with the slow release ability of the product discussed.

摘 要］阐述高浓度尿基复合肥生产工艺、产品特点、生产过程中对缩二脲控制及其对产品缓释性能的研究。

Key words: high analysis urea-based compound fertilizer; process; parameter; biuret; slow release

关键词］高浓度尿基复合肥；生产工艺；参数；浓二脲；缓释性能

Objective To study the significance of the blood urea nitrogen and serum creatinine in the diagnosis of early diabetic nephropathy.

目的：探讨血清尿素氮及血清肌酐对早期糖尿病肾病的诊断价值。

Xinjiang once for 20 million tons refinery project, Tuoketuo 2,400,000 kilowatts power plant, one million tons Taigang Stainless engineering, Bayi Iron and Steel Works 900,000 tons of stainless steel projects, Qinghai Salt Lake one million tons of potash fertilizer project, Xinjiang Zepu 30 million tons of large chemical fertilizer, petrochemical Uzbekistan 300,000 tons of urea project, Dushanzi 1.2 million tons ethylene project, the Taklimakan oil and gas field projects, three billion yuan Taisu KUNSHAN large electronics factory building, Lianyungang nuclear power plant project, Yunnan Yuxi Cigarette Factory expansion project, the western port of the United States trailer with H-shaped steel, Tibet Lhasa airport, Zhao offshore drilling platform, the new century, Jiangsu 300000 tons dock, Bangladesh flood control projects, Dongfang Boiler Factory, Ningbo Jianlong Iron and Steel Company, Nanjing Metro, Shanghai Municipal Engineering projects such as the supply of a large number of high-quality H-shaped steel, steel sheet pile and the hot coil.

曾经为新疆2000万吨炼油工程、托克托240万千瓦电厂、太钢不锈100万吨工程、八一钢厂90万吨不锈钢工程项目、青海盐湖钾肥100万吨项目、新疆泽普30万吨大化肥、乌石化30万吨尿素工程、独山子120万吨乙烯工程、塔克拉玛干油气田工程、台塑昆山30亿人民币大型电子工厂建设、连云港核电站工程、云南玉溪卷烟厂扩建工程、美国西部港口拖车用H型钢、西藏拉萨机场、赵东海洋钻井平台、江苏新世纪30万吨船坞、孟加拉国防洪工程、东方锅炉厂、宁波建龙钢铁公司、南京地铁、上海市政工程等项目供应大量优质H型钢、钢板桩和热卷板。

The method comprises steps: dissloving relative rare earth oxidant into nitrate to prepare rare- earth azotic acid solution, adding solid nitrate, boracic acid, citrate and urea according to proportion, mixing, calcinating with burning method and getting final product.

制备时，将相应的稀土氧化物溶于硝酸，配成稀土硝酸盐溶液，按计量比加入固体硝酸、硼酸、及柠檬酸与尿素，混合均匀，利用燃烧法灼烧，即得产品。

Methods 60 patients with newly diagnosed ITP, their serum TPO concentration were detected by double-antibody sandwich enzyme-linked immunosorbent assay; and the bone Marrow megakaryocytes were recorded; HP was detected by 14C urea breath test. The control group of 40 cases was also detected by above methods.

60例初治ITP患者，在接收治疗前采用双抗体夹心酶联免疫吸附法检测血清TPO水平，计数骨髓涂片的平均巨核细胞数量，用14C尿素呼气试验检测患者HP感染情况。

Describe structure design of light bulk urea storage house.

介绍一种轻型尿素散装仓库结构设计。

Commitment to the province on September 5 and focus on key project "BT series of complex new biological pesticide formulations of the Development and Application" and other 13 provinces and cities focus on science and technology research projects to promote the Bt pesticide, such as the practical use of biological research, biological pollution-free vegetables Pesticides "Cabbageworm of Hope" was the promotion and application of scientific and technological progress in Yangzhou City, third place; scientific and technological achievements "BT fluoride bell urea mixture of the Development and Application" through the identification.

承担并主持省九五重点攻关项目"BT系列生物杀虫剂复配新剂型的研制与应用"等13项省市重点科技项目研究，推动了Bt等生物农药的实用化研究，无公害蔬菜生物农药"青虫灵"的推广应用获得扬州市科技进步三等奖；科技成果"BT氟铃脲复配剂的研制与应用"等通过鉴定。

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。