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Objective: To study synthesis of the new type pesticide Oxamyl.

目的研究新型杀虫剂杀线威的合成方法。

A new type of non-contact Petersen coil with on-line tap-changer is designed for the capacitive current compensation.

随着电力电子技术的逐渐成熟,电力电子器件晶闸管在电力设备中大量应用。

In the case of treating phenol wastewater the treating effect of new type organobentonite is always better than that of

与现有的有机膨润土相比,新型复合插层有机膨润土不仅具有良好的脱色性能,而且也具有很好的吸附、絮凝沉降性能。

It is introduced a new type of macromolecular phenolic high temperature antioxidant.

介绍了一种新型酚类大分子高温抗氧添加剂。

Base on above studies, some conclusions were obtained as follows:(1) ore-forming background of the studied ferromanganese crusts are mainly controlled by intensity of Antarctic Bottom Waters and variations of material source;(2) it is confirmed that the ferromanganese crusts are mainly hydrogenetic and their composition are affected by volcanic and continental material simultaneously; there are no obvious phosphatization reconstruction and element reaction occurred in them, so they have important paleoceanological significance;(3) from researches on element occurrence modes in the new-type ferromanganese crusts and the lying sediments, it is proposed that there is no great biological affection on the crusts formation and their composition mainly came from the adsorptive action of the ferromanganese oxides in them;(4) two major types of ore-controlling factors are identified through compilation of ore-controlling factors, which are geological and oceanic factors;(5) considering the long-term variation trends of the crusts composition, combing the U-series and 10Be isotope dating results, it is proposed that the ore-forming processes of ferromanganese crusts in the studied areas can be divided into three major stages (5.6~2.8 Ma, 2.8~2.7 Ma and since 2.7 Ma), and then the activities of AABW since the Late Miocene, changes of input flux coming from volcanic and continental material are confirmed.

通过研究,得出如下结论:(1)研究区铁锰结壳的成矿背景主要受控于南极底流强弱及物源供给的变化;(2)证实铁锰结壳主要为水成成因,同时其物质组成也受一定程度的火山和陆源物质的影响;结壳自形成以来没有遭受到明显的磷酸盐化等成岩后期改造和元素再迁移,具有重要的古海洋学意义;(3)通过新型铁锰结壳及下伏沉积物元素赋存状态的研究,认为生物作用对研究区结壳的形成并没有很大的直接影响,其物质成分主要来自于结壳中铁锰氧化物的吸附作用;(4)在控矿要素的研究中,归纳出了地质与海洋两大类结壳控矿要素;(5)根据结壳成分长周期变化趋势,结合铀系和10Be测年结果,将研究区结壳的形成过程划分为三个主要阶段(5.6~2.8 Ma,2.8~2.7 Ma和2.7 Ma以来),并确定了晚中新世以来研究区南极底流的活动情况、火山和大陆来源物质输入量的变化。

We designed and synthesized a new type of chiral phosphine ligand 32 with rigidity skeleton.

另外,还构建了一种结构新颖,具有刚性骨架的手性双膦配体32。

As a new type of supported catalyst, Ni-P coated carbon nanofibers,with high phosphonium content and amorphous structure, exhibit high catalyticactivity and stability in the reaction of nitrobenzene hydrogenization in liquid phase.

含磷量较高的Ni-P镀层纳米碳纤维具有非晶态结构,是一种性能优良的负载型催化剂,在催化硝基苯液相加氢反应中表现出高活性和稳定性。

The purpose of this paper is to synthesize some phosphonium salts with PPh3 and some chiral quaternary ammonium salts with L-Valine. And we also use L-Valine and L-Phe-OMe to synthesize a new type catalyst —2,5-diketopiperazine , the simplest compound of cyclo-peptide.

本文利用廉价易得的三苯基磷和手性L-缬氨酸作为起始原料,合成了几种普通季鏻盐和手性季铵盐,并且利用L-缬氨酸与L-苯丙氨酸甲酯反应,合成了一种新型的相转移催化剂——2,5-二酮哌嗪环类的化合物。

Photocatalysis as a new type of indoor air purification products of environmental protection, and its stability and long-term nature of society has been widely recognized in related fields.

光触媒作为一种新型的净化室内空气的环保类产品,其稳定性和长效性已经得到社会相关领域的广泛认可。

It is thought that dye-sensitized solar cells is a new type of photoelectric chemical solar cell with simple preparation procedure, low cost, stable photo-to-electric and friendly environment action, which make it a good alternative of photo-to-electric devices; in addition there is very important significance.

染料敏化太阳电池是一种新型光电化学太阳电池,它制作工艺简单,成本低和性能稳定,并对环境友好,具有很好的应用前景。

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The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应,而且减少跟风的可能性。

The new PS20 solar power tower collected sunlight through mirrors known as "heliostats" to produce steam that is converted into electricity by a turbine in Sanlucar la Mayor, Spain, Wednesday.

聚光:照片上是建在西班牙桑路卡拉马尤城的一座新型PS20塔式太阳能电站。被称为&日光反射装置&的镜子将太阳光反射到主塔,然后用聚集的热量产生蒸汽进而通过涡轮机转化为电力