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To achieve this purpose, the authors have investigated the current technological conditions in delead and dearsenic processing and made detailed analysis of alkalescency solution laden with arsenic and lead content as well as the influential factors involved.

实验结果表明，经脱砷和脱铅后，Sb以锑精矿形式产出，可作为炼锑的原料；Pb以 Pb Cl2 或铅渣形式、Sn以锡渣形式产出，其品位较高，可作 Pb或 Sn冶金的原料；该工艺具有化工试剂消耗少、综合利用率高、污染小、易于实现大规模工业化等优

Meanwhile , frame structures are used as study object , the straightened algorithm which has better calculation precision with fewer calculation time is chosen as amende .

本文以框架结构为研究对象，在修正方法上选择了计算量小且修正精度较高的拉直算法，为验证提出的可靠性指标的可行性，对四组设计参数分别进行了修正模型和地震作用下的广义预测控制可靠性分析，从结果对比可知，本文所定义的可靠性指标具有一定的可行性，并且本文方法计算量较小。

By comparing the activity of theα-amylase and the soluble acid invertase in the kernel and the pedicel, the trend of theα-amylase activity in the kernel and the pedicel showed a peak, theα-amylase activity was high in the early stage, it could promoted amylolysis, supply the nutrition for the kernel development; theα-amylase activity was low in the rapid filling stage, it was in favorable to the starch accumulation.

通过比较籽粒和小穗柄中α-淀粉酶和可溶性酸性蔗糖转化酶的活性表明，籽粒和小穗柄中α-淀粉酶活性均呈单峰变化趋势，籽粒发育早期α-淀粉酶活性较高，可以促使淀粉转化，为籽粒的早期的发育提供营养物质；籽粒发育中期为快速灌浆期，淀粉酶活性较低，利于淀粉的积累。

We firstly bring forward and realize technologies of arbitrarily shaping laser pulse in the time domain by chirped pulse stacking, programmablely shaping spatial intensity by crystal liquid diaphragm, focused spot smoothing using angular spectrum dispersion by special gratings and detecting and compensating the small patch wave front aberration. Precise, programmable, efficient and \'all parameters\' condition of high power laser system has been obtained.

首次提出并实现了啁啾脉冲堆积型的时间波形任意整形；液晶光阀可编程光强空间整形；特殊光栅光谱角色散焦斑束平滑和小尺度波前畸变的探测和补偿，从而对高功率激光系统的激光束实现了高精度、可编程、有效的"全息"控制。

Under the condition, the anolyte of Na2FeO4 in the concentration range from 0.39-0.47mol/L could be obtained by electrolyzing the iron anode in 16mol/LNaOH solution during 4-6h in the temperature of 308K.

通过研究固体和液体高铁酸盐以及它们的绿色分解产物的化学以及电化学性能，得出以下结论：一、当FeO_4~(2-)溶液的碱浓度越小，加热温度越高时，生成绿色溶液的时间越短。

It has good properties, such as, wettability, high flash point and viscosity, low pour point, and little action on metal and rubber. So it can decrease the friction force of moving surface to enhance antifriction.

具有良好的湿润性、高闪点和高粘度、低倾点等优良性能，对金属和橡胶的作用很小，减小运动表面间的摩擦力，提高抗磨损能力。

By the process of numerical control machining ,carrier antrum of high quality is made out,and the efficiency is improved.

介绍了采用高速数控雕铣机床加工一种尺寸极小、精度要求较高的有色金属零件，利用数控加工的一般流程，体现了高速数控加工的突出特点，加工出高品质的微波芯片零件，大大提高了其加工效率。

Measures such as area ratio (the area under the aperture opening divided by the surface area of the aperture wall) and aspect ratio (aperture width divided by stencil thickness) can be used to determine appropriate aperture sizes.

因此，严格控制孔的质量是钢网成功设计的关键。特别是小量沉积材料要求精度高时的高精度要求。

Two new functions based on the property of bubble wavelet are proposed. An approximate 2nd derivative of an analytical signal can be obtained by applying n times of the wavelet transform to the signal, the signal-to-noise ratio can be enhanced greatly.

根据小波的定义和墨西哥帽小波的一些特点提出了两种简单的窗口函数，利用它们对模拟高斯信号求2n阶近似导数的同时滤除了噪声，同时还可分离重叠峰，并讨论了尺度因子对变换结果的影响。

Paradoxically, in the only clinical study evaluating the relative contributions of DDD and facet arthropathy to chronic LBP, Schwarzer et al.98 found the combination of discogenic and l-z joint pain to be a relatively rare occurrence.

相反的是，在单纯的临床研究中，评价DDD及小关节病在下腰痛中的地位时，Schwarzer等发现，椎间盘源性和小关节源性的腰痛发生率皆不高。

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。