查询词典 phosphorus

This research aims at indicating the influence rule of hydrophyte silt on the nitrogen and phosphorus transformation in soil treatment and restoration systems. Then provide basis for the harvestry in the operation and management of these systems.

为揭示含植物的土地处理与修复系统中植物衰亡对系统中氮和磷转化的影响规律，为此类系统运行管理中植物收割与否提供依据。

This article submits some suggestions about the effect of the hydrophyte s on wastewater and lake treatment by summaring the hydrophyte s' purging to all kinds of pollutants such as nitrogen,phosphorus,heavy metal and deleterious organic.

随着经济的发展、工农业废水的排放，水体被大量污染。通过水生植物对氮、磷，重金属及有毒有机物等各类污染物的清除作用的了解。对水生植物在废水处理和湖泊治理方面提出了相应的建议。参4

The results indicated that the reduction of hypophosphite to phosphine was carried out most easily among three kinds of phosphorus compound.

在等量的电子供体下，次亚磷酸盐的去除率分别是亚磷酸盐和磷酸盐的1.23倍和1.15倍，来源：ABC4a论a9文网www.abclunwen.com

Acid electroless nickel phosphorus plating on PZT ceramic was studied with hypophosphite as a reducing agent.

以次亚磷酸钠为还原剂，在压电陶瓷表面进行酸性化学镀镍磷。

Many studies of phosphorus,glucose,hypoxanthine and cytoplasmic factors on early embryo developmental block carried out by different methods such as morphology,biochemistry,molecular biology and micromanipulation have been reviewed.

对此，人们用形态学、生物化学、分子生物学、显微操作等手段开展了磷酸、葡萄糖、次黄嘌呤和细胞质因素对早期胚胎发育阻滞的影响的研究。

And when using benzene as solvent, amorphous phosphorus nitride imide were obtained, which were consisted of microtubes, hollow balls, solid balls and square frameworks. Through adjusting reaction time and temperature, the morphology of the samples was well controlled.

进一步引入苯作为反应的溶剂，在高压反应釜中在190-250℃反应得到了由微管、空心球、实心球和四方框组成的非晶HPN〓，并通过调节反应时间和温度使产物的形貌得到了很好的控制。

The synthesis process comprises using chiral phosphorus acid as catalysis, synthesizing 2-(4, 7-indoline) compound in high efficiency and highly enantioselective by using sulfur imide and 4, 7-indoline compound, and products can be used to prepare several 2-dimethylamino indoline compounds with high optical activity through oxidation reaction.

以手性磷酸作为催化剂，由磺酰亚胺和4，7-二氢吲哚化合物可以高效率高对映选择性的合成2-甲氨基(4，7-二氢吲哚)化合物；产物可以经过氧化反应用于制备多种高光学活性的2-甲氨基吲哚化合化合物。

Phosphorus impregnation of Beta would reduce its isomerization at higher temperature.

可见合适的酸强度和充足的酸量对此反应的重要性。

The utilization of the 1981 IRRDB Hevea germplasm is very slow in China. For further characterization and evaluation of the germplasm, an analysis was made to evaluate the characteristics of latex regeneration and latex flow of the new Amazon Hevea germplasm by the method of latex diagnosis. Nine accessions of the germplasm were determined in terms of physiological parameters such as yield, initial flow rate, plug index, sucrose, thiols, phosphorus, magnesium, etc, with RRIM600 as the control.

我国橡胶树新种质创新利用进展缓慢，为了深入全面的鉴定橡胶树新种质，加速其利用进程，笔者采用胶乳诊断方法，测定分析了1986年定植于大田鉴定评价圃的14份橡胶树新种质与产排胶密切相关的干胶含量、干胶产量、排胶初速度、堵塞指数及胶乳硫醇、无机磷、蔗糖及镁离子含量等生理参数。

Because of the inflammability of yellow phosphorus itself and other induction factors,the leakage of phosphorous slurry always happen,which can lead to fire and burn.

泥磷回收制磷属于化学危险品生产，由于黄磷本身的易燃特性和生产中其他因素的诱导，极容易发生泄漏引发火灾和灼伤。

For a big chunk of credit-card losses; the number of filings (and thus charge-off rates) would be rising again, whether

年美国个人破产法的一个改动使得破产登记急速下降，而后引起了信用卡大规模的亏损。

Eph. 4:23 And that you be renewed in the spirit of your mind

弗四23 而在你们心思的灵里得以更新