urea
英[jʊ'riːə] 美[jʊ'riːə]
1. 尿素：(1) 尿素(urea)的生成urea Biosynthesis1932,德国学者Hans Krebs 提出尿素循环(urea cycle)或鸟氨酸循环(ornithine调节:N-乙酰谷氨酸(AGA)为变构激活剂 意义:其活性可作为肝细胞分化程度的指标鸟氨酸循环的小结有A 位(acceptor site)和P位(donor site).活性的成熟蛋白质过程 新生肽链的折叠:折叠酶(foldase)或分子伴侣.
2. 脲：中文: 利用荧光光谱和紫外光谱研究了脲(urea)对牛血清白蛋白(BSA)结构的影响以及氧氟沙星(Oflx)与脲诱导的BSA结合的情况.
3. 尿酸：对昆虫调节氮代谢作用的机制,则很少了解,尤其昆虫对蛋白质的摄取和消化作用,氨基酸吸收,最后尿酸(urea)排泄. 其他尿囊素(Allanotin)、尿素(urea)及氨,这些都与马氏管的生理特性有关,而马氏管主要的功能在於调节体内水分、盐类和氮等平衡状态.
4. 素：并 明此S型6) 抑制剂 (inhibitor) 与 负效应物 (negative effector) 可影响酵素活性,其差别在於后者16) 蛋白质激脢 (protein kinase) 的催化反应本身 是可逆的,因此蛋白质的磷酸化可以其27) 素 (urea) 可导致酵素变性的原
A kidney also takes urea and mineral salts out of the blood.
肾还排出血液中的尿素和无机盐。
Sweat consists of water with small amounts of urea and salts.
汗液是由水和少量尿素和盐构成的。
Decanediamide was synthesized using sebacic acid and urea as starting materials.
以癸二酸和尿素为原料合成癸二酰胺.
Rice, Sugar, Corn , urea, Barley, Agricultural Products.
采购产品大米, 糖, 玉黍蜀, 尿素, 大麦, 农业的产品.
We need urea plant, oil refinery plant and cement plant. Immediate decision within 1 month.
需要尿素生产设备 、 油精炼设备和水泥设备,请于1个月内回复.
Surgical treatment is indicated for urethral obstruction, recurrent urethral infection, urea incontinence, penile malformation, et al.
对伴有尿道梗阻 、 反复尿道感染 、 尿失禁 、 阴茎畸形等的患儿, 应行外科手术.
Please quote for 100, 000 metric tons of urea FOB London.
请你方报100, 000公吨尿素的FOB伦敦 价.
Factors affecting product quality of urea formaldehyde resin adhesive were analysed in details.
详细地分析了影响改性脲醛树脂胶粘剂产品质量的各种因素.
Causes of urea caking during transportation and storage are analyzed on the basis of agglomerating mechanism.
根据尿素结块机理分析了尿素在运输和贮存过程中结块的原因.
urea is commonly used as the source of nitrogen in foliage sprays.
尿素作为氮素给源普遍地应用于叶面喷布.
A type of solid polymer electrolyte ( SPE ) was prepared with urea , Propionamide, and PEG 6000.
用丙酰胺溴化钠、PEG6000制备了聚合物凝胶固体电解质 ( SPE ).
Amino and urea compounds are commonly used in applications demanding high levels of hygiene.
在对卫生要求较高的环境中,氨基和尿素化合物一直得到广泛使用.
The film surface of coated urea particles was checked by scanning electron microscopy ( SEM ).
通过扫描 电镜 检测包膜尿素和膜层的形貌特徵.
The research was based on the effects on synthesis of powder urea formaldehyde by reinforcing agent.
研究了增强剂对脲醛树脂性能的影响.
Little difference was obtained between treatments of urea and ammonium bicarbonate combined application with fertilizer respectively.
尿素、碳铵分别配施有机肥的两处理产量差异较小.
The corrosion prevention s of urea prilling towers have inner corrosion and outer corrosion.
尿素造粒塔的腐蚀有内部腐蚀和外部腐蚀.
Analyzes the design defects of ammonia condenser stripping process urea plant and provides the improvement methods.
剖析斯那姆氨汽提法尿素生产装置中氨冷凝器的设计缺陷,提出改进措施.
Excellent design plasticity materials such as rubber. melamine . Bakelite. urea. powder. foam brake lining sheets. etc.
此系列机型适用于易塑性原料之成型作业.如橡胶. 美耐皿. 电木. 素尿粉. 发泡.杀车来令片--等.
