简述宁阳化肥厂采用中国五环化学工程公司编制的小尿素二版通用设计，并在此基础上进行小改小革的成功经验。
Adoption of second version of generalized design of small scale urea plant issued by China Wuhuan chemical engineering Corp. in Ninyang fertilizer plant and minor modification on it are introduced.
其合成方法主要有酯交换法、尿素法和二硫化碳法等。
Methods of synthesizing diphenyl carbonate included transesterification, urea and carbon disulfide.
二者都能够维持奶牛血清T3、T4、COR、PRL水平的基本恒定；均显著降低了尿素氮和胆固醇水平（P<0.05）。
The serum levels of T3, T4, COR, PRL could be kept stable and the serum urea nitrogen, cholesterol were decreased significantly(p<0.05)in NG and CNG.
目的：为评价血液透析一室和二室尿素动力学模型的差异。
OBJECTIVE To evaluate the difference of one pool and two pool modeling of urea kinetic in hemodialysis.
建立一种测定尿素中缩二脲含量的反相高效液相色谱(HPLC)方法。
A reversed - phase HPLC method was established to determine the biuret content in urea.
结果： 尿毒康有改善临床症状，使血肌酐、尿素降低，血红蛋白和二氧化碳结合力（CO2CP ）升高的作用，且明显优于肾安组。
RESULTS: Niaodukang could relieve clinical symptoms, reduce Scr and Urea, increase Hb and CO2CP . The effects were obviously better than those of Shenan.
与醇类，二醇类，丙三醇，尿素，甲酰胺各种浆液附加物进行反应时，在相言性方面是有选择性的。
The reactions are selectively compatible with such diverse slurry additives as alcohols, glycols, glycerol, urea, formamide.
以癸二酸和尿素为原料合成癸二酰胺。
Decanediamide was synthesized using sebacic acid and urea as starting materials.
结果表明，膨化和加酶处理玉米以及二者互作对断奶仔猪血清葡萄糖和尿素氮浓度均无显著影响。
The results showed there was no evident difference in blood sugar and urea nitrogen among treatment groups.
研制了一种适合“热进-热出”工艺的中温固化水溶性酚醛树脂，该酚醛树脂是在传统的水溶性酚醛树脂合成工艺的基础上，加入一定量的间苯二酚和尿素制成。
PF resin is modified by use of urea and resorcin to prepare a kind of mid-temperature water-soluble resin, which is suitable for "hot-hot process" in bamboo plywood production.
介绍二氧化碳气提尿素装置在生产过程中变电所发生短路，事故盘烧毁对尿素装置的影响及处理方法。
This paper introduced the affects of short circuit for transformer substation on air-stripping urea plant and trouble handles.
对乌石化二化肥尿素装置进行技术标定，在标定期间运行稳定，生产能力为设计能力的107%。
The urea unit in Urumqi General Petrochemical Works has been demarcated technically. In the course of demarcation, its operation is stable. The productive capacity is 107% of the design capacity.
但在生产中要妥善解决尿素浓溶液易结晶堵塞管道以及尿素在高温下易生成缩二脲的问题。
However these troubles of concentrated urea liquor crystallizing and blocking pipe, as well as urea changing into biuret at high temperature should be avoided.
介绍氨气提法尿素装置的造粒喷头、二段蒸发水离器及分解系统压力控制阀的改造情况。
The retrofit is given of the prilling basket, second stage evaporation separator and control valve for pressure in the hydrolysis system in a urea unit based on the ammonia stripping process.
以磷酸二氢铵和尿素为原料，用微波反应器和马弗炉分别研究聚磷酸铵（APP）的聚合工艺条件。
The polymerization conditions of ammonium polyphosphate(APP) were studied by microwave reactor and muffle furnace respectively with ammonium dihydrogen phosphate and urea as raw materials.
为探讨外源物质对甜柿果实品质的影响，试验对甜柿品种富有的果实喷洒一定浓度的谷氨酸、6-BA、GA3、尿素和磷酸二氢钾溶液。
To discuss the influence of allogenic substances on the quality of non-astringent persimmon, certain concentration of glutanic acid, 6-BA, GA3, urea and KH2PO4 were sprayed on fruits of Fuju.
以甲醛与尿素作为单体在正硅酸乙酯水解所得的氧化硅溶胶中进行聚合反应制得了有机—无机二氧化硅复合微球。
The composite silica microsphere was obtained through the polymerization of urea and formaldehyde occurred in the silica sol that prepared from the hydrolyzation of tetraethyl orthosilicate.
脲醛树脂由尿素、甲醛、二醛和一种或多种稳定剂、改性剂，按照弱碱-弱酸-弱碱的路线反应而得。
The urea-formaldehyde resin is formed by the reaction of urea, formaldehyde, aldehyde, one or more stabilizers and modifier according to the route of weak base-weak acid-weak base.
建立了对二甲氨基苯甲醛法和亚硝酸盐——格里斯试剂法两种对牛奶中掺入的尿素的快速检测方法。
In this paper, two rapid detection methods for carbamide in milk, namely p-dimethylaminobezaldehyde method and Nitrite-Griess method, were developed.
川化股份有限公司第二化肥厂采用ACES 21工艺对尿素装置进行了增产节能技术改造。
The urea plant was revamped with ACES21 process to expand capacity and save energy in the second chemical fertilizer plant of Chuanhua co.
以二水氯化钡与尿素为原料采用均相沉淀法，通过添加控制剂合成不同形貌的碳酸钡粒子。
Using BaCl2·2H2O and urea as raw material, adding control agent, different topography barium carbonate particles were synthesized by homogeneous precipitation method.
本文采用升膜式蒸发器的计算方法对尿素一段、二段蒸发器进行模拟计算。
The calculation method for climbing film evaporator was used to simulate the evaporators of first stage and second stage urea solution.
介绍了齐鲁第二化肥厂甲醇装置脱碳弛放气回收后用做尿素原料所采用的工艺方案、运行状况及效益情况。
The process scheme, run state and economic effect for recovering carbon dioxide from the decarbonized purge gas of methanol plant of the Second Feritilizer of Qilu Petrochemcal co.
本文介绍了以对苯二酚为添加剂的缓效尿素中缩二脲含量分析方法的试验研究情况。
The analysis method for biuret content in long-efficacy urea using hydroquinone as an additive is studied and tested.
我们用二茂铁乙炔、芳香醛和尿素三组分一锅煮反应，想要得到二茂铁基得4H-1，3-嗪。
We experimented by the one-pot reaction of ethynylferrocene, Arylaldehydes and Urea, wanted to the ferrocene-containing 4H-1,3-Oxazines.
根据二乙酰一肟与在酸性条件下尿素的反应，建立了一种分光光度法快速测定牛奶中尿素含量的方法，该方法可以定性和定量测定牛奶中尿素含量。
A spectrophotometry method, which based on the reaction of diacetylmonoxime and urea in acidic solution, was established for determination urea in bovine milk.
综述了以尿素为原料合成碳酸二甲酯的工艺路线及其催化剂。
Process routes and catalysts for the synthesis of dimethyl carbonate (DMC) from urea are reviewed.
苯基脲具有很强的二阶非线性光学效应，其粉末二次谐波产生效率为尿素的11倍；
A primary study was carried out and the results revealed that phenylurea had fairly strong nonlinearity, its powder second harmonic generation efficiency was 11 times larger than that of urea.
分析二氧化碳汽提尿素装置低压、常压系统结晶堵塞的原因，提出了解决措施。
Analyzes reasons for crystallization plugging of low-atmospheric pressure system of CO2 stripping urea plant, and presents problem solving measures.
氰尿酸是高效除藻剂二氯异氰尿酸钠（钾）和三氯异氰尿酸的主要原料， 尿素热解法生产氰尿酸的传统工艺会产生大量的含氨气体和大量不同浓度的酸性废水。
Cyanuric acid is a main raw material for sodium dichloro-isocyanuric and trichloro-isocyanuric acid production which are high-efficient healthy reagents for eliminating algae germcide.
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