滴液

The method has been used to determine Phthalic esters in drinking water and seawater sample. 3. Single drop microextraction, followed by gas chromatography with flame ionization detection has been applied to determine Formaldehyde, Acetaldehyde and Acraldehyde in water based on 2,4-Dinitrophenylhydrazine derivatization. Extraction solvent, extraction time and stirrer speed were optimized. Optimal experimental conditions were as follows: 1.6μL toluene microdrop exposed for 30 min in a 3ml aqueous sample placed in 4ml vial and stirred at 600 rpm/min.

以2，4-二硝基苯肼衍生，单滴液相微萃取与气相色谱火焰光度检测器联用测定水样中的甲醛、乙醛、丙烯醛，考察了萃取溶剂、液滴大小、萃取时间、搅拌速度、盐效应等对该方法的影响，并对影响液相微萃取的各种因素进行了系统的阐述，确定了该体系的最佳实验条件，实现了甲醛、乙醛、丙烯醛的提取和富集。

Procedure— Using a dry syringe, quickly inject the Test Preparation, accurately measured and estimated to contain 0.5 to 5 mg of water, or as recommended by the instrument manufacturer into the anolyte, mix, and perform the coulometric titration to the electrometric endpoint. Read the water content of the Test Preparation directly from the instrument's display, and calculate the percentage that is present in the substance.

规程---使用一个干燥的注射器，快速注入测试样本，准确测量并估计大约含有0.5~5mg水，或者按照仪器制造商的推荐至阳极液中，混匀，采用库仑滴定法滴定至电量终点，直接从仪器显示处读取测试样本的水的含量，计算样品中存在的水的百分含量。

We did our best to get the optimal methods to make the liquid more atomize, and established a model for gas-liquid mass and heat transfer process of cross-flow RPB.

根据气液两相流在多级离心加速雾化条件下流体的动量与质量方程，分析研究液体的雾化程度、液滴粒径、运动速度与方向、停留时间等，研究液相多级分散的级数、分散方式以及离心力场强度对气液相界面积、传质系数以及气相流阻的影响关系及其规律性，探讨沿旋转床径向使液体均匀雾化的最佳方法，建立旋转床中气液两相的运动与传质数学模型。

The clarified air goes into the drying tower after being heated, and then use two or three fluid nozzle to atomize the liquid into small dripping that will exchage the heating with the hot air to evaporize the water content in the liquid, the water content will be discharged as the hot air comes out, and finally the powder or particle products comes out.

洁净空气加热后进入干燥塔，在塔内热风中用二流体喷嘴将各种料液雾化成微小液滴，与热风进行快速热交换，蒸发掉液料中的水份，并随热风排出，得到粉状或颗粒状产品。

As a main product of our company, spraying drying set is a kind of centrifugal or pressurized,which atomizes liquid materials such as solution,suspension,emulsion or paste into timy dropletand dry them into powder product an onceby contacying hot air.

喷雾干燥机组是一种用离心式或压力式雾化器，将溶液、悬浮液，乳浊液或浆料等料液雾化成细微液滴，经与热风接触得以急速干燥，从而直接得到粉末产品的装置。

Both the gas velocity profiles and total pressure distributions are well axial symmetric when flue gas pass by the demisters with rotated-stream trays , which the liquid drops are revolved and threw toward wall surface by flue gas to carry out gas-liquid separation .

结果表明：烟气经过折板除雾器，产生了明显的压降，且在拐角区域，湍流耗散强烈，是实现气液分离的关键区域；而烟气经过旋流板除雾器，速度和压强分布具有良好的对称性，液滴被气流旋转抛向壁面实现气液分离。

It was concluded that the degradation of lube oil was caused by the leakage of K2CO3 caustic liquid resulted from the damaged mechanical seal, low sealing water pressure, high liquid level of dripping sum, poor heat radiation of the shaft seal of lean liquid pump and large space of shaft protection ring etc.

分析了中原大化集团合成氨装置贫液泵润滑油系统滤油器压差迅速升高的原因，指出主要是机械密封损坏或密封水压过低、滴水槽液位过高、贫液泵轴封散热不好、轴承护圈间隙过大等，从而使K2 CO3漏入碱液润滑油系统，导致润滑油变质。

Methods: Perchloric acid and glacial acetic acid were volumetric solution. Crystal violet was indicator.

通过微型滴定和常规滴定对比，高氯酸冰醋酸（0.1 mol/L）为滴定液，结晶紫为指示剂，用非水滴定法测定马来酸氯苯那敏的含量。

The titration curve for an acid-base titration is a plot of the solution pH, normally on the vertical axis, against the volume of titrant added

酸碱滴定的滴定曲线是一张溶液的pH值和滴定液用量之间的关系图。

Air is transfened into hot air by passing through the heater,and goesinto the hotair separator on the top of he dryer,then goes into the drying room evenly.at the same time liquid materials are sent to the centrifugal atomixer on the top of the dryer the the screw pump with stepless speed regulation,and atomized into timy dr-oplet which will contact hot air,then dried into dry product within shortest time.

空气通过加热器转化为热空气，进入装置在干燥室顶部的热风分配器，然后均匀的进入干燥室，同时通过无级调速的螺杆泵将料液送至装置在干燥室顶部的雾化器，使料液雾化成极小的雾化液滴，料液和热空气并流接触，水份迅速蒸发在极短的时间内干燥为成口若悬河，成品经干燥塔底部和旋风分离器排出，废气由风机抽出排空。

The concept of equivalent rotationally rigidity is offered and the formula of rotationally rigidity is obtained.

主要做了如下几个方面的工作：对伸臂位于顶部的单层框架—筒体模型进行分析，提出了等效转动约束的概念和转动约束刚度的表达式。

Male cats normally do not need aftercare with the exception of the night after the anesthetic.

男猫通常不需要善后除了晚上的麻醉。