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Determination of Metal Elements in the Leaves of Magnolia officinalis by Flame Atomic Absorption Spe
[Objective] To determine the content of six metal elements like Ca,Mg,Fe,Zn,Cu and Mn in M.officinalis leaves.[Method] D......
This paper summarized application and research advancement of the microwave-assisted extraction in the agriculture, food......
Based on the physical vapor transport(PVT)method,the growth of large-size CdS crystals inside a vertical semi-closed tub......
The multi-SCCO_2(supercritical carbon dioxide) release and dry process based on our specialized SCCO_2 semiconductor pro......
High-density polyethylene/carbon black foaming conductive composites were prepared from acetylene black(ACET) and super ......
In high voltage pulse modulator,the RD loop and the primary winding of the pulse transformer is parallel,and the negativ......
An improved performance of copper phthalocyanine OFETs with channel and source/drain contact modific
We report an effective method to improve the performance of p-type copper phthalocyanine(Cu Pc)based organic field-effec......
The power consumption of a variable optical attenuator(VOA) array based on a silica planar lightwave circuit was investi......
The changes of resistivity of conductive asphalt concrete at different temperatures were studied,and positive temperatur......
It is of great importance to improve the energy performance of the air-conditioning system for building energy conversat......
The solubility , antioxidation ability, thermal stability, coercivity Hc and long term stability of MPc-Fe3O4-nanopartic......
Mullite Oxidation Resistant Coating for SiC-coated Carbon/Carbon Composites by Supersonic Plasma Spr
To improve the oxidation resistance of carbon/carbon (C/C) composites, mullite coating was prepared on the surface of Si......
Initiation of vacuum breakdown and failure mechanism of the carbon nanotube during thermal field emi
The carbon nanotube(CNT)-based materials can be used as vacuum device cathodes. Owing to the excellent field emission pr......
The purpose of the research is to obtain an effective method to predict the hot ductility of low-carbon steels, which wi......
Kinetic Analysis of Oxidation of Carbon Nanotubes, C_(60) and Graphite Using Mechanism-Function Meth
The oxidation of carbon nanotubes, C60 and graphite was studied by thermogravimetric (TG) analysis and differential ther......
Thermal Behavior,Nonisothermal Decomposition Reaction Kinetics of Mixed Ester Double-base Gun Propel
The thermal decomposition behavior and nonisothermal reaction kinetics of the double-base gun propellants containing the......
Crystallization kinetic characteristics of oxygen-induced I-phase and Zr_2Cu phase in Zr_(65)Cu_(27.
Based on the construction of TTT diagrams by isothermal DSC measurements, the thermal stabilities of Zr65Cu27.5Al7.5 gla......
Analysis and calculating for preheat temperature and average convection heat change coefficient in t
The aim of the thesis is to utilize essential theory of heat transfer,to use correlative expressions to calculate averag......
Utilization and recycling of low-temperature waste heat of stainless steel continuous annealing furn
Stainless steel continuous annealing furnace is mainly used for heat treatment of hot-rolled strip steel.The combustion ......
Experimental studies and phase field modeling of microstructure evolution during solidification with
Thixocasting requires manufacturing of billets with non-dendritic microstructure.Aluminum alloy A356 billets were produc......
The hot deformation characteristics of GH4720Li alloy were studied at the temperature of 1100-1170 ℃ and strain rate of......
The joint TEXT (J-TEXT) tokamak, formerly TEXT/TEXT-U tokamak, operatedby the University of Texas at Austin in USA, has......
The dynamic process of the ionic valence changing from Eu~(2+) to Eu~(3+) in EuF_2 at high temperature has been investi......
Conductivity, temperature and depth (CTD) data from 1993-2010 are used to study water temperature in the upper Canada Ba......
The development of lead-free solders has emerged as one of the key issues in the electronics packaging industries.Bi-Sn-......
Directly measuring the oxidative heat release intensity at low temperatures is difficult at present.We developed a new m......
国内电厂普遍存在再热蒸汽温度偏低、低温再热器磨损等问题.对此,拟采用减少低温再热器管排数和烟气流速,并将低温再热器下部几组......
通过对中国北方城市SO2污染的季节性特点进行分析发现,减少采暖燃煤SO2排放,解决采暖期SO2污染,是SO2年日均值达标的关键。而改变......
从锅炉钢结构，风烟系统设计，受热面安装等方面分析了锅炉安装过程中存在的问题及其原因，提出了加强设计制造，设备运输，保管与检查，监造，安......
基于ＢＰ算法的神经控制器是目前最常用、最成熟的神经控制结构，它可分为普通学习法和专门学习法两种结构，后者又分为直接和间接两种学习......
针对某1175t／h锅炉因过热器受热面不足造成过热汽温偏低，燃烧器向上摆动时造成炉膛出口烟气残余旋转增大，烟气流量、烟温和汽温偏差增......
建立了圆筒加热炉燃烧区内管壁金属温度的数学模型，利用此模型的能够同时确定燃烧区内最高管壁金属温度的大小及位置，计算程序简单，收......
用户侧供能负荷预测是能源互联网的关键技术之一,在能源互联网的运行管理中起着重要的作用。高精度的用户侧供能负荷预测能够提高......
针对目前大多数智能PID控制器存在的诸如设计复杂、计算量大、收敛速度慢以及控制精度相对较差等问题，提出一种基于混沌优化的小波......
结合工程实例，对不能满足洗浴热水负荷的供热系统，提出利用锅炉烟气余热和太阳能作为原蒸汽锅炉房的补充热源。对该系统的改造、运行......
结合北京某办公建筑燃气冷热电联供系统，采用eQUEST软件计算了建筑全年动态冷热电负荷。以寿命周期成本最小为目标，建立了优化模型，对......
1999年2月、3月、11月和12月,在北京北三环外的325m气象塔院内进行了大气颗粒物采样,获得24组192个分级样品.样品用质子激发X荧光(......
在各种面料的染色过程中,影响织物染色质量的因素很多。探讨点升温速率、提布轮速率、打滑率、升温速率的影响,为提高染色效率提供......
气温较低是影响寒冷地区低温季节户用沼气池正常运行的主要原因之一。文章设计了一种炕连灶热烟通道沼气池，利用炕连灶烟气余热实现......
阐述了进行煤反应动力学研究的必要性和实验研究的重要性，分析了一种重要的实验室用装置滴管炉在煤反应动力学研究方面的特点，总结了......
为提高便携烟气分析仪对超低排放烟气的测试效果,采用Nafion干燥管进行选择性气态除湿。应用结果表明:在实验室标准气体测试中,当......
对中国石化洛阳分公司延迟焦化装置的能耗进行了分析，并对其进行了相应的节能改造。改造后装置运行结果表明，将加热炉空气预热器的传......
火电厂中小型纯凝机组存在效率低、煤耗高、污染大等问题，经济效益不很理想，而中小热电联产机组关闭后形成的供热负荷缺口又亟需填补......
分析某建筑物土壤源热泵十太阳能综合空调系统运行特性。结果表明，太阳能热水系统在冬季大部分时间能够满足日常的生活热水需求，保证......
住宅供暖分户热计量的实施．为建筑节能提供了有效途径，但在实际工程中仍存在许多问题。文章就热负荷的计算。供暖系统的选择及热费收......
介绍硫酸生产中常用的三种转化升温方式：烟道气直接升温、燃烧炉配预热器间接升温及电炉升温，论述电炉升温的功率定额选定及影响因素......
田湾核电站一期工程是由俄罗斯设计、供货的2台NPP91/WWER-1000型机组.电站汽轮机汽水分离再热系统中的加热蒸汽凝结水疏水泵,采用......
在2012年青海油田的重点项目《井下作业公司油管（杆）清洗线改造工程》设计中,将油田常用油气工艺加热设备水套加热炉顺利应用在向油......
随着以锂离子蓄电池为代表的新能源汽车的推广与普及，就动力电池本身来说，在不同环境条件下的安全使用是至关重要的，其安全性能应结合......
论述了可编程序控制器的工作原理及结构，结合实际分析了它具体的工作过程，介绍了可编程序控制器在供热网中热力站本地控制器、便携式......
