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Through the comparison of the testing result of bolster and side frame, molding process without sand flask and with sand flask, as well as the comparison and analysis of casting defects, eventually, we found that the produc-tion of qualified casts was mainly affected by the maternal, technology and exogenous factors of resin bonded sand.

本文通过对摇枕、侧架无箱造型工艺和有箱造型工艺试验结果的对比，以及通过对铸件产生缺陷情况的对比和分析，最终确定合格铸件的生产，主要受树脂砂的原材料、工艺和外部因素综合影响。

Filed experiments of 2001 showed that treatments with fungicide either 2 days before or 2 days post inoculation, tebuconazole reduced the disease index of the spikes by 80.32% and 70.64, as well as increased grain yield by 12.95% and 8.74% in comparison to the untreated control. Application of metconazole led to decreases of the disease index by 80.5% and 68.0% and increases of grain yield by 11.41% and 11.45% compared with the untreated plants. In 2002, with the serious occurrence of the head blight, tebuconazole reduced the disease index of the spikes by 76.47% and 78.67% and metconazole reduced the disease index by 82.06% and 81.89% in comparison to the untreated control.

田间药效测定结果表明：与对照相比，接种前2d喷药与接种后2d喷药，2001年，戊唑醇可使小麦赤霉病病情指数分别减少80.32%和70.64%，产量增加12.95%与8.74%；羟菌唑可使小麦赤霉病病情指数减少80.5%和68.0%，产量增加11.41%和11.45%；2002年，在小麦赤霉病严重发生的情况下，戊唑醇能使小麦赤霉病病情指数减少76.47%和78.67%，羟菌唑能使小麦赤霉病病情指数减少82.06%和81.89%，产量增加极显著。

By comparison with conventional hydrostatic transmission, its power matches load well because it is adjusted by servo system. By comparison with secondary adjusting system being applied in industry newly, HESTS not only adjusts operation mechanism to match the system output and load well, but also adjusts engine or hydraulic pump, and manipulates the direction of power flow inputing or outputing the Energy Storage Unit actively. Therefore, HESTS can get energy of whole system matched well, increase the efficiency of system and performance of main machine. First, a HESTS applied in vehicle was designed.

由于对执行机构采用自动调节，系统的功率匹配合理，效率有较大提高；同新近发展起来并已被应用的二次调节系统相比，静压储能传动不仅通过调节执行机构来达到系统输出与负载的良好匹配，而且还调节原动机或液压泵，以及主动控制系统中储能元件的能量流动，因此能达到整个系统的能量合理分配，从而提高了系统的效率和整机的性能。

By the positive comparison with silages treated with fermentation-inhibiting additive, and by the negative comparison with the control, the effect and applicability of the two additives are evaluated as per the silage quality scoring system normally used in China.

通过与添加发酵抑制型添加剂组进行阳性对比，同时再与不添加任何添加剂的对照组进行阴性对比，根据国内青贮质量评分方案进行打分，判断这两种添加剂的添加效果及其可利用性。

Experiment 7 investigated the saccades feature and number distance effectusing the numerical comparison task under endogenous attention.Experiment 8 investigatedthe saccades feature and number distance effect using the numerical comparison task underexogenous attention.

实验7在内源性注意条件下，采用数字大小比较实验任务，考察数学学优生和学差生数字加工中的眼动特征和距离效应；实验8在外源性注意条件下，采用数字大小比较实验任务，考察数学学优生和学差生数字加工中的眼动特征和距离效应。

During the pipe pushing construction of the parallel steel water pipeline of Beidu-Yanger pipeline project in Ningbo, the pushing force in main pushing power station appeared unusual increasing and the construction had to be interrupted. Through the analytical comparison between theoretical and practical pushing curves as well as the analytical comparison between the tool pipe track and the form map of pipeline resting in soil, it was found that the excessive pushing force in main pushing power station was caused by excessive deviation adjustment angle which enabled the pipeline to over bend in a short distance.

在宁波市北渡－雅戈尔原水D1800mm钢管复线工程顶管施工中，出现主顶动力站顶力异常增大的现象，影响继续顶进施工，文章针对这一情况进行分析研究，通过理论顶力曲线与实际顶力曲线以及工具管所经轨迹与管道在土层中静止时的形态图的分析比较，得出主顶动力站顶力过大是因为在纠偏过程中纠偏角度过大，使管道在短距离内过度弯曲引起的。

Son of man, what becomes of the wood of the vine in comparison to every other kind of wood, of the pruned branch in comparison to that which was on the trees of the forest?

15：2 人子阿，葡萄树的木料比其余各种木料有什么强处？葡萄枝比林中众树的枝子有什么好处？

This article mainly introduced the city guard rail sweeps clear the vehicle in the development present situation and the present technology insufficiency, has analyzed the domestic formation product technical characteristic and the good and bad points, obtains the present water spray vehicle chassis situation through the contrast, then chooses this design through the analysis comparison each kind of plan, for instance said obtains the hydraulic transmission through the crosswise comparison to teach the mechanical drive the merit, then the further showing hydraulic transmission plan arrangement, obtains the entire wrap equipment on vehicle scheme of arrangement through the analogy, but also absorbs a present more advanced position to correct an error the system.

购买设计，请点击这里和我们直接沟通 QQ：95343510摘要：本文主要介绍了城市护栏清扫车的发展现状和目前技术上的不足，分析了国内成型产品的技术特点和优缺点，通过对比得到目前洒水车的底盘情况，然后通过分析比较选择该设计的各种方案，比如说通过横向比较得出液压传动教机械传动的优点，然后更进一步说明液压传动的方案布置，通过类比得出整套装置在车上的布置方案，还吸收了目前较为先进的位置纠偏系统。

Finally, the comparison analysis of the performance evaluation results is given as well. Some conclusions, which is the performance comparison of the single-layered LEO satellite network and the double- layered LEO/MEO satellite network's with the variation of network load, are derived thereby.

最后，对两个模型的性能评价结果进行了对比分析，得出了有关在网络负载变化情况下LEO单层卫星网络和LEO/MEO双层卫星网络的性能优劣比较结论。

This paper includes three parts:The first one is the comparison of VCP11 and VCP21 Recommending the Radar base data structures and reading 11 layers datas of the same elevation or so, establishing VCP22 patterns. Through the comparison of the products of two VCPs, stressing these factors, including the detecting of strong convection storm and the obvious effect products of prediction, such as ET CR VWP, RCS WER VIL SWP, etc.

本文包括3个部分：第一，新一代天气雷达两种体扫模式VCP11和VCP21的比较介绍了两种模式VCP11和VCP21基数据的数据结构，从其结构着手，读取VCP11中与VCP21模式仰角相同或者相差不大的共11层的数据，建立了VCP22模式，再由VCP11及VCP22模式的基数据生成的产品进行对比研究，重点比较了对强对流风暴探测和预报起较大影响的产品如回波顶高，VAD风廓线，垂直液态水含量，反射率垂直剖面，冰雹指数，组合反射率，弱回波区等。

In the days of sailing vessels the crew were afraid they would be becalmed on the ocean.

在使用帆船的时代，船员们担心他们会因为无风而无法在海洋上航行。

As long as foreign donors pay the PA's salary bill, few expect a new intifada.

只要外国继续为巴权力机构的薪水买单，希望发动新暴动的人便寥寥无几。