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Preparation of water purifying agent from analcite rocks and study on its fluorine removal ;2. The influences of activation method of active magnesium oxide, activating conditions, generation conditions, fuorine absorbing capcity and various technological factors on fluorine removal were studied.

对活性氧化镁的活化方法、活化条件、再生条件、吸氟容量及各种相关工艺因素的研究，表明活性氧化镁的吸氟容量大、净化后的水中含有约7mg／LMg2＋，有益于人体健康，是含氟饮矿泉水的理想除氟工艺。

Nowadays,there are many methods of analgesics,and various drugs have been used in postoperative analgesia.

术后镇痛的方法多种多样，药物的研究日趋广泛。既要注重镇痛的效果，更要注重镇痛的质量。

In some information processing architectures, the role of various analog and digital data comparisons is very important.

在一些信息处理结构中，模拟数据和数字数据相互比较是非常重要的。

Among various analog signal,there is one kind can expressed as linear sum of existing signal.

在这些信号中有一类信号可以分解为一些已知信号的线性和。

On the basis of analog we have built various industrial economic grey models,and compare t...

在类比的基础上建立各种产业经济的灰色预测模型。

The method of analogue is one that analyzes the similar characteristics between various things and classifies them.

"变"是事物发展永j值的规律。人们的生活方式、生活条件、所处的社会物质与精神环境在变，其审英趣味及对生活的各种标准也不断因之而变化。

Meanwhile, various teaching methods such as the case teaching method, the scene analogue method and the game competition are indispensable

案例教学法、情景模拟法、游戏竞技法等多种教学方法的使用很是必要。

Single loop instantaneous voltage feedback control and multiple loop feedback control, which can be realized by digital method or analogue method, are normal control strategies of inverter. The controller's performance of a same control strategy designed by different designers is different This paper makes out uniform analysis and design theory of inverter control strategies with pole-assignment technique of state-space theory for the first time. It is firstly proposed that controller parameters being equal to control system orders is the base of realizing high performance inverter. Design and performance comparability of various controllers is presented with uniform pole-assignment method.

本文首次采用状态空间理论的极点配置技术，对逆变电源的几种控制策略进行了统一的分析和设计，首次提出控制器控制参数与控制系统阶数相等是高性能逆变器控制实现的基础，并通过极点配置这种统一的设计方法对各种控制器进行了设计和性能比较，分析了要考虑的一些非理想因素的影响。

An exstensive research on the calculation formulas for the abutment cone slope on skewed bridges is conclucted.Calculation formulas of key parameters on slope curve are derived through analytic calculation of ellipse curve at slope bottom.The values of parameters are discussed and various forms of cone slope and curve at slope bottom are detailed.

以斜交桥梁桥台锥坡为锥坡的一般形式展开较深入的研究，通过对坡脚椭圆曲线的解析计算，推导得出坡脚曲线各控制参数的计算公式，并对其取值进行讨论，详细说明了锥坡和坡脚曲线的各种形式；进而推导了斜交锥坡的体积、护坡体积、表面积和基础体积的计算公式。

Then through the research and analysis of various safe problems of the electronic commerce, it is putting forward viable solutions, and carrying on an overview to the safe technique of the electronic commerce, then taking an analytic comparison between SSL, SET protocol which spreading nowadays, pointing out advantage and shortage respectively, and telling its development trend.

因为各种安全漏洞，网上支付的欺诈现象频频发生，使得人们不得不对许多问题防范有加，从而阻碍了电子商务的健康发展，解决电子商务的安全问题已经迫在眉睫。相信如果消费者和商家能在一个安全快捷的电子商务环境进行交易，那么电子商务的优势会发挥得淋漓尽致。

Since historical times,England ,where the early inhabitants were Celts, has been conquered three times .

从有历史以来，英国，在此地早期居住的是凯尔特人，已经被征服了三次。

Bluetooth OBEX File Transfer Enables the sending and receiving of files on your phone via Bluetooth.

蓝牙OBEX文件移动允许经过蓝牙传送和接受文件。。。。