查询词典 urea-formaldehyde

The release characteristics of the coated urea were determined by marinating in water and in soil respectively. Surface and cross-section topography of the coated urea were studied by scanning electronic microscopy.

用水浸泡法和土壤培养法探讨了包膜尿素的释放特性，用扫描电子显微镜研究了包膜尿素的表面和截面形貌。

Before the urea solution has not crystallized, to which the trace elements such as P, K, S, Fe, Ca ETC are fed so as to produce the urea based compound fertilizer by means of prilling method.

在尿素溶液未结晶前，引入P、K、S、Fe、Ca等微量元素，通过造粒，生产尿基复合肥。

Double rotating cylinder large granule urea technology is to make a combination of fluidized bed prilling with the rotating drum prilling,and to composite a fluidized bed rotating drum prilling machine,adding minor additive,then to produce large granule urea with high strength.

双滚筒大颗粒尿素技术是将流化床与转鼓造粒相结合，组成流化床转鼓造粒机，加入少量添加剂，就可生产高强度的大颗粒尿素。

Were 9.93 %-16.27 % lower than that of normal urea. Compared with the normal urea, the volatilized ammonia rate of BCCU was reduced to

物k和氮素利用率分别提高12.8 %-24.1 %和10.50%-16.99 % o 结论1竹炭片尿素中氮素不仅具有一定的缓释性能，还具有一定的

The results confirm that NH3 slip increases with both higher ratio of NH3 to NO n(NH3/n and higher concentration of a reducing reagent, while it decreases with the increase of temperature. Initial NO concentration and its residence time can also affect the NH3 slip. A higher initial NO concentration lead to higher NH3 slip, but added residence time has the opposite effect. Among urea, ammonium carbonate and ammonia liquor, the NH3 slip of urea is the highest and that of ammonia liquor is the lowest.

试验结果表明：温度越高，漏失氨含量越低；随氨氮物质的量比的增加，NH3漏失含量不断增加；还原剂质量浓度越低，NH3漏失含量越低； NO初始浓度和停留时间对漏失氨浓度也有影响，NO初始浓度越高NH3漏失浓度越高，停留时间越长漏失氨浓度越低；不同还原剂NH3漏失浓度不同，尿素、碳酸氨、氨水3种还原剂中，尿素的NH3漏失浓度最高，氨水的NH3漏失浓度最低。

INGREDIENTS:Water, Stearic Acid, Urea, Mineral Oil, Propylene Glycol, Glycol Stearate, Glycerin, Sorbitan Stearate, Bismuth Oxychloride, Triethanolamine, Glyceryl Stearate, PEG-150 Disterate, Methylparaben, Diazolidinyl Urea, Propylparaben, Disodium EDTA.

警告： 对于只有外部的使用。如果皮肤敏感发生，停止使用。远离孩子。避免与眼睛的接触。温馨提示：品牌介绍见网页下方。图片为参考，具体产品信息以宝贝介绍为准。更多提示见

INGREDIENTS:Water, Stearic Acid, Urea, Mineral Oil, Propylene Glycol, Glycol Stearate, Glycerin, Sorbitan Stearate, Bismuth Oxychloride, Triethanolamine, Glyceryl Stearate, PEG-150 Disterate, Methylparaben, Diazolidinyl Urea, Propylparaben, Disodium EDTA.

警告： 对于只有外部的使用。如果皮肤敏感发生，停止使用。远离孩子。避免与眼睛的接触。顾客平均评分：，共有0位顾客进行了评分和评论，点此登录发表评论，分享购物心得

In same hemodialysis conditions, the 8 blood samples were dialysed for 3 minutes in turn. The urea concentration of pre and post hemodialysis and the collected dialysate were measured and urea reduction ratio was calculated. Results The URR were 97.7%、95.6%、90.5%、85.8%、84.1%、75.9%、62.5% and 54.8%(r=-0.9654) respectively(P＜0.01) as the Hct elevated.

在相同的血液透析条件下每个血样透析3min，同时收集透析废液，分别测定透析前后血样本及透析废液中的尿素浓度，通过血尿素浓度计算尿素清除量及尿素下降率；通过透析液尿素浓度计算其尿素含量，并与前者比较其一致性。

Nitrogen fertilizer sources subject to ammonia volatilization losses are urea, urea-ammonium nitrate solutions, and anhydrous ammonia.

容易形成氨挥发损失的氮肥品种有：尿素、尿素-硝酸铵溶液和液氨。

This equation was tested by the renaturation processes of denatured egg white lysozyme in guanidine hydrochloride and urea solutions, with the results to show that when guanidine hydrochloride and urea concentrations were separately higher than 1.25 and 3.00 mol/L or separately lower than 1.00 and 3.00 mol/L, the refolding intermediates of egg white lysozymes were more easily aggregated to aggregate state or more easily renatured to native state, respectively.

以蛋白溶菌酶在盐酸胍和脲溶液中的复性过程对此关系进行了验证，结果表明，当溶液中盐酸胍和脲浓度分别大于1.25 mol/l和3.0 mol/l或分别小于1.0 mol/l和3.0 mol/l时，它们的折叠中间体分子分别更倾向于集聚成集聚体或更倾向于复性成原始态分子。

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。