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New insights into FeS/persulfate system for tetracycline elimination:Iron valence,homogeneous-hetero
In this study,complete tetracycline (TTC) and above 50％ of total organic carbon (TOC) were removed by FeS/PS after 30 min......
The Enhanced Geothermal System (EGS) is an artificial geothermal system that aims to economically extract heat from hot ......
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Halide anions X-are known to show a decreasing proton affinity(PA),as X descends in the periodic table along series F,Cl......
Monoclinic metahewettite CaV 6 O 16 ·3H 2 O has been fabricated via thermal hydrolysis of calcium vanadate(Ca 10 V 6 O ......
Mechanism of trifluoromethylation reactions with well-defined NHC copper trifluoromethyl complexes a
Computational calculation was performed to investigate the mechanism of trifluoromethylation reactions of iodobenzene wi......
Large quantities of CdS nanorods are successfully synthesized through Cd(CH3COO)2·2H2O reacting with Na2S·9H2O and EDA......
The reaction of naphthalene with oxalyl chloride in the presence of anhydrous AlCl 3 was investigated. The homolog of d......
The laws of influence of different factors have been analyzed in order to enhance the working efficiency and fatigue lif......
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DetectionofchlamydiatrachomatisbypolymerasechainreactionasayinnonbacterialprostatitisGuoHeqing Guo ......
Research on Reactivities of MoCluster． A Selective Substitution Reaction of the Bridging（dtp） Ligand
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ResearchonReactivitiesofMoCluster. ASelectiveSubstitutionReactionoftheBridging (dtp) LigandandStructureofTetranucle......
Remarkable Stereoelectronic Effect of the Methylenedioxy Phenyl System in the Total Synthesis of Cep
Methylenedioxyphenyl unit displays a significant stereoelectronic effect in some key transformations in the total synthe......
The transesterification of diphenyl carbonate (DPC) with 1,4-butyldiol (BD) was kinetically investigated in the presence......
Effects of creative expression program on the event-related potential and task reaction time of elde
Objectives:This study aimed to evaluate the effects of a 16-week creative expression intervention pro-gram(CrExp)on the ......
,Monocarbonyl curcumin analog A2 potently inhibits angiogenesis by inducing ROS-dependent endothelia
Excessive and abnormal vessel growth plays a critical role in the pathogenesis of many diseases,such as cancer.Angiogene......
,Anti-oxidative effect of ribonuclease inhibitor by site-directed mutagenesis and expression in Pich
Human placental ribonuclease inhibitor(hRI)is an acidic protein of Mr-50kDa with unusually high contents of leucine and ......
Reaction mechanism and kinetics of pressurized pyrolysis of Chinese oil shale in the presence of wat
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A pilot-scale study of cryolite precipitation from high fluoride-containing wastewater in a reaction
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背景 心肌缺血/再灌注损伤(ischemia/reperfusion injury,I/RI)是指在缺血心肌恢复血流灌注后,细胞代谢功能障碍和结构破坏反而加......
在角型有源滤波器(active power filter,APF)补偿电流参考值提取过程中,对谐波补偿电流提取的动态响应和精度要求高,基频补偿电流......
Based on the study of influence of temperature, digestion time, amount of CaO added and composition of aluminate solutio......
在常温下用不同浓度的外源H2O2(0～20 mmol·L-1)预处理水稻幼苗,再进行12 h 6℃低温胁迫,根据幼苗相对含水量和质膜相对透性筛选最......
以化学合成δ-MnO2为氧化剂,研究其对土霉素(OTC)氧化降解反应动力学,并探讨初始δ-MnO2含量、pH及共存物(无机阳离子和有机酸)对......
大榭第二大桥为单索面钢箱梁斜拉桥,主墩区和边跨钢箱梁采用高支架施工。为了保证支架安全,减小钢箱梁扭曲变形,确保主梁线形满足......
基于部分城市轨道交通供电系统公共连接点(PCC)功率因数小于0.9的现象,分析了影响供电系统功率因数的主要无功来源,分别为110 kV电......
甲基苯丙胺(methamphetamine,METH)是一种严重威胁公共健康安全的兴奋性精神刺激药物。长期或高剂量滥用METH会引起明显的神经元损......
全功率变速抽水蓄能机组具有功率快速可调、响应速度快、有功无功独立解耦的优点,可为电网运行提供调峰、调频、无功电压支撑、需......
三氯氢硅中的甲基二氯硅烷含量会严重影响多晶硅的品质,控制三氯氢硅中的甲基二氯硅烷含量对多晶硅的品质具有重要意义。重点介绍......
目的探讨短时间高氧对肺泡Ⅱ型上皮细胞(AECⅡ)线粒体Ca2+/烟酰胺腺嘌呤二核苷酸(NAD+)/沉默信息调节因子3(SIRT3)/超氧化物歧化酶......
考察了固定床反应条件下负载磷钨酸合成直链烷基苯的工艺条件.结果表明:它有两种酸中心,在150～160℃预处理后活性高,对原料中的水敏......
对沙钢2 500m^3高炉进行风口焦炭取样,测定风口焦炭灰分、粒度、光学组织、石墨化程度、反应性以及最大承受压力,对比分析风口焦炭......
为解决四象限交流斩波电路在无功负载条件下的建模和纹波计算问题,应用电路大信号理论建立了电路工作在CCM模式下的大信号模型。然......
传统的天然气蒸汽重整制合成气在天然气间接转化利用过程中约占总费用的６０％左右。甲烷催化部分氧化制合成气反应是一个温和的放热过程......
以直接来源于炼油企业的工业硫磺和硫化钠、溴乙烷为原料，在相转移催化剂四丁基溴化铵的作用下合成二乙基多硫醚混合硫化剂，对影响产......
目的研究特勤疗养对高海拔官兵反应时的影响。方法选取某边防团海拔4000米以上高原官兵75名，返回平原后其中26名赴疗养院开展特勤疗......
以硫酸盐为原料,用高温固相反应法制得性能优良的MgAI2O4尖晶石超微粉,运用TGA/DTA,XRD,SEM等手段研究了尖晶石的形核生长过程及相......
为研究炸药的爆轰过程,采用双灵敏度VISAR测试技术,在炸药后加LiF晶体作为测试窗口,直接测试了点起爆方式下TNT炸药-LiF晶体界面的......
根据煤矿变电所负荷变化频繁的特点，为有效抑制电网谐波和提高功率因数，采用谐波滤波及无功分段补偿技术。技术关键为对滤波与无功补......
从硬件电路的实现和控制策略上对经济、实用的单桥路静止无功发生器SVG(Static Var Generator)进行了分析。并以油田配电系统为例，......
提出一种基于可控电抗器的双调谐滤波器控制技术。该控制技术通过调整可控电抗器交流电感值，将滤波器从失谐状态调整到谐振状态，从而......
在不对称电网故障下,采用基于同相位补偿法改进控制策略的新型动态电压恢复器（DVR）,提高双馈风力发电机（DFIG）的低电压穿越能力。通过......
以商业颗粒活性炭(GAC)为载体,乙酸锰为锰源,采用等体积浸渍法制备系列MnOx/GAC复合材料。通过X-射线粉末衍射、透射电镜、拉曼光......
针对中国石油四川石化有限责任公司2.5 Mt/a裂化装置工艺技术及运行情况,从工艺、原料、催化剂、反应深度、产品馏程等方面分析了......
在合适的蒸煮工艺条件下，研究了上海朱行麦草NH4OH—KOH法制浆的反应历程和反应动力学。结果表明，脱木素过程可分为从室温升温至100......
为满足负载在实际船舶中的无功需求,研究在电网不平衡的情况下,船舶并网逆变器输出无功功率的控制方法。针对船舶并网逆变器在电网......
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目的观察卡铂（carboplatin）对HN-3人喉鳞癌细胞体外增殖的抑制作用、凋亡诱导，探讨活性氧生成在其中的作用。方法用卡铂以不同孵育浓......
攀钢含钛高炉渣是一种尚待开发利用的钛资源。 选用攀钢含钛高炉渣经选择 性分离后的富钛精矿为原料， 以液固异相反应的收缩未反应......
<正> 铂/L分子筛新型重整催化剂具有碱性、单功能与独特的孔结构。与双功能催化剂对比,它对n-C_6～n-C_8直链烷烃有极高的芳构化活性......
