查询词典 urea-formaldehyde

The effect of process parameters such as complex temperature,quantity of urea,stirring rotation rate,reaction time,washing times and the quantity of washing agent on product quality and yield is studied, the suitable production conditions are gained.

研究络合反应温度、尿素用量、搅拌器转速、反应时间、络合物洗涤次数和洗涤剂用量等工艺参数对产品质量和收率的影响，得出适宜的生产条件。

The nutrient release rates of single granular coated urea and coatedmonoammonium phosphate were determined by using conductometer.

用电导仪测定包膜尿素和包膜磷铵单个颗粒养分释放速率。

The optimum pH is 8-10 for hypha growth and 7-9 for conidiospore germination; The hypha could not grow on the culture medium which nitrogen source comes from urea and asparagines, but it could grow fast and produce more conidiospore on the culture medium which carbon source comes from maltose, glucose and lactose, and nitro0gen source come from glycine, histidiane and peptone.

该菌在PH 4~12范围内均能生长、产生分生孢子并萌发，菌丝生长的最适pH 8~10。，孢子萌发的最适PH 7~9；该菌不能在以尿素和天门冬酰氨为氮源的培养基上生长，但以麦芽糖、葡萄糖、乳糖、淀粉、甘氨酸、组氨酸和蛋白陈为碳源和氮源时，菌丝生长快、产孢量大；光照处理对该菌菌丝生长、产孢和孢子萌发无显著影响。

The continued increase of coating proportion has little effect on the reduction of urea release rate, when it is over 30%wt..

12%wt。对包膜尿素缓释性能的影响不明显，且当涂层量达到30%wt。

In the rabbit the utilization coefficient of urea nitrogen was as high as 20.7%, due to the effect of microflra in the caecum and behavour of coprophagy.

实验1巧只体重Zkg左右的雄性新西兰白兔，随机分成三组，分别一次性用尿素灌胃4.59//只，9留只和13.5创只，约占兔正常采食量的3%、6%和9%。

Under the optimized conditions as follows: ratio of apple pomace and cottonseed meal 1︰1, urea content 2.6%, KH2PO4 content 0.09%, glucose content 2%, initial moisture content 62.9%, fermented at 30℃ for 60 h, 5662 and 30000 U/g of xylanase and cellulase were produced, respectively.

在最佳条件（基料棉粕和苹果渣比例为1︰1，第2氮源尿素2.6%，无机盐KH2PO4 0.09%，速效碳源葡萄糖2%，含水率62.9%，30℃培养60 h）下，分别获得了5662、30000 U/g的木聚糖酶和纤维素酶的高酶活发酵干曲。

Blood urea nitrogen and creatinine were determined on 1,3,5 days after CDDP treatment.

CDDP处理后，分别在第1、3和5天采血，测定血清尿素氮和肌酐。

The influence of urea on the crystallization of calcium sulfate was studied in a MSMPR crystallizer.

以试剂磷酸二氢钙、硫酸和尿素为原料，模拟磷矿-硫酸脲反应中的硫酸钙结晶过程，在MSMPR结晶器中研究了尿素对硫酸钙结晶的影响。

The paper mainly studies the new preparation technologies of cyanamide. The paper reviews the preparation technologies of cyanamide in domestic and overseas. We analyze the advantage and disadvantage of all the technologies, and we design two new technologies: urea- cyanamide method and ammonia, carbon dioxide- cyanamide method.

本文主要研究了制备氰胺的新工艺，综述了国内外氰胺工业生产的几种主要工艺，分析了各工艺的利弊，设计了两条新的工艺路线，即尿素-氰胺法和氨气、二氧化碳-氰胺法。

Presents feasible controlling measures for decreasing urea unit consumption of gas quenching process for cyanamide production,in order to decrease production cost,perfect process design,optimize process operation and stabilize production.

对气相淬冷法三聚氰胺工艺降低尿素单耗提出可行性的调控对策，以期降低生产成本，完善工艺设计，优化工艺操作，稳定装置生产。

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。