查询词典 urea-formaldehyde

Mesoporous tin dioxide (SnO2) was synthesized by thermal decomposition of the precursor obtained via a solvothermal method in the presence of SnCl4·5H2O, urea and ethanol.

采用溶剂热方法，以SnCl4·5H2O/尿素/乙醇三元体系合成了具有特定结构的前驱体，该前驱体经焙烧后得到了具有海绵状结构的介孔SnO2。

Such as PVC, urea, the anhydride, caustic soda production plant, or external leakage demanding medium, such as HF, such as phosgene.

如PVC、尿素、本酐、烧碱生产装置中，或对外泄漏要求高介质，如HF，光气等。

Results showed that NBPT mixed proportionally with urea increased the soybean root vigor, root nodule number and weight, the root nitrogen fixation activity,and therefore the root growth was increased by a high content of N in the soybean plant.

结果表明，NBPT提高了大豆整个生长期的根系活力，对根瘤固氮酶活性有促进作用，根瘤数量和重量都有增加，因而大豆植株的含氮量也随之增加，根系生长得到促进。

Soil enzyme and microflora rhizosphere effect of urea fertilizer treatment and biological fungus fertilizer treatment was less than organic fertilizer treatment.

施用有机肥处理对土壤微生物和土壤酶根际效应值影响最明显，菌肥处理影响最小。

Ingredients: ginseng root extract, lavender extract, gingko, peony bark, tea tree oil, taraxacum, red-rooted salvia, forsythia, honeysuckle, Philippine violet herb extract, vitamin D, HA, squalane, PEG-20 methyl glycoside sesquistearate, mamushi oil, bi imidazolidinyl urea etc.

成 分：去离子水、人参根提取物、薰衣草提取物、银杏叶提取物、丹皮、茶树油、蒲公英提取物、丹参提取物、连翘果提取物、金银花、紫花地丁、水杨酸、羟乙基纤维素、双咪唑烷基脲、透明质酸。

Ingredients: ginseng root extract, lavender extract, gingko, peony bark, tea tree oil, taraxacum, red-rooted salvia, forsythia, honeysuckle, Philippine violet herb extract, vitamin D, HA, squalane, PEG-20 methyl glycoside sesquistearate, mamushi oil, bi imidazolidinyl urea etc.

成 分：去离子水，丙二醇，甘油，矿油、矿脂、角鲨烷，甲基葡萄糖倍半硬脂酸酯，PEG-20甲基葡萄糖倍半硬脂酸酯，褐斑蝮蛇油、人参根提取物、薰衣草提取物、银杏叶提取物、丹皮、茶树油、蒲公英提取物、丹参提取物、连翘果提取物、金银花、紫花地丁、卡波姆，尿囊素，双咪唑烷基脲，透明质酸。

The research aimed to study the optimum concentration of urea slow-release agent formula.

［目的］探明尿素缓释剂配方的最佳浓度。

The aim of this study was to discuss the optimizing preparation conditions of polyvinyl alcohol hollow microsphere and its application in the production of slow-release urea fertilizer.

［目的］探讨聚乙烯醇空心微球的优化制备条件及其在尿素缓释肥生产中的应用。

The results of the study showed that the cholesterol, sodium, total protein and iron content of the yellow leg chicken were higher than the white leg chicken. Glucose, phosphorous, cholesterol, triglyceride, total protein in the blood of castrated chicken were higher as compared with non castrated chicken, but blood urea nitrogen was lower in castrated chicken.

试验结果指出黄脚胫的鸡在胆固醇、钠离子、总蛋白质和铁离子上比白脚胫的鸡为高，去势鸡其血中葡萄糖、磷离子、胆固醇、三酸甘油脂、总蛋白质均较不去势鸡为高，但血中尿素氮比不去势鸡低。

Results: The high plasma osmotic pressure caused by glucose would lead to the artefactual erythrocyte swelling (maximum CV is 63.04%). And the rise caused by sodium chloride or urea would not show an obvious effect in MCV detection (CV.5%).

结果：由葡萄糖导致的血浆渗透压升高使MCV测定值的假性增高（最大偏差可达63.04%，由NaCl及尿素导致的血浆高渗压对MCV测定的影响不明显（偏差＜1.5%）。

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。