稀释

Al〓O〓-TiC and Al〓O〓-TiB〓 ceramic composites were synthesized using TiO〓, Al and graphite and TiO〓, Al, and amorphous B〓O〓 powders via aluminothermic reactions, respectively.

采用TiO〓、Al和石墨原料合成了Al〓O〓-TiC复相陶瓷，研究了压坯压力、试样直径、原料中铝粉和石墨颗粒、TiO〓的晶型、过量铝和Al〓O〓稀释剂等对燃烧合成过程及产物微观结构的影响。

This experiment is studying the quantities of Change development about the Microorganism Vicinity Manpower wet land with MPN,Last we work out the the quantities of Nitrification bacterium、Oppose the nitrification bacterium and Aminate a bacterium in water Unit volume with Biostatistics.we analysis gets conclusion that the quantities of Three kinds microorganisms is the most Vicinity Manpower wet land according to the last data.

本试验采用稀释培养计数法对湿地附近水中微生物的数量变化动态进行计数调查，最后用最大可能数法求出单位体积水样中硝化细菌、反硝化细菌和氨化细菌三类微生物的数量。根据最终数据分析得到的结论是：在人工湿地附近的水中氨化细菌、硝化细菌、反硝化细菌的数量是最多的。

With locally preponderant duckweed after selection and alternanthera philoxeroides cultivated in single species and accrete system, performance on removal efficiency of nitrogen and phosphorus in municipal wastewater and diluted anaerobically pretreated wastewater from a cattle farm were investigated.

以经筛选得到的本地优势浮萍和水花生为研究对象，通过设置浮萍、水花生单种和浮萍－水花生混养等三种体系，考察了其对生活污水和稀释的牛场厌氧废水N、P的净化效果。

A home made spray system was used on insecticide experiment on parasitic wasp, Anastatus japonicus Ashmead. This system was associated with bioclimatic chambers to provid a series simulated farm conditions for the experiment of testing the insecticide toxicity on A.

根据生产的需要，研制实用仿真农药喷雾实验系统，配以一定数量的大功率人工设备，并以几种典型的常用农药为例，探讨荔枝蝽卵平腹小蜂在仿真喷雾条件下死亡率与农药田间使用浓度的再稀释浓度的关系。

In this paper, a series of 4,5-dithiacrown ether annulated 1,3-dithiole-2-thiones 8a~8d were prepared via condensing 4,5-bis-1,3-dithiole-2-thione (7) with 1,ω-dimercapto polyglycol derivatives in high dilution. The obvious template effect was found during the synthesis of 8c-8d.

在高度稀释条件下，经4，5-二溴甲基-1，3-二硫杂环戊烯-2-硫酮(7)和多缩乙二醇的1，ω-二巯基衍生物的缩合反应，方便地合成了4，5-位带二硫杂冠醚残基的2-硫代-1，3-二硫杂环戊烯的衍生物8a~8d，中间体硫杂冠醚8c~8d的合成中有明显的&模板效应&。

In this paper, a series of 4,5-dithiacrown ether annulated 1,3-dithiole-2-thiones 8a~8d were prepared via condensing 4,5-bis-1,3-dithiole-2-thione (7) with 1,ω-dimercapto polyglycol derivatives in high dilution. The obvious template effect was found during the synthesis of 8c-8d.

在高度稀释条件下，经4，5-二溴甲基-1，3-二硫杂环戊烯-2-硫酮(7)和多缩乙二醇的1，ω-二巰基衍生物的缩合反应，方便地合成了4，5-位带二硫杂冠醚残基的2-硫代-1，3-二硫杂环戊烯的衍生物8a~8d，中间体硫杂冠醚8c~8d的合成中有明显的&模板效应&。

Under high dilution,the cross-coupling reactions of 4,5-dicyano-1,3-dithiol-2-one(6) and dithia crown-ether annulated tetrathiafulvalenes(3a～3c) in toluene gave asymmetrical dicyano tetrathiafulvalene derivatives(7a～7c) in the presence of triethyl phosphite.The compounds 7a～7c were characterized by(~1HNMR,EA,MS and IR.

在甲苯溶液中，在亚磷酸三乙酯存在下，采取高度稀释的方法，使4，5-二氰基-1，3-二硫杂环戊二烯-2-酮分别和多缩硫杂冠醚进行交叉偶联反应，成功地得到了不对称的2，3-二氰基四硫富瓦烯衍生物。

The results show that the antiblock agent KF - 862 has good antiblock ability and anti - recrystallizing ability. It can be used directly under the existing process conditions and only the preparing tank of the agent and transporKey words: antiblock agent ; potassium chloride ; surfactant

结果表明，KF-862防结块剂具有阻结块能力和抗再结晶能力；KF-862药剂可在现有工艺条件下直接使用，不需对工艺路线做任何改动，只需增加配药罐和药剂输送泵等设备；药剂稀释倍数以低于10为宜，1t氯化钾添加1.0—1.5kg药剂，喷淋在干燥滚筒出口处的产品输送皮带机或流化床前圆筒筛给料斗，对正常生产不会造成影响。

Usage: Before using this defoamer, the user shall test the defoamer according to actual condition so as to confirm the compatibility of the defoamer and the system for antifoaming.

用 法：在使用本消泡剂前，用户要根据实际情况进行实验，确认消泡剂和待消泡体系的配伍性，只有相互匹配的体系，才可以使用本产品；使用时，建议先用水或待处理介质将消泡剂稀释均匀后再加到体系之中，也可直接加入。

The petroleum ether extacts,ethyl acetate extracts and methanol extracts from roots of Aristolochia debillis Sieb.et Zucc.

通过琼脂平板扩散试验和双倍稀释试验，对青木香Aristolochia debillis Sieb.et Zucc。

In the negative and interrogative forms, of course, this is identical to the non-emphatic forms.

。但是，在否定句或疑问句里，这种带有"do"的方法表达的效果却没有什么强调的意思。

Go down on one's knees;kneel down

屈膝跪下。。。下跪祈祷