Toluene degradation performances were studied in a 10 L Two-Phase Partitioning Bioreactor(TPPB).The liquid phase consisted of a mixture of water and PDMS 50(Pol
In this work,an equilibrium-dispersion model was successfully established to describe the breakthrough performance of Ca(II) imprinted chitosan(Ca(II)-CS) micro
本文主要介绍在通航航道上的一种拱桥拆除方法。在现有条件下，如何保证既要的安全拆除老桥又能满足航道正常通航，一直是人们所关注的。通过实践，采用水上浮吊配合船体支承的吊装
The fluid dynamic behavior of feeding gas(Ti Cl4) in an annular channel affects the combination of O2 and Ti Cl4 in an oxidation reactor, a key piece of equipme
Microcapsules of salicylic acid(SA)with chitosan were prepared by spray drying method.Various analytical methods were used to characterize the nature of microca
基于数字图像处理技术,构建了油田井管视频测量系统。系统采用光学摄像机采集下井管图像,应用图像增强、边缘检测、图像识别等数字图像处理技术,采用中值滤波法进行图像增强,改进的边缘算子检测法实现井管边缘识别,针对具体测量对象及条件设计了测长算法,实现了以非接触方式对油田下井管的实时长度测量,及测量结果的显示和传送。该系统测量准确性高,实时性好,是在线图像检测技术应用于工业生产现场的一个典型实例。
利用GPRS组网技术，实时、准确的掌握供水生产调度中各项生产数据，将供水管理信息化、科学化推向新高度。
Preparation of biodiesel from waste oils containing 72% of free fatty acids catalyzed by a novel Br?nsted acidic ionic liquid 1-sulfobutyl-3-methylimidazolium h
由于不同的产品安全标准对于相同的安全测试项目的要求是存在差异的,这种情况经常导致使用经过认证的开关电源的电子产品却不能通过相对应的安全型式试验的情况出现。本文针
本文分析了美国公司生产的广播发射机运行初期出现的故障,并针对这些故障得到了良好的解决。