汗液几乎全是由水组成，也含有微量的化学元素，包括氨、尿素、盐和糖。
Sweat is also known as perspiration, and it is made almost completely of water, with tiny amounts of other chemicals like ammonia, urea, salts, and sugar.
尿素在水中会水解成氨。
它们从皮肤的汗水中吸收尿素和氨，将其转化为对身体有益的氧化氮。
They feed off urea and ammonia in the sweat from the skin, turning them into nitric oxide, which is very good for the body.
当等量尿素追施入不同施磷处理土壤后，氨挥发速率出现规律变化。
Ammonia volatilization appears regular change in the condition of the same amount of urea applied to the soil with different treatments of phosphorus fertilizer application.
介绍氨汽提尿素工艺在海南化肥厂的应用，以及试生产过程中存在的问题及采取的改进措施。
This paper presents the application of ammonia stripping urea process in Hainan Natural Gas Chemical Fertilizer Plant, problems during commissioning run and the improvement measures to be taken.
在一般的情况下，使用含尿素防冻剂的住宅，其墙体中氨释放完全大约需要10 ~32年。
Under general conditions, the complete emission of ammonia from the wall of residence where the antifreeze containing carbamide has been used needs about 10 ~ 32 years.
介绍尿素热解制氨技术及其在华能北京热电有限责任公司SCR脱硝中的应用情况。
The technology of urea pyrolysis to prepare ammonia and its application situation in SCR Denitrification of Huaneng Beijing Thermal Power Co Ltd have been presented.
试验结果表明，在三种不同水分含量条件下（10％、15％、20％），涂层尿素施入土壤后氨挥发速率均比普遍尿素低；
Results showed that the rate of ammonia volatilization of coated-urea was lower than common urea under different water content conditions (10%. 15%. and 20%).
主要结论如下：(1)当等量尿素施入不同盐分浓度处理的去离子水中，结果没有测到氨挥发。
The main conclusions are as follows: (1) Ammonin loss has not been tested when the same amount of urea added into different salt treatment deionized water.
加拿大有丰富的天然气资源，用于合成氨、尿素、甲醇和乙烯的生产。
Canada is rich in natural resources, for ammonia, urea, methanol and ethylene production.
IBDU的体外氨释放速度远比尿素慢，而与大豆饼相同。
In vitro ammonia release of IBDU was markedly slower than that of urea and similar to that of the-soybean meal.
其理论基础是尿素表施易引起氨挥发，这是其损失的主要机制。
This rationale is based upon the susceptibility of surface applied urea to volatilization, the primary mechanism of loss.
介绍了自密封阀在氨汽提尿素装置中的应用情况，对其泄漏原因进行了分析；并提出了具体维修方案。
The service of the self-sealed valve in Urea Plant with ammonia technic was introduced, and the cause of the seal leakage was analyzed, the solution of local maintenance was pointed out.
我们还对传统的甲醛—硫酸法进行了改良，并将新的甲醛—硫酸法运用于硝酸尿素金属络合物中的酰氨态氮和总氮含量的测定中。
We also improved the conventional formol-H2SO4 titrimetric method, and applied it into the determinations of the contents of amide nitrogen and total nitrogen in urea nitrate metal complexes.
介绍新尿素装置中压氨系统停车排放过程中氨回收的改造及所取得的效果，对环境的影响，达到操作优化、节能降耗的目的。
This paper introduced the reformation of ammonia recovery system and influence on the environment in urea plant , the process is the energy-saving and easy to operation.
介绍了国内第一套氨汽提尿素装置关键设备汽提塔的运行、倒头及垢层物理清洗情况。
The operation, overturn and physical cleaning of the stripper-key equipment in the first ammonia stripper urea construction in China were introduced in this article.
腐植酸尿素降低氨挥发量与其养分释放模式和形成的土壤环境密切相关。
The ammonia volatilization reduction of humic acid urea correlated significantly with its nutrient-release mode and soil ambient.
甲醇合成弛放气中含N2又可用于合成氨加工成尿素。
The N2 released from methanol synthesis can be used to synthesize ammonia for urea production.
试计算氮在尿素及硫酸氨的质量百分率。
Calculate the percentage by mass of nitrogen in urea and ammonium sulphate.
介绍氨汽提尿素装置中使用降膜式真空预浓缩器回收余热的情况和使用过程中遇到的问题及解决措施、经济效益。
This paper presents the application of down-film vacuum preconcentrator for heat recovery, puts forward the problems and measures against them during the application.
云南沾益化肥厂采用造气炉夹套锅炉处理尿素蒸氨废液、尿素水解废液和甲醇废液。
Yunnan Zhanyi Chemical Ferilizer Plant USES its gasifier jacket boiler to treat wastewater from ammonia evaporation in urea production, wastewater from urea hydrolysis and methanol wastewater.
对分别选用氨水、纯氨及尿素作反应剂的SNCR脱硝系统的优缺点进行了比较。
Advantages and disadvantages of the SNCR denitrification systems were separately compared by using different reactants, such as aqueous ammonia, anhydrous ammonia and urea etc.
分析尿素装置高压氨预热器多次发生列管及封头泄漏的原因，提出如何处理及防止类似事故的发生。
The reasons for the leakage of high-pressured ammonia pre-heater row tubes and seals were explained, and how to handle and prevent the occurrence of similar accidents was proposed.
主要品种有尿素和硫酸铵、硝酸铵、碳酸氢铵、氯化铵、石灰氨、氨水等。
The main varieties include urea, ammonium sulfate, ammonium nitrate, ammonium acid carbonate, ammonium chloride, ammonium lime and ammonia water.
简要介绍了国内多家SNAM型尿素装置钛材氨汽提塔近年来出现的泄漏情况，对其泄漏的原因进行了分析，并对其检修情况作了介绍。
This paper briefly introduces the leakage situation of titanium ammoinia strippers in domestic SNAM-type urea plants in recent years.
增多的氨作为毒性代谢物抑制了氨甲酰磷酸合成酶，并阻止氨进入尿素循环。
Elevation NH3 occurs as the toxic metabolite inhibits the carbomyl phosphate synthase I, preventing the incorporation of NH3 into the urea cycle.
过量的蛋白质供给可导致血氨过高或血尿素氮升高，进而可发生液体负荷过多，胆汁淤积和渗透性利尿。
Excess protein may cause hyperammonemia or an elevated BUN. Fluid overload, cholestasis and osmotic diuresis are further problems which may occur.
过量的蛋白质供给可导致血氨过高或血尿素氮升高，进而可发生液体负荷过多，胆汁淤积和渗透性利尿。
Excess protein may cause hyperammonemia or an elevated BUN. Fluid overload, cholestasis and osmotic diuresis are further problems which may occur.
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