滤

Longer reaction time (48 h) and increase of hydrogen fluoride and catalyst are good for fluorination.

反应后的滤渣可再生为氧化汞循环使用，回收3次，反应的转化率和选择率均大于85%。

Based on the study of spectrum, the components and technology requirement of time-resolved fluorometer were presented And a concrete method to actualize the system of pulsed Xenon lamp and the assemblage of filter setting was developed Sound clinical evaluation project was designed At last, clinical evaluation of the time-resolved fluorometer was conducted.

在光谱研究的基础上，讨论了时间分辨荧光免疫分析测试仪的各个组成部分及其技术要求，提出了脉冲氙灯和聚光滤光系统的具体实现方法，制定了合理的临床评价方案，并对制成的测试仪样机进行了临床应用性能实验。将我们研制的时间分辨荧光免疫分析仪与国外先进同类型仪器进行一系列对比测试实验后，经相关回归分析所得出的相关系数都在99.5％以上，显著性检验小于0.01。

Besides, the dark state is created by cholesteric's scattering effect in focal conic state and polarizer's filtration effect.

此外，这个方法的暗态是利用胆固醇液晶在圆锥状态的散射效应和偏光板的滤光作用来产生。

The main purpose of this study is to examine the concentration distribution of emitted ozone in the work environment of UV equipment in a Color Filter plant. A fogger was used to visualize the direction of ozone-laden air flow. MDA toxic gas detector (Scientific ChemKey TLD-1, Zellweger Analytics, England) with chemical paper was used to measure the emitted ozone concentration at the breathing zone of operators and the exit of the UV equipment.

本研究主要目的在研究彩色滤光片厂UV清洗机作业环境臭氧逸散浓度分布情形，藉由烟雾可视化，调查臭氧逸散烟流走向，并以MDA毒性气体侦测器(Scientific ChemKey TLD-1， Zellweger Analytics， England)搭配化学纸带进行臭氧逸散浓度量测，量测点为劳工个人工作站之呼吸带及UV清洗机台出片端。

The chemical and structural propert ies of the humic acids before and after fractionation were characterized by elem ental analyzer, Fourier transform infrared spectrometry, solid state 1 3C-nuclear magnetic resonance spectrometry (13C-NMR) and pyrolysis-gas chr omatography-mass spectrometry.

利用切面流超滤技术将Pahokee泥炭腐殖酸分为相对分子质量不同的8个级分，并综合应用元素分析和傅立叶变换红外光谱、固体13C核磁共振(13C NMR)和裂解-气相色谱-质谱技术详细研究了分级前后腐殖酸分子的结构组成特征。

In Chapter 4, the related mathematical knowledge, methods and principles are presented which include mathematical morphology, Fourier transform and discrete cosine transform, illposed problem and corresponding regularization methods, basic iteration methods and preconditioning technologies.

回顾并比较了传统线性和非线性滤波方法，详细综述了从变分到PDE在图像滤噪与模糊恢复上的应用和发展，模型基本形式为无约束极小化问题：〓（1）惩罚算子L扩散形式为〓（2）Κ为扩散项，是调整扩散程度的关键因子。

Ultrafiltration is used widely to concentrate and fractionate milk prior to cheese production and to separate whey proteins from whey .

超滤广泛的应用于干酪生产前乳的浓缩与分级，以及从乳清中分离乳清蛋白。

Ulrafilration is used widely to concentrate and fractionate milk prior to cheese production and to separate whey proteins from whey .

超滤广泛的应用于干酪生产前乳的浓缩与分级，以及从乳清中分离乳清蛋白。

In the third part, a pilot-scale plate-and-frame ultrafilter and four kinds of membrane were employed to fractionate and concentrate the straw Soda-AQ black liquor.

第三部分，用中试规模平板超滤器和不同材质，不同截留分子量的四种膜对麦草Soda-AQ黑液进行了超滤试验。

In severe cold weather the intake channels are easily clogged by ice cake or frazil slush and intake screens would be badly iced up.

冰块堆积堵塞取水口或水中屑冰粘附于取水口滤网减少其通流面积均可阻断或锐减取水口的通流量。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。