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工业的迅猛发展促进了社会的进步和人类的进步,同时也带来了生态环境的破坏,让人类为此付出了高昂的代价。大气环境是人类赖以生存......
镍基单晶高温合金是制造先进航空发动机叶片的首选材料,提高单晶合金的承温能力及其组织稳定性是目前的主要研究方向。新一代的镍......
设计并制备了4％W/无Ru、6％W/无Ru以及6％W/2％Ru三种镍基单晶高温合金,通过蠕变性能测试、组织形貌观察、元素分布测定以及XRD谱线测定,......
制备了聚乙烯吡咯烷酮(PVP)稳定的二氧化硅负载钌催化剂PVP-Ru/SiO2,用透射电镜分析了催化剂的微观结构.以PVP-Ru/SiO2为催化剂,聚......
目的 探讨新型乳管造影注射器的在乳腺造影检查中的应用。方法 对78名病理性乳管溢液患者平均分组，进行随机对照，观察应用新型乳管造......
伯胺作为化学研究和工业生产中一种重要的化工中间体,广泛用于制备聚合物,染料,医药,农用化学品,表面活性剂和生物活性物质等.目前......
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为了增强对挥发性有机物甲苯的吸附及催化氧化分解能力,本研究采用负载Ru 纳米颗粒的多级孔沸石分子筛为催化剂,系统研究了介微多......
Successful Treatment of Spontaneous Rupture of the Spleen by Embolization of Splenic Artery in a Pat
Spontaneous rupture of the spleen (SRS) is a rare clinical entity with a potentially poor medical outcome. In most cases......
对于大多数普通用户而言,移动硬盘的选择对他们来说并不需要太费心。确定所需容量,比较一下价格、品牌很容易就能买到适合的产品。......
近日,中国科学院院士、中国科学院大连化学物理研究所张涛研究员和催化与新材料研究室王爱琴研究员团队发展了一种Ru单原子催化剂......
针对纳米TiO2化学结构和能带结构呈现弱N型、宽带隙、Ti外层电子不活泼等特点,致命地影响了其低阻半导化水平等问题。本研究采用前......
本研究利用浸渍法制备了Ru/TiO2催化剂,并在光照和加热两种条件下考察了其催化二氧化碳与氢的反应,发现催化剂在两种条件下均可引......
采用sol-gel法以600℃热处理的TiO2纳米粒子为载体,通过浸渍法在不同温度焙烧下制备了表面修饰质量分数为4%Ru的TiO2样品,并利用XR......
Influence of 2008 Wenchuan earthquake on earthquake occurrence trend of active faults in Sichuan-Yun
The Wenchuan earthquake coseismic deformation field is inferred from the coseismic dislocation data based on a 3-D geome......
On stress-forecasting strategy of earthquakes from stress buildup,stress shadow and stress transfer(
Global Positioning System(GPS) and Interferometric Synthetic Aperture Radar(InSAR),used for monitoring crust deformation......
n．A．扎伊翁契科夫斯基是冷战时期美苏两国学术交流的典范。在20世纪60—80年代大约20年的时间里，他指导和培养了一大批优秀的美国见习......
【正】 Shanghai Huayi(Group) Company(Shanghai Huayi Group),the state-ownedcapitalization enterprise that is affiliated w......
The bimetallic Ru-M （M=Co,Fe,Ni,Mo, Rh,Cr, Mn） catalysts were prepared from SiO<sub>2</sub>-supported bimetallic carbonyl ......
Electrochemiluminescence glucose biosensor based on glucose dehydrogenase functionalized Ru（bpy）3^2＋
察觉到途径的新奇 electrochemiluminescence (ECL ) 在一个玻璃质的碳电极(GCE ) 上与葡萄糖脱氢酶基于 crosslinking Ru (bpy )3......
采用多元醇还原法将2.4~5.4 nm范围内粒径均一、尺寸可控的Ru纳米粒子负载在ZrO2上,研究了Ru的粒径对Ru/ZrO2催化剂上苯部分加氢性......
Based on affirming the tremendous benefits that water resources of rivers can provide in their exploitation, main enviro......
钌可以促使炔烃通过亚乙烯基钌卡宾金属配合物或钌金属杂环配合物的形式发生碳-碳偶联反应,它的化学性质很大程度上取决于配体的电......
RU486为19-去甲类固醇,实验证实对鼠糖皮质激素受体有高度亲和力,与兔、灵长类和人的糖皮质激素有竞争作用。作者用RU486成功地治......
采用密度泛函理论研究了CO气氛对FeO(111)/Ru(0001)负载Au原子吸附位、电荷及其稳定性的影响.首先考察了FeO(111)单层薄膜在Ru(000......
共沉淀法制备了Ru-Fe(x)催化剂,并利用X射线衍射(XRD)、X射线荧光光谱(XRF)、N2物理吸附和透射电镜等手段对催化剂进行了表征.结果......
Theoretical studies on phosphoraniminato derivatives of Keggin-type polyoxometalates [PW_(11)O_(39){
Transition metal phosphoraniminato derivatives of Keggin-type polyoxometalates(POMs) are important intermediates in N-tr......
The Ce-TiO2/KL(diatomite) ball photocatalyst was prepared and characterized based on the pretreated diatomite. The resul......
Ru(III) was employed as catalyst for aniline oxidation by permanganate at environmentally relevant pH for the first time......
考察了(1.0%、4.0%、6.0%)Ru/ZrO2催化剂的丙酸水相加氢性能.采用N2物理吸附、CO脉冲化学吸附、H2程序升温还原(H2-TPR)、CO和丙酸......
基于氢氯噻嗪对三(2,2′-联吡啶)钌(Ⅱ)(Ru(bipy)32+)-Ce(Ⅳ)化学发光体系的增强作用,构建了一种化学发光直接检测氢氯噻嗪的新方......
目的 :探讨局部注射氨甲喋呤 (MTX)配合口服米非司酮 (RU4 86 )在早期宫外孕保守治疗中的疗效。方法 :对早期异位妊娠患者采用阴超......
Ru(Ⅱ)-catalyzed ortho-amidation and decarboxylation of aromatic acids: a versatile route to meta-sub
Carboxylate as a promising and valuable directing group has attracted a great deal of attention.However,employing it as ......
<正>Recently, BEIJING HYUNDAI MOTOR COMPANY submitted the recalling report to AQSIQ according to the Regulations on Reca......
以中孔MCM-41为载体制得均一分散的粒径约5 nm的Ru纳米粒子催化剂MCM-41-Ru,采用电感耦合等离子体、透射电镜、能量散射谱、X射线......
Surrogate models are commonly used for approximation of large computationally expensive vehicle crash simulation to faci......
研究发现,瑞格列奈能与酸性高锰酸钾和固定化的钌联吡啶产生强烈的化学发光。基于此提出了一个经高效液相色谱(HPLC)分离柱后同时......
不对称b-二酮在乙腈中,二氯化-三-联吡啶钌([Ru(bpy)_3]Cl_2,1 mol%)催化下,加入碳酸氢钠(1倍摩尔量)和4A型分子筛,光照条件下通入......
本文分别利用非共轭桥和共轭桥将三联吡啶钌配合物固载到氧化石墨烯表面,制备了复合物Ru1-GO和Ru2-GO。采用IR、UV-Vis、EDS、TEM......
苯胺类废水污染物具有结构复杂、浓度高、不易生物降解、生物毒性大等特点,传统的苯胺降解措施存在着许多弊端,很难达到排放标准.......
River’s healthy life is a description of their living conditions, and it is also a comprehensive assessment of river’s......
We investigated the aging effect on the chemical structure of silicone rubber composite materials under outdoor environm......
Duantang Neighborhood lies in the southern end of Ningbo, Zhejiang Province. It occupies an area of 5.97 square kilomete......
