查询词典 Al

In order to further study the systematics and evolution of the family Hamamelidaceae, the five modern different classification systems of this family published by Harms (1930), Chang Hung-ta (1973,1979), Bogle et al.(1980), Endress (1989) and Li Jianhua (Li, 1997) are compared and discussed by the author based on the principle and method of study plant systematics.

为了进一步研究金缕梅科的系统与进化，作者详细介绍了该科的分类历史及各个分类系统；根据现代植物系统学研究的原理和方法，着重对金缕梅科的5个现代主要分类系统，Harms (1930)，张宏达(1973，1979)， Bogle et al。

The coupling effect of high intensity nanosecond laser pulse with Al or CH plasmas are studied using the hydrodynamical equations which are one dimesional,double temperature,single fluid.

研究了高强度（1012～1014W／cm2），纳秒脉冲激光与Al、CH 等离子体的耦合效应。

This paper reviewed the research on dynamic and balance of soil nutrient pool under long-term fertilization conditions,mainly about some active aspects which included dynamic variations of total nitrogen,available N,total phosphorus,available P,total potassium,available K,and organic carbon in soil; dynamic variations of ammonium N,amino acid N,amino sugar N,unknown N,non hydrolyzable N and microbiomass N in soil nutrient pool; changes of Ca2-P,Ca8-P,Al-P,Fe-P,O-P,labile organic P,moderately labile organic P,moderately stable P,highly stable P and microbiomass P in soil; changes of loosely,stably and tightly combined humus,humic and fulvic acids in soil carbon pool; effects of long-term fertilization on organic-mineral complex status in soil; nutrients cycling and balance of agricultural soil nutrients pool.

扼要地概述了国内外近年来关于长期施肥条件下土壤养分库的动态与平衡方面的研究成果。主要介绍并讨论了土壤氮、磷、钾养分全量及有效量的动态变化，土壤有机碳含量的动态变化；铵态氮、氨基酸态氮、氨基糖态氮、酸解未知态氮、非水解残渣氮及微生物体氮在土壤氮库中的动态变化；Ca2 P、Ca8 P、Al P、Fe P、闭蓄态磷，活性有机磷、中度活性有机磷、中稳性有机磷、高稳性有机磷及微生物体磷在土壤磷库中的动态变化；土壤碳库中松结态腐殖质、稳结态腐殖质、紧结态腐殖质以及富里酸和胡敏酸的动态变化；长期施肥对土壤有机无机复合状况的影响；农田土壤养分库的养分循环与养分平衡。

Studied the coordination chemical reaction of Fe、Co、Ni、Cu、Mg、Ca、Al with TC,OTC,CTC and the ternary association of Co-OTC、Ni-CTC with DAN,we found that the formation of new compounds improved significantly the hydrophilic properties of TCs,the TCs are transformed into hydrophobe from hydrophilic matter.

2研究了Fe、Co、Ni、Cu、Mg、Ca、Al与TC、OTC、CTC之间的配位化学反应和Co-OTC、Ni-CTC与DAN之间的三元缔合作用，发现新化合物的形成显著改善了TC、OTC、CTC的亲水性能，使其由亲水物质转变为疏水物质，有利于提高亲水有机溶剂气浮浮选体系对水样中痕量四环素类抗生素的测定灵敏度和分离/富集效率。

Mg-Al composite oxides catalyst is produced from a typical structure of hydrotalcite brucite-layer by precipitation.

以沉淀法制备了以水滑石为前驱体的Mg-Al复合氧化物催化剂。

But people who experience panic attacks are hypervigilant to somatic sensations Schmidt et al.

可是那些体验惊恐袭击的人们对躯体感觉保持了超级警惕Schmidt et al。

The effects of pouring temperature on microstructure and hardness of hypoeutectic Al-Si alloy have been studied.

研究了不同浇注温度对亚共晶Al-Si合金的组织和硬度的影响。

The influence of alternating current magnetic fields on the solidification structure of hypoeutectic Al-7%Si alloy was studied.

中文摘要：研究了在交流磁场下凝固的Al-7%Si合金晶内Si溶质元素含量及凝固组织的变化。

With the thermal analysis the paper researches the solidification process of the hypoeutectic Al-Si alloy.

用热分析技术分析亚共晶Al-Si合金的凝固过程，发现样杯模数、样杯结构是影响其凝固过程特征的主要因素。

Grain refining in hypoeutectic Al-Si casting alloys has become an essential practice of melt treatment.

对亚共晶Al-Si铸造合金进行细化处理已成为一种基本操作。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。