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目前,虽然Zn1-xT Mx O1-y Ny(TM=Al,Ga,In)p型掺杂的理论计算研究已有报道,但是,掺杂均是随机的,没有考虑ZnO的非对称性进行择优位向......
The dissociation of H_2 molecule is the first step for chemical storage of hydrogen, and the energy barrier of the disso......
Synthesis,Characterization,X-ray Crystal Structure and Safener Activity of Chiral 2-(3-Methyl-2,3-di
The new title compound, chiral 2-(3-methyl-2,3-dihydrobenzo[b][1,4]oxazin-4-yl)-2-oxoethyl acetate, has been synthesized......
In order to broaden the opening up to the outside world and speed up the economic development in Anshan, the mayor of An......
It is not uncommon in multiple criteria decision-making that the numerical values of alternatives of some criteria are s......
Highly c-axis-oriented ZnO films were deposited successfully on the nucleation sidesof free-standing diamond (FD) films......
Objective To examine self-reported symptoms by the patients receiving cancer therapy, and find out the symptoms that sho......
Influence of Ru addition on microstructure and stress-rupture property of Ni-based single crystal su
The effects of Ru on the microstructure and stress-rupture property were investigated in two experimental Ni-based singl......
First-principle studies of radioactive fission productions Cs/Sr/Ag/I adsorption on chrome-molybdenu
Chrome-molybdenum steel(2·1/4Cr1Mo) is one of the main products of steam generation.The adsorption behaviors of radioac......
怎样做才能不浪费时间?不如将它看成一种投资,看看它能带来多少回报。想想你在花钱上是多么的吝啬:如果有人在街上问你要10美元,你......
Biliary drainage for obstructive jaundice caused by unresectable hepatocellular carcinoma: the endos
BACKGROUND: For palliative treatment of the obstructive jaundice associated with unresectable hepatocellular carcinoma (......
Long-Term Application of Organic Manure and Mineral Fertilizer on N_2O and CO_2 Emissions in a Red S
A long-term field experiment was established to determine the influence of mineral fertilizer and organic manure on soil......
Performance of Three Adelphocoris spp. (Hemiptera:Miridae) on Flowering and Non-lfowering Cotton and
该文从挂篮荷载计算、施工流程、支座及临时固结施工、挂篮安装及试验、合拢段施工、模板制作安装、钢筋安装、混凝土的浇筑及养生......
本文研究在属性权重给出某种系数序的情况下的多属性决策问题,借助于时序多指标决策的思想,通过简单的数值运算求得方案的净评价值,从......
采用溶胶-凝胶法制备出介孑L氧化铈(meso-CeO2)及其负载的氧化钴(Co3O4/meso-CeO2)催化剂,并将其应用于富氢气体中CO的优先氧化反应.通过N......
本文首次讨论洲际背包客在华出入境口岸选择偏好.在对西安、阳朔两地洲际背包客进行旅游市场实地亲身调查的基础上,总结了背包客对......
提出了灰效用函数的概念,给出灰效用函数存在的公理体系,讨论了灰靶决策的灰效用理论,以期为灰信息下的决策-灰靶决策提供了理论基础。......
热连轧负荷分配本质上是一个多目标优化问题,并且不同目标函数的重要性不一样。针对这个问题,引入偏好信息对多目标差分进化算法进......
无人机航迹规划是典型的多目标优化问题,传统的线性加权和法需反复迭代以确定一组满足工程特性需求的目标权重系数。物理规划方法通......
InternalDynamicsoftheGenerationofAtmosphericTeleconnectionPatternsLiZhijin(李志锦)andJiLiren(纪立人)(InstituteofAtmosphericPhysics,.........
利用多关键字查询技术可以从大量的实验数据中检索表现突出的数据,Skyline查询是多关键字查询的经典方法之一。在高维空间中,Skyli......
介绍了国产风力发电机组的研制过程及其现状,指出了国产风电机主要的技术问题,阐明风电机国产化的关键取决于国家的优惠政策。......
在广泛收集国内外防火涂料的基础上,根据钢结构耐火极限要求、建筑部位、工程的重要性以及防火涂料价格等因素,提出了建筑钢结构防火......
通过运用感性工学技术、语义差分法以及统计学方法,建构出基于使用者产品偏好意象的产品造型的法则,探讨了产品使用者的偏好意象与......
利用L-半胱氨酸自组装单层(L-Cys SAM)成功控制了方解石的结晶取向。XRD和SEM测试结果表明,方解石可以优先选择(104)或(001)晶面成核。Ca......
采用电阻式热蒸发方法和退火工艺制备出了Mg2Si半导体薄膜。研究了退火时间对Mg2Si薄膜的形成和结构的影响。首先在Si(111)衬底上沉......
【正】The growing China’s Consumer Health Market is expected to reach nearly$70 billion by 2020,thus presenting an enor......
文中结合对《2006年海事劳工公约》和我国《个人所得税法》的研究,探索将世界航运大国对海员个人所得税减免的政策纳入国际公约,通过......
Life cycle assessment (LCA) is one of the most widely used methods of decision support. However, few studies have examin......
采用水热电化学法在Ni基体上制备了LiCoO2薄膜.反应温度影响薄膜的择优取向,80℃时制备的薄膜具有(003)取向,100℃制备的LiCoO2薄......
河北省第三方物流存在的突出问题为:多而不聚、大而不强、乱而无序、散而未联、全而不专,稳而未捷。产生这些问题有体制和观念等方......
在基于移动计算范型的迁移工作流系统中,停靠站服务器是连接内部工作机与外部节点的桥梁。当有多台工作机都可以提供迁移实例所要求......