Effect of atomizing medium on micrograph and size distribution of free-lead solder powder;
雾化介质对无铅焊锡粉末形貌及粒度分布的影响
By utilizing supersonic atomization that is designed by ourselves, the study studies the influences of atomizing medium on the properties of free-lead solder powders of SnAgCu system:efficient atomization efficiency, size distribution and degree of sphericity.
实验利用自行设计的超音速雾化制粉装置,研究了不同雾化介质对SnAgCu系无铅焊锡粉末有效雾化率、粒度分布及球形度的影响。
using refinery dry gas to replace steam as the feedstock atomization medium in RFCC unit.
考虑到催化裂化装置普遍存在的蒸汽用于原料雾化所存在的弊端,结合中国石化股份有限公司荆门分公司催化裂解(DCC)装置的实际情况,提出一种新的原料油雾化技术,即采用炼厂干气代替现有的催化裂化雾化介质——蒸汽,以期克服蒸汽雾化所存在的问题。
However, there has been nearly no report on changing the atomization medium.
二流雾化法起源于至今的80多年来,众多学者在二流雾化法上进行了大量的研究工作,发展了多种二流雾化法工艺,但在改变雾化介质结构方面的研究工作极少有报道。
By comparing with different flow characteristics of fluid in nozzle,some parameters such as extended length of nozzle,entrance velocity of fluid and the inlet pipe radius are studied to analyze the influence to the atomization quality.
比较了不同喷嘴结构形式下流体的流动特征,研究喷嘴突出长度、入口速度以及输入管内径对喷嘴雾化质量的影响。
The combined-charging hydraulic electrostatic spraying box was designed,the basic designing theories,structure and working process of this box were theoretically discussed,the atomization quality of this box was studied by carrying out performance experiment.
在常用手动喷雾器基础上,采用组合充电式静电喷雾装置,并对其工作原理和关键结构进行了理论探讨,进行了常规喷雾与静电喷雾的雾化质量对比试验,结果表明,所设计装置能够达到静电喷雾的效果,静电喷雾的雾滴谱较窄,雾滴粒径细小,均匀度较高,组合充电方式和液力式雾化原理的结合较好地实现了静电喷雾。
In the meanwhile,it can increase the efficiency of analysis,optimize the atomization quality of nozzle,therefore,much developing effect will be obtained in the e.
编制出喷雾器喷嘴流场的APDL计算程序,适应于各种条件和工况的数值模拟分析,大大提高分析效率,优化喷嘴雾化质量,取得了良好的开发效果。
Through analysis of the adjusting methods of location of flame point, quantity of blast, quantity of attacting wind,wind quantity and fuel oil ratio and atomized quality,the best burning result is obtained.
介绍了玛连尼MAP系列沥青拌和楼燃烧系统火焰好坏的判断依据及成因,针对着火点位置、鼓风量、引风量、风油比、雾化质量5个方面的调整方法进行分析,最终达到良好的燃烧效果。
Real-time Rendering of Fogging Based on the Graphic Hardware Acceleration;
基于硬件加速的异质雾化的实时绘制
Differences in Ion Compositions of Winter Fogwater between Radiation and Advection-Radiation Fog Episodes in Nanjing
南京冬季辐射雾和平流辐射雾的化学特征差异
Nebulization of Plasmid DNA and Inhalational Immunization;
质粒DNA的雾化及其吸入免疫的研究
The causing Analysing and Nursing Countermeasure of Abnormal Reaction in Supersonic fog macluine
超声雾化吸入后异常反应原因分析及护理对策
The Mass Transfer Mechanism between Charged Lime Droplets and SO_2;
石灰浆荷电雾化脱硫中雾滴吸收SO_2的传质机理研究
Experimental Research on Atomization Characteristics of Pressure Nozzle and Numerical Simulation on Heat and Mass Transfer in Spray-Dryer;
压力式喷嘴雾化特性实验研究及喷雾干燥热质传递特性数值模拟
A study on a rare radiation-advection fog(Ⅱ)--the analysis of chemical characteristics of fog water
一次罕见的辐射-平流雾研究(Ⅱ)——雾水化学性质分析
Studies on the Chemical Constituents of Liquorice by ESI MS~n
甘草炮制前后化学变化的电喷雾串联质谱研究
The chemical clouded the liquid to which it was added.
化学物质使被加入的液体变得有云雾状。
Analysis and Prediction of Rock Slope Stability Influenced by Flood Releasing Atomization;
泄洪雾化影响下岩质边坡稳定性分析与预测
The Research on Image Clearness Method in Haze Weather
薄雾条件下降质图像清晰化方法的研究
Evaluation of Measurement Uncertainty in Determination of Leather Fogging Characteristics(Gravimetric Method)
皮革雾化性能(质量法)测量不确定度的评定
Study on fluoroquinolones by triple quadrupole mass spectrometer
氟喹诺酮类化合物电喷雾质谱裂解规律
Studies on the Biotransformation of Arctigenin Using Electrospray Ionization Mass Spectrometry
牛蒡苷元的生物转化及电喷雾质谱研究
Fragmentation Pathway of Periplocosides by Electrospray Ionization Tandem Mass Spectrometry
杠柳苷类化合物电喷雾多级质谱裂解行为研究
Fragmentation pathways of the furocoumarins in electrospray ionization mass spectrometry
呋喃香豆素类化合物电喷雾质谱裂解途径
1 Whole set of industrialization technology of producing metal powder by atomization.
提供低松装密度高强度雾化铜粉，高品质铜锡10粉及雾化制粉工业化生产技术。
Effects of isoniazid in high frequecy oscillatory compression aerosol inhalation on endobronchial tuberculosis
异烟肼高频振动加压雾化治疗支气管内膜结核疗效观察