查询词典 three-dimension effect

Based for the purpose, this paper develops a simple way named analogue circuit to realize SPWM control. This new way is proved in the design of three- phase small power converter and get good effect.

基于此目的，本文提出用简单的模拟电路实现逆变器正弦脉宽调制的方案，并用此方法实现了小功率三相变频电压源的设计，得到较好的效果。

The results showed that the effect of compounds with three reagents was the best.

结果表明：三种试剂复合的效果优于单独或两种复合处理。

The experiment used Four kinds of farmland common herbicides (Fenoxaprop、Clethodim、Glyphosate、Fenoxaprop-p-ethl),MDA content、Leaf cell menbrane permeability、Chlorophyll content were tested under three treaments of different medicaments and combined with the growth index.The results showed:(1) When they were used in normal concentration,growth and the others physiological indexes had obviously different under four kinds of herbicides treatments.According to effects of four herbicides on Zanthoxylum bungeanum Maxim ,the effect of Glyphosate randed first,the rest ones were Clethodim、Fenoxaprop-p-ethl and Fenoxaprop.

以农田中常用的6.9%骠马水乳剂、24%收乐通乳油、88.8%飞达红水溶性粒剂、6.9%威霸水乳剂等四种除草剂为供试对象，通过对各药剂的三种浓度处理下花椒叶片中丙二醛含量、叶片中叶绿素含量、叶片中细胞膜通透性的测定，再结合生长量指标进行分析研究，结果表明：(1)在常用浓度下，四种除草剂对花椒生长量及各生理指标的影响有很大差异，飞达红影响最大，依次为收乐通、威霸、骠马。

The adsorption property of Cs+ by the three mineral materials was researched using continuum method,it offered some references for evaluating the disposition effect of mid-lower radwaste.

采用连续法研究了3种矿物材料对 Cs++的吸附性能，为评价中低放核废物处置效果提供一些参考依据。

In the experiment, three thawing methods, such as washing by water at 40℃, exposing at the room temperature of 25℃, and washing by tap water were used to estimate the effects of thawing methods on the survival rate after cryopreservation. The results showed that the relative survival rate of the calli with proembryos was higher than that of the general calli; and that different thawing methods had the same effect on the survival rate of longan calli by cryopreservation.

结果表明，具有原胚分化的胚性愈伤组织保存后的存活率明显高于普通胚性愈伤组织；40℃温水浴、25℃左右室温和自来水冲洗等3种不同的化冻方式对龙眼胚性愈伤组织玻璃化超低温保存后的存活率具有同样的效果。

In this thesis, the pressure effect on the electron-phonon interaction and the self-trapping energies of polarons in polar semiconductor quantum wells with finite barriers are discussed by considering the influence of three branches of optical phonon modes.

本文计入极性半导体量子阱中三支光学声子模的作用，讨论了有限深量子阱中电子—声子相互作用和极化子自陷能的压力效应。

And the effect of water pressure on concrete crack width is mainly studied; concrete crack width of penstocks in Three Gorges Hydropower Station is predicted in the end.

并重点研究了水头的变化对压力管道混凝土最大裂缝宽度的影响，最后对三峡电站压力管道混凝土结构裂缝进行了预测。

Therefore teachings ,This kind of technology in the sub－micron three oxidates wolfram is prepared to the means by means of the oxidate reduction ,Being living dominates the good temperature 、Hydrogen rate of flow and heat preservation time below the situation ,Is feasible completely ,Predictive effect can attain .

所以说，通过氧化还原的方法来制备亚微米三氧化钨的这种工艺，在控制好温度、氢气流量和保温时间的情况下，是完全可行的，能够达到预期效果。就以上一段话，我是小猫，5wmp不知够不够，可以商量，有点急~~~各位大人帮帮忙

High-speed railway abutment ; Earth pressure ; Three-dimensional finite element method ; Time effect ; Field test ; Numerical calculation

高速铁路桥台；土压力；三维有限元；时间效应；现场试验；数值计算

Due to their cumulative effect after several years, after several years the oestrogen levels were found to rise as much as two to three times.

由於它们的累积效果，数年后，经过几年的雌激素水平，发现引起高达两至三倍。

Finally, according to market conditions and market products this article paper analyzes the trends in the development of camera technology, and designs a color night vision camera.

最后根据市场情况和市面上产品的情况分析了摄像机技术的发展趋势，并设计了一款彩色夜视摄像机。

Only person height weeds and the fierce looks stone idles were there.

只有半人深的荒草和龇牙咧嘴的神像。