尿素的

基本解释 (translations)

ureal

与尿素的相关的网络例句 [注：此内容来源于网络，仅供参考]

The mutants were further screened through repeated fermentations as well as the measurement of their physical properties. The results showed that some major fermentation indexes of strain HJ1615-d4 such as alcoholicity, fermenting power,total acids and flavoring components etc. were almost the same as those of the original strain. However, its urea yield was only 15.41 mg/L, louer 50 % than that of the original strain.

对这4株突变株进行发酵栓实验，并测定其发酵综合性能，其中菌株HJ1615-d4在发酵力、总酸、酒精度以及风味物质等综合指标方面保持了亲株的优良性状，同时产尿素的量为15.41 mg/L，低于出发菌株产尿素量50 %以上。

In accordance with the principle of chemical dynamics, a new evaluation method for rate of ammonification of urea was established, and the type of reaction of ammonification of urea was confirmed.

根据化学反应动力学原理，建立了尿素氨化速度的评价方法，确定了尿素氨化反应的级数，测定了普通尿素、缓释尿素在特定条件下的氨化反应常数和半衰期，并依此评价了涂层缓释尿素的缓释性能。

Moreover, eluviation experiment shows that the eluviation curves of the three kinds of modified urea are similar to that of slow released urea from Germany.

淋溶实验表明，改性尿素与德国缓释尿素的淋溶曲线相似。

Under normal pressure and room temperature, urea humate is manufactured by coating urea with coal humus acid, with water and a few additives as its binder, also its agricultural effect is examined.

介绍用水和少量添加剂作介质，在常温常压下，煤炭腐植酸与尿素直接进行络合反应包裹生产腐植酸尿素的工艺及特点，并对其农业应用效果进行了讨论。

The test areaswas 480.24 m2.The results were as follows:the excessive amount of organicfertilizer or urea was the cause of plant spindling and falling over. Application ofdifferent fertilizers for organic fertilizer≤15 000 kg/hm2,urea≤150 kg/hm2,KCl≤225kg/hm2,fused calcium magneium phosphate≤450 kg/hm2,have theapparent effects on increasing the individual plant productivity,the weight of one hundredgranule and the weight of one hundred kernel.Organic fertilizer and urea showed moreapparently effects.

结果表明，有机肥或尿素的过量使用是植株徒长倒伏的主要因子；增施：有机肥≤15000 kg/hm2，尿素≤150 kg/hm2，KCl≤225 kg/hm2，钙镁磷肥≤450kg/hm2，都能明显提高花生的单株生产力、百果重和百仁重，其中有机肥和尿素的效果极明显。

In conditions of the high temperature and high pressure , urea is synthesize with liquid ammonia and carbon dioxide.

摘 要 尿素合成塔是合成尿素的关键设备之一，在较高的压强和温度下，液氨与二氧化碳反应生成尿素。

A spectrophotometry method, which based on the reaction of diacetyl monoxime and urea in acidic solution, was established for determination urea in bovine milk.

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。

The results of SEM photography of WSCU indicate that the coating texture of potassium-type gel coated urea is dense, and the crystal of gels is tightly felted on surface of urea crystal which is contributed to the abrasion-resistant performance of WSCUs coaling.

扫描电镜成像图分析表明，钾型保水剂包膜尿素的包膜质地密实，保水剂晶面与尿素晶体表面具有紧密粘接面，这种紧密粘接面赋予钾型保水剂包膜耐磨性好，不易脱落的特征。

Through analysis of variance, the best mass ratio of different coating material matching is found out: It is the best matching when the mass ratioof red clay membrane urea is 5:7,which can lengthen the eluviationing time for 11 days, reduce the nitrogen eluviationing loss by 16.12%; the amount of the clay quality has no use to lengthen the eluviationing time and the result is not obvious; when the quality ratio of urea and gypsum is 5:8,it can lengthen the eluviationing time for 8 days, reduce the nitrogen eluviationing loss by 23.86%;when the quality ratio of urea and gypsum is 5:7,it can lengthen the eluviationing time for 30 days, reduce the nitrogen eluviationing loss by 16.58% when the contrast urea N is all eluviated out ; it is the optimum matching association; When the quality ratio of the urea and the sulfur is 5:6, which is a optimum proportion ,it can l

根据对淋溶时间、经济成本等的对比，经过方差分析，找出了不同包裹材料的最佳质量比的搭配组合：红胶泥包膜尿素的质量比是5：7时最好，可以延长淋溶时间11天，减少氮素淋溶损失16.12%；粘土质量的多少对延长尿素的释放时间作用不大，效果不明显；石膏和尿素两者的最佳质量比是5：8时，可以延长淋溶时间8天，减少23.86%的氮素淋溶损失；硼砂和尿素的质量比是5：7可以延长淋溶时间30天，当对照尿素N素全部淋出时，减少16.58%的氮素淋出，是最优

As hollow fiber membranes thickness are different, yet urea clearance rate in simulation solution is relatively high, which can reach more than 64% and little difference among them; the BSA have a relatively high rejection, which can be achieved over 98%. There is a certain difference in the Lysozyme clearance rate, the smaller thickness, the higher the rate of removal, and the removal rate of 10μm thickness of the membrane is 29%. The clearance rates of urea were very high using different fiber diameter dialyzers, at around 80%. Urea clearance ratecan reach to the highest 88.6% using 0.26mm fiber diameter dialyzer. The clearance rates of Lysozyme vary greatly, the smaller the diameter, the higher clearance rate, and the highest removal rate of lysozyme is 62.79% using 0.26mm fiber diameter dialyzer. However, there is little impact on the rejection of BSA, which can reach 98%.

不同壁厚中空纤维膜透析器对模拟液中尿素的清除率均可达到64％以上，且差异不大，对牛血清白蛋白的截留率均可达到98％以上，对溶菌酶的清除率有一定的差异，壁厚越小清除率越高，壁厚为10μm的膜对溶菌酶的清除率为29％；不同纤维内径透析器对尿素的清除率均在80％左右，纤维内径为0.26mm的透析器对尿素的清除率最高，达到88.6％，对溶菌酶的清除率差别很大，内径越小，清除率越高，内径为0.26mm的透析器对溶菌酶的清除率达到62.8％，对牛血清白蛋白的截留影响很小，截留率都能达到98％以上。

与尿素的相关的网络解释 [注：此内容来源于网络，仅供参考]

bun：尿素氮

肾功能检查 1) 尿素氮 (BUN) 为肾脏滤过代谢之最终产物,当肾障碍时,产物无法适当排出,此时血清之尿素氮数值升高. 但此数值极易受药物剂量影响,必须配合其他检查数值一起诊断. 2) 肌酸酐 (CRE) 肌酸酐是肌肉运动的主要能源--肌酸所分解的一种物质,

carbamide：尿素

同时,Cross Coupé quattro所拥有的新世代TDI引擎,在环保与节能亦有抢眼的表现,尽管动力强大,平均油耗却能维持16.9km/L的水准,同时,Bluetec环保柴油引擎技术,在结合碳微粒滤清器与运用尿素 (carbamide) 的高效能触媒转化器后,

ornithine cycle：鸟氨酸循环

1932年Krebs等人利用大鼠肝切片作体外实验,发现在供能的条件下,可由CO2和氨合成尿素. 若在反应体系中加入少量的精氨酸、鸟氨酸或瓜氨酸可加速尿素的合成,而这种氨基酸的含量并不减少. 为此,Krebs等人提出了鸟氨酸循环(ornithine cycle)学说.

Determination of Urea Determination of particle size Sieve method：尿素测定方法 粒度的测定 筛分法

尿素测定方法 水不溶物含量的测定 重量法 Determina... | 尿素测定方法 粒度的测定 筛分法 Determination of Urea Determination of particle size Sieve method | 尿素测定方法 硫酸盐含量的测定 目视比浊法 Determi...

Frederick Soddy：索迪 提出同位素假说的索迪

施陶丁格 创立高分子化学的施陶丁格 Hermann Staudinger | 索迪 提出同位素假说的索迪 Frederick Soddy | 维勒 人工合成尿素的首创者维勒 Friedrch Wohler

urea：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.

urease：尿素分解酵素

(二)被水解成碳酸铵: 尿素在土壤中会受微生物群分泌的尿素分解酵素(Urease)的催化,水解成 碳酸铵(参考式 1),此即尿素的铵化作用. 尿素的铵化作用速率和土壤质地,土壤肥沃度,土壤酸碱度,土壤水分,土 壤温度有关,

uric acid：尿素 urea 尿酸

中药化学成分 夜明砂含尿素(urea),尿酸(uric acid),胆甾醇(cholesterol)及少量维生素(vitamin)A等中药化学成分 夜明砂含尿素(urea),尿酸(uric acid),胆甾醇(cholesterol)及少量维生素(vitamin)A等世界上所有的粪便,都含有"尿素(urea),

ureal：尿素的

ureafuranresin 尿素呋喃树脂 | ureal 尿素的 | urealysis 尿素分解

Sulphur bacteria：硫磺细菌

硫磺细菌 硫磺细菌 (sulphur bacteria) 氧化硫化氢为元素硫,贮存在菌体内,当环境中缺少硫化氢时,动用贮存的元素硫颗粒,将其氧化为硫酸. 包括:(1)无色硫磺细菌,不含光合色素尿素细菌 尿素细菌 urea bacteria 分解尿素的细菌.