查询词典 effectual

The thesis mainly researches on the single phase AC/AC converter in the topologies including AC_Buck and AC_Cuk. Firstly, the operating principles of the two converters are analyzed in detail and the rules of their parameters design are educed; The commutation of their power switches which is the key of these topologies to realize is analyzed in detail and a feasible solution which can be named RCD-Commutation mode is presented and proved effectual by theory analyses and simulation results.

本文首先分析了AC_Buck变换器的变换原理，得出了电路参数设计准则；继而对电路实现的难点即功率管换流问题进行了深入分析，并得出了一种可行的解决方案即RCD换流方案；作为对简单拓扑单相直接AC/AC变换器控制策略的探索，本文以AC_Buck为平台，对电压单闭环瞬时值控制方案进行了研究，在理论分析和仿真研究的基础上设计并制作了一台采用RCD换流、电压单闭环瞬时值控制的AC_Buck变换器原理样机。

Hydraulic pile hammer is one of ideal prefabricated pile driving machines because it can adjust stress waveform ,decrease stress peak value,prolong effectual act

认为与桩等波阻的细长状锤体能够产生理想的应力波波形；在桩锤重量一定的情况下，可针对不同的地质情况和桩，通过选择不同刚

The study of compared effectual primers 3′ end sequences between RAPD analysis used in tomato and Operon system.

对番茄RAPD分析的有效引物与Operon引物系列的3′端序列作了统计比较。

Our solid tyre is especial in small rolling resistance,effectual to economize on fuel,not need to safeguard and maintain in the course of using,longe-lived,wear-resisting,bear the thorn to pitch,flexble to turn to,the vehicle openates steadily.lt overcomes the shortcomings such as pneumatic tyre inflating frequently,vehicle stability bad and unable bear the thorn to pitch.it is used to the mechanical vehicle of industey forkift truck,tractor,platform trailer ect.

该产品滚动阻力小，节油效果好，在使用过程中无需维护保养，使用寿命长，耐磨耐刺扎，转向灵活，车辆运行平稳。克服了充气轮胎需要经常充气，车辆稳定性差，不耐刺扎等缺点。主要是工业机械类车辆用胎（叉车、牵引车、平板拖车等），是冷冻库物流库、立体库，自动化流水线车间、石材加工厂、机械加工厂等特殊场地车辆的首选产品。

During the aplastic stage after hematopoietic stem cell transplantation, transfusion of platelet, anti-hemorrhage drugs and glucocorticoid were proved to be effectual methods to control the hemorrhagic complications of patients.

结论在造血干细胞移植后骨髓空虚期，及时采用输注新鲜单采血小板、应用止血药物及糖皮质激素等措施，能够有效控制患者出血并发症的发生。

The use of CAXA entity software provides the effectual security for 3D physical design of the turning attachment of emulsion pump three-throw crankshaft,in assembling and animation simulation,reflecting the work principle of scale division,examining interference and installing、debugging、maintaining tongs.

应用CAXA实体设计软件对乳化液泵三拐曲轴车床夹具的三维结构设计、装配及动画模拟，反映分度车床夹具的工作原理，检查分度机构的设计是否合理及干涉情况，为安装、调试、维护夹具提供有效的技术保障。

When scanning, from light transmitter beams shines on the bar code on the basis of the photoelectric detector from bar code on the binvalidation of the reflected light intensity to respond to that, when scanning a white spot sweep to the surface or in two in the space between the black line, the reflection of light intensity, high current output a detector; when the scan-to-black lines, reflected light, detector output UN-effectual, on the basis of narrow-striped width or length of time made in response to changes in light and shade with bar code and converted to a little different current signal, after a post to the bezze codec.

扫描时，从平发射器发不入的平束照在条码上时，平电检测器根据平束从条形码上不直射返来的平不不弱度息不入回答，当扫描平不背扫到白纸背上或处于两条暗线之间的空缺处时，不直射平不不弱，检测器输不入一个不小电流；当扫描至暗线条洋时，不直射平不弱，检测器输不入小电流，并根据暗线宽或广息不入工夫不幼短差别的反响，随着条形码明暗的改变变化为人小差别的电流暗记，经过放不小后运输到泽码器洋去。

This paper based on the low gas permeability coal seam 416 stope working face of Tongchuan mineral bureau,we analyzed the mechanism of the hydraulic cutting seam to improve the gas permeability coal seam,by this study,it shows the hydraulic cutting seam technology is effectual measure and it is provided with nicer practically and capacious foreground.

文章以铜川矿务局陈家山煤矿低透气性416综放工作面为研究背景，深入研究了水力割缝增强煤层透气性的作用机理，试验表明了水力割缝的确是一种提高低透气性煤层瓦斯抽放的有效措施，并具有良好的实用性和广阔的推广前景。

Be in these places to add online station advertisement is special effectual, such, no matter you are hair theme post, still be the card of reply others, your autograph advertisement can follow your card and come out, going up somehow say, this is a kind of low cost, the promotion means of high income, the stationmaster that is equal with PR exchanges word of one later development to link, can take two visits amount through join already, in the meantime, also benefit is optimized at what the search ranks.

在这些地方加上网站广告是非常有效果的，这样，无论你是发主题帖，还是回复别人的帖子，你的签名广告都会随你的帖子而出来，在某种程度上说，这是一种低成本，高收益的推广方式，和PR等同的站长交换一下文字链接，既可以通过连接带两个访问量，同时，也利于搜索排名的优化。

To this visible church Christ has given the ministry, oracles, and ordinances of God, for the gathering and perfecting of the saints in this life, to the end of the world; and does by his own presence and Spirit, according to his promise, make them effectual to it.

1Co 12：28 Eph 4：11-13 Mt 28：19-20 Isa 59：21 3 ），以这个有形教会基督给财政部，签，和法令的上帝，为收集和完善的圣徒在此生活，到去年底，世界上并没有由他自己的存在和精神，根据他的许诺，使他们有效地给它。

Cynanchum Lingtai apricot production in the average weight 65 grams, the brightly-colored fruit, juicy rich, sweet-sour taste, sweet from the nucleolus, when the late Qing Dynasty famous Shaanxi, Gansu provinces, the Qing imperial court Tongzhi tribute for years.

灵台生产的牛心杏平均单果重65克，果实色泽鲜艳，汁多味浓，甜酸适口，离核仁甜，清末时就驰名陕、甘两省，清同治年间曾为朝廷贡品。

Chenopodium album,Solanum nigrum, and Amaranthus retroflexus were very susceptible to the herbicides. Polygonum persicaria and Abutilon theophrasti were relatively less susceptible to the herbicides, and Lycopersicon esculentum was not susceptible to it. The relationship between reduction rates of weed biomass and PPM values of weed leaves 2,4, and 6 days after treatment was established.

供试的6种杂草对该混剂的敏感性存在显著差异：红心藜Chenopodium album、龙葵Solanum nigrum和反枝苋Amaranthus retroflexus对该混剂最敏感，ED90值分别为47.65、71.67和29.17g/hm2；春蓼Polygonum persicaria和苘麻Abutilon theophrasti敏感，ED90值分别为96.91、114.20g/hm2；而番茄不敏感。