查询词典 urea-formaldehyde

During the Normal cultivation, optical colorimetric method was used to analyze the cells' metabolites and exudates: Urea and ALB.

它能在细胞正常培养过程中，通过光学比色的方法分析培养液中细胞合成及代谢的产物－尿素和白蛋白，从而得到细胞的功能活性。

As support, Agarose can benot only used in normal condition, but also in denaturalization (for example, 6 mol/Lhydrochloric acid carbamidine or 8 mol/L urea). Herein, the preparation of IMACmatrixes were conducted using agarose as support, carboxymethylated aspartate as chelating ligand and Co~(2+) and Ni~(2+) as chelating center ions.

本实验用琼脂糖作为基质，选用四配位，与金属离子有较强作用力的羧甲基天冬氨酸为配基，以Co~(2+)、Ni~(2+)作为螯合金属离子，合成了一系列金属螯合亲和色谱填料，并对其蛋白质分离性能进行了研究。

Effect of decomposition conditions on the ratio of seeded decomposition and properties of precipitation products from sodium aluminate solutions with the very light boehmite seed prepared from the hydrothermal homogeneous precipitation between aluminum sulfate and urea, was studied. Mechanism of the very light boehmite precipitation process was also analyzed.

以硫酸铝和尿素水热均相沉淀合成的低密度－水软铝石为晶种，研究分解条件对溶液分解率和分解产物性质的影响，还对从铝酸钠溶液析出低密度－水软铝石的过程进行了初步分析。

Effect of decomposition conditions on the ratio of seeded decomposition and properties of precipitation products from sodium aluminate solutions with the very light boehmite seed prepared from the hydrothermal homogeneous precipitation between aluminum sulfate and urea, was studied. Mechanism of the very light boehmite precipitation process was also analyzed.

摘 要：以硫酸铝和尿素水热均相沉淀合成的低密度一水软铝石为晶种，研究分解条件对溶液分解率和分解产物性质的影响，还对从铝酸钠溶液析出低密度一水软铝石的过程进行了初步分析。

A series of Ni-V/γ-Al2O3 catalysts were prepared and used in the one-step synthesis of aniline from benzene, hydrogen peroxide, and aqueous ammonia and/or urea.

设计并制备了Ni-V/γ-Al2O3催化剂，研究了其上苯用过氧化氢氧化氨化一步直接合成苯胺的性能和不同氨基源对合成苯胺的影响。

Chemical – urea production, ammonium carbamate pumps, pressure vessels, heat exchangers, piping, fittings, valves and pumps.

化学工业：尿素生产，甲铵泵，压力容器，热交换器、管、连接件，阀门和泵

Methods there 2 395 patients from ten counties or cities in han group in hainan at gastrointestinal out-patient department of the hospital were detected by rapid urease test of h.pylori and gastroscope. the posititives of rapid urease test of h.pylori were determined with 14c-urea breath test (14c-ubt).two positive tests were confirmed to be infected with h.pylori.

选择海南汉区10个县市2 395例具有上消化道症状就诊患者，经胃镜检查并取胃窦黏膜做h.pylori快速尿素酶试验，阳性患者做14c呼气试验，两者阳性确定为幽门螺杆菌感染。1 004例幽门螺杆菌阳性患者取胃窦及病变部位胃黏膜做病理组织检查。

Objective To survey the prevalence of Helicobacter pylori in gastrointestinal out-patient department in Han group in Hainan. Methods There 2 395 patients from ten counties or cities in Han group in Hainan at gastrointestinal out-patient department of the hospital were detected by rapid urease test of H.pylori and gastroscope. The posititives of rapid urease test of H.pylori were determined with 14C-urea breath test (14C-UBT).Two positive tests were confirmed to be infected with H.pylori. Biopsy was performed on 1 004 patients positive for H.pylori. 113 healthy people were enrolled in control group.

目的 调查海南汉区在消化内科就诊患者中幽门螺杆菌（Helicobacter pylori，H.pylori）感染患病情况，以及幽门螺杆菌感染与胃黏膜病理的关系方法选择海南汉区10 县市2 395例具有上消化道症状就诊患者，经胃镜检查并取胃窦黏膜做H.pylori快速尿素酶试验，阳性患者做14C呼气试验，两者阳性确定幽门螺杆菌感染。1 004例幽门螺杆菌阳性患者取胃窦及病变部位胃黏膜做病理组织检查。

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。