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Evaluation of formation damages during filter cake deposition and removal process:The effect of prim
The properties of oil and gas formation could be significantly damaged during drilling and completion operations as a re......
Laser surface melting has been applied on a commercially pure Mg. The microstructure and texture modifications encounter......
Hydrochemical Characteristics and Solute Dynamics of Meltwater Runoff of Urumqi Glacier No.1,Eastern
Hydrochemical characteristics and solute dynamics of bulk meltwater draining from Urumqi Glacier No.1 were investigated ......
Model control technologies of dynamic secondary cooling and soft reduction for slab continuous casti
Dynamic model control technologies of secondary cooling and soft reduction of Baosteel are introduced. Model principle a......
Realizing the potential of geothermal energy as a cheap,green,sustainable resource to provide for the planet’s future e......
1. Make timely adjustments to mar-ket positioningThe global economic crisis has provided agood opportunity for the tran......
The effect of cooling rate on the solidification process of Al-2.06%Si-1.58%Mg was numerically and experimentally invest......
An investigation was carried out to study the effects of γ’ formation and strengthening elements (Al, Ti and Ta) on th......
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Extrapleural solitary fibrous tumor(SFT) is an uncommon mesenchymal neoplasm,presenting most commonly in the intrathorac......
Finite element analysis on the seismic behavior of side joint of Prefabricated Cage System in prefab
The Prefabricated Cage System (PCS) has the advantages of high bearing capacity and good ductility.Meanwhile,it is conve......
通过对虚拟手抓握物体时手指运动过程的分析,提出基于手指运动方向的动态碰撞检测算法,在详细描述该算法的基础上,给出算法流程图......
Detection of 36 antibiotics in coastal waters using high performance liquid chromatography-tandem ma
为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7......
为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7......
Gas chromatography/inductively coupled plasma mass spectrometry (GC/ICP-MS) coupled with solid phase micro-extraction ca......
Effect of centrifugal counter-gravity casting on solidification microstructure and mechanical proper
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Estrogen-related receptor γ disruption of source water and drinking water treatment processes extrac
Environmental chemicals in drinking water can impact human health through nuclear receptors.Additionally,estrogen-relate......
为了研究协溶剂对固体在超临界CO2中溶解度增强作用。本文利用PR状态方程,采用拟合两个可调参数(K12和l12)的方法,对酸、芳烃、稠......
NiTi合金作为性能最优异的形状记忆合金之一,已经广泛应用于航空航天、电子、建筑、生物医学等领域。近年来,NiTi基合金极佳的力学......
为了加强在“固体物理”教学中贯穿思政教育元素,该文从思政教育在当前我国高等教育发展的重要性出发,从提升教师自身的思政意识与......
以江西省农村个案为例,通过建立江西省农村的人力资本内生经济增长模型,分析人力资本积累对农村经济增长的影响以及农村经济增长缓......
研究了磷含量对汽轮机转子钢（30Cr2MoV）力学性能的影响。结果表明，磷含量在低于0．063％时，随着磷含量由0．045％（质量分数）增加到0．063％，合金的抗拉......
以N-S方程、连续性方程及Fourier导热方程为基础,结合离心力、重力及Coriolis力,在实验的基础上建立了立式离心铸造充型过程及凝固......
由于尿素、过渡金属盐以及它们的配合物在溶剂(如水、乙醇等)中的溶解度都较大,因此,液相法合成配合物的分离提纯往往较困难,产率......
采用顶空固相微萃取与气相色谱-质谱联用检测分析了超高压处理对丹阳黄酒香气成分的影响。结果表明，与未超高压处理的丹阳黄酒比较，3......
对当今广为应用的线框模型、体模型和曲面模型等传统的三维人体建模方法进行了研究和分析 ,并探讨了基于物理特性的人体建模技术......
The Collins model is introduced into the two-dimensional (2D) alternative ternary system having the Lennard-Jones (L-J) ......
徐成淼的<爱海情潮>是一部散文诗体内心独白长篇爱情小说.作者以其对爱无限幽深丰富的心理体脸,以饱蘸情感的艺术笔墨对真爱的内涵......
基于三维N-S方程同时选用标准κ-ε湍流模型,采用通用流场分析软件fluent对液-固循环流化床的颗粒速度场和固含率的轴向分布情况进......
通过选用不同的沉淀剂,利用共沉淀法制备出掺杂过渡金属元素(Fe,Mn,Cu)的CeO2-ZrO2多元稀土复合氧化物.样品用X射线衍射(XRD),液氮......
建立了固体布料器冷模实验装置,针对两种桨叶(平桨叶和下压式桨叶)及两种分布板(27孔分布板和12孔分布板),考察了不同床层高度、桨......
Tow nanosize powders of β-Ni (OH)2 and NiO were synthesized by solid state reaction ofNiC2O4 · 2H2O with NaOH and ......
以多壁碳纳米管（MWCNTs）为涂层制作了固相微萃取（SPME）萃取头，用自制的萃取头SPME技术与GC～TSD联用测定了水中的4种有机磷杀虫剂（甲拌磷、......
应用聚乙烯吡咯烷酮(PVP)为载体,采用溶剂挥发法制备了蛇床子素(OSL)的固体分散体,测定了OSL原料药、固体分散体以及机械混合物的......
本文采用固体超强酸SO4^2-/ZrO2-Al2O3作催化剂，合成氯乙酸异丙酯。通过正交试验和单因素实验确定最佳反应条件。......
Metallurgical modeling of synergistic microcrack self-repairmen during welding single crystal and polycrystalline supera......
[目的]建立了同时测定蔬菜中17种有机磷农药残留的毛细管柱气相色谱分析方法。[方法]蔬菜匀浆后经混合溶剂提取，固相萃取柱净化，采用......
探讨饲用α-半乳糖苷酶固态发酵的生产条件,对培养基中的关键组分碳源、氮源进行了优化筛选,选择豆粕、甜菜渣、硫酸铵和磷酸氢二......
针对粘胶纤维生产中喷丝头连接板的具体服役条件,研制了一种耐腐蚀性高、加工性能优良的特种奥氏体不锈钢,对材料的成分、熔炼、铸......
采用醋酸铵反复作用法测得了不同配比粘土固化浆液结石体的阳离子交换容量，利用原子吸收分光光度仪测定溶液浓度，通过室内吸附平衡实......
采用共结晶的方法制备出氯化钇和氯氧化锆的复合晶体作为反应物，机械固相法合成出前驱体ZrOC2O4（4Y），在不同条件下煅烧，得到纳米ZrO2（4Y）......
用两种方法在贵金属三效催化剂的主要助剂CeO2-ZrO2固溶体中掺杂Nd进行改性,以提高催化剂的活性和热稳定性. 方法1是采用硝酸钕溶......
在室温或准室温条件下，研究了Ｃｕ（ＯＡｃ）２．Ｈ２Ｏ与ＡｒＯＣＨ２ＣＯＯＨ的固相配位化学反应，探讨了不同条件对固相配位化学反应的影响，产物进行元素分析、Ｘ射线粉末衍射、红外......
油田地面管线结垢机理的研究大多集中于结晶动力学。由于管道流动的复杂性,流体流动过程中的结垢机理尚不明确。研发了结垢动态分......
以草酸和乙酸镁为原料，采用低温固相化学反应合成出前体MgC2O4·2H2O，再通过焙烧得到纳米MgO．采用X射线衍射、N2物理吸附、透射电......
以玄武岩纤维生产炉窑顶部加料口上部的刚玉莫来石砖和侧壁内衬高铬砖作为研究对象,采用XRD、XRF、SEM和EDX等分析方法,研究了玄武......
本文介绍了税控装置主要存在的干扰原因及预防的措施....
A numerical model was developed to simulate the jet-flow solid fraction of W18Cr4V high-speed steel during spray forming......
建立了一套玻璃材质的多歧管联球式等压法活度测定装置测定了２９８．１５Ｋ和３２３．１５Ｋ时Ｎａ＾＝，Ｋ＾＋∥Ｃｌ，ＮＯ３－Ｈ２Ｏ四元体系及其二三元子体系的渗透系数，。利用Ｐｉｔｚｅｒ模型预测了该１－１型四元......
采用推进剂性能评估软件（PEP）,计算和比较了2,3-二羟甲基-2,3-二硝基-1,4-丁二醇四硝酸酯（SMX）和HMX取代高氯酸铵/铝粉/丁羟黏合剂（AP/A......
