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The results showed that there existed significant difference in the resistance of soybeans to cotton worm among varieties, record dates and years, and there also existed significant interactions between varieties and record dates, and between varieties and years.

结果表明,品种间、观测日期间、年份间抗虫性有极显著差异;品种与观测日期间互显著;品种与年份之间互极显著;年份之间抗虫性表现极显著相关。

The properties of the material and the operation method are also described in this paper, The advantages of the new matiral become more obvious, in comparison with other methods which are usually used in cranioplasty.

对该材料的性能及手术方法了介绍,对几种不同的颅骨修补材料了比较,认为该材料的突出优点是力学性能好,化学性质稳定,组织相容性好。

In order to solve the theoretical backlash problem of the teeth, which is crucial to the number of actual contact pairs of teeth in the research on multi teeth contact of crown gear coupling , the theoretical backlash of teeth flank with the concept of backlash angle is first time defined and described in the paper, and the minimization model of its variables is set up.

为解决鼓形齿联轴器多齿接触研究课题中的实际接触齿对数的关键技术轮齿理论间隙的问题,首次用间隙角的概念对轮齿理论间隙了定义和描述;建立了该变量的极小化模型;对一鼓形齿联轴器了实际优化计算,得出了鼓形齿联轴器多齿接触研究中计算实际接触齿对数所需的不同啮合状态下的最小间隙角

Under the microwave radiation, makes the catalyst with the potassium iodide,The sodium hydroxide makes the neutralization agent, synthesized the phenmethyl -2- naphthyl ether, take 2- naphthol and the chlorination animal pen as the raw material, Uses the single factor cut-and-try method, To a reactant mole of ratio, the catalyst and the solvent amount used, the microwave power, the radiation time and so on have conducted the research to the product receiving rate influence.

在微波辐射下,以2-萘酚和氯化苄为原料,用氢氧化钠碱剂,碘化钾催化剂,水-DMF为溶剂合成了苄基-2-萘基醚;采用单因素实验法,对反应物的摩尔比、催化剂及溶剂用量、微波功率、辐射时间等因素的影响进行了研究。

There isn"t obvious selectivity in blank cutworm imperilment, the onseting quantity and imperilling degree is similar on different crops. It"s more serious in the field of invasion of weeds and corn intercrop potato than single cropping of corn, and the field of forecrop green manure is more serious than single cropping. Imperilment degree of black cutworm is very serious in both high altitude region as Dewu (1780 meters) and low altitude region as Lemin (1450 meters). The imperilment degree in two regions have no obvious differences. 4. The imperilment of second generation armyworm is very serious in both high altitude region of Dewu and low altitude of Lemen town.

3小地老虎的为害对品种没有明显的选择性,各品种小地老虎发生量和受害程度相似;物对小地老虎发生为害程度影响较大,杂草丛生的地块和玉米与马铃薯间的地块受害程度明显高于玉米净地块,而前为绿肥的地块受害程度也比净高;土壤条件对小地老虎发生为害程度有影响,土质疏松、肥沃、团粒结构良好的地块受害程度明显比地势低洼、土质粘重、瘠薄的地块重;小地老虎在高海拔的德坞(1780米)和低海拔的乐民(1450米)两地发生为害均较重,为害程度没有明显差异。

Performance of the cathode material and cells were investigated and characterized by X-ray diffraction, cyclic voltammetry and constant current experiments.

将制得的复合材料正极,锂片负极,组装成扣式锂二次电池。比较了反应过程中酸处理、反应温度、反应时间等因素对δ-MnO2晶体有机改性的影响。

In this paper, a performance index, which is used to evaluate the operating uniformity of multi-cyclinder engine, is presented based on the fact that the fluctuation of gas pressure in the expansion stroke cyclinder leads to the fluctuation of instantaneous angular velocity. The value IP is propotional to the fluctuation of instantaneous angular acceleration. Fuzzy diagnostic index for misfire fault is introduced and investigated also in this paper.

根据多缸发动机曲轴瞬时转速波动不均匀性主要由缸内循环气体压力波动不均匀性引起这一基本事实,以曲轴瞬时转速的实时检测为基础,在一个工循环内按着火顺序将功冲程中瞬时角加速度的波动为评定各缸工不均匀性的指标,将所得IP模糊化用于多缸机的故障诊断也了初步的探讨。

The early church father Cyprian said,"He who has God for his father has the church for his mother."

初期教会的教父塞浦路斯说,"有神他父亲的人,就有教会他的母亲"。

Some conclusions were summarized as following: wood、 paper、 fabric and kitchen rubbish have the resemble pyrolysis characteristics; it is obvious that plastic"s decalescence happened during it"s pyrolysis process; the range of τ_max from great to small in sequence is plastic、 rubber、 fabric、 paper、 kitchen rubbish and wood.

其次,本文对垃圾典型组分的快速热解特性了研究,并同程序升温时的热解特性了比较,得到以下一些结论:木屑,纸屑,织物和厨余,其热解特性具有相似之处,微分转化率曲线均表现为单峰曲线;塑料在反应时存在较明显的吸热现象;τ_max(最大失重率所对应的时间)由大到小依次是塑料,橡胶,织物,纸屑,厨余,木屑。

Section 6.2 decidability of logical theories Section 6.2

其余未列出的部分要求深入掌握(能题目或难题,通过考试

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I didn't watch TV last night, because it .

昨晚我没有看电视,因为电视机坏了。

Since this year, in a lot of villages of Beijing, TV of elevator liquid crystal was removed.

今年以来,在北京的很多小区里,电梯液晶电视被撤了下来。

I'm running my simile to an extreme.

我比喻得过头了。