CHROMIUM相关论文
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由于自由定标法-激光诱导击穿光谱(CF-LIBS)需要元素归一化，多元素同时参与计算，土壤中微量元素谱线较弱，计算Saha-Boltzmann斜线困难......
应用共轴双脉冲激光诱导击穿光谱(DP-LIBS)技术对食用植物油中重金属Cr含量进行快速定量检测。采用二通道高精度光谱仪采集样品的......
CrN coated steels assisted with a nano Cr interlayer were investigated. The Cr nano-interlayers were prepared by sputter......
目的了解西部某县长期饮水暴露六价铬（Cr6+）人群的暴露水平及健康危害情况，为制定预防措施提供科学依据。方法2015年对西部某县抽取的......
随着汽车的普及和生活节奏的加快,人们在日常生活中越来越多的使用汽车。对于车载多媒体系统,广大消费者已经不再仅仅满足于本地音......
随着互联网技术的高速发展和教育思想的不断改革,传统的线下纸质考试方式的弊端越来越凸显出来。在传统考试中,印刷试卷、分发试卷......
在专利确权程序中,当权利要求技术特徵的文义包含多种含义可能需要将其解释为说明书的具体实施方式时,应当考察该多种含义之间的相......
The extraction of vanadium from high calcium vanadium slag was attempted by direct roasting and soda leaching. The oxida......
Surface Cleaning or Activation? Control of Surface Condition Prior to Thermo-Chemical Heat Treatment
Actual heat treatment processes must face increasing specifications with reference to process quality, safety and result......
Reduction of Cr(VI) to Cr(III) were studied in a fresh wheat rhizosphere soil (Kuroboku, high humic andosol) pretreated ......
Arc spraying with the cored wires was applied to deposit FeMnCr/Cr3C2 coatings on low carbon steel substrates, namely FM......
Tempered tool steel 5Cr15MoV was normalized at different temperatures followed by air-cooling.It is found that the hardn......
In this paper,one kind of silicate passivation technics was reported and by which method silicate passivation film on ga......
Electrochemical reduction of Cr(Ⅵ)in the presence of sodium alginate and its application in water pu
Chromium(Cr)is used in many manufacturing processes,and its release into natural waters is a major environmental problem......
An echelle diffraction grating based high-resolution spectrometer-on-chip on silicon oxynitride (SiON) waveguide platfor......
Reactive ion etching(RIE) of LiNbO_3(LN) in SF_6 plasma atmosphere was studied for optimizing the preparation conditions......
The removal of Cr, sulfates and Chemical Oxygen Demand (COD) from industrial tannery wastewater by chemical precipitatio......
激光诱导击穿光谱(LIBS)技术结合支持向量机(SVM)定量分析土壤中Cr元素的含量。利用波长为1 064nm的Nd∶YAG脉冲激光器作为激发光......
本文通过对荣华二采区10...
研究了铬(Ⅵ)对硝酸氧化三溴偶氮胂(TBAA)褪色反应的催化作用及其动力学分析，建立了测定痕量铬的新方法。捡出限可达ng级，线性范围0～2......
Identification and characterization of the chromium(Ⅵ) responding protein from a newly isolated Ochr
A Gram-negative, chromium(Ⅵ) tolerant and reductive strain CTS-325, isolated from a Chinese chromate plant, was identif......
The impact of chromium (III) and (VI) forms on soil catalase activity is presented.The Orthic Podzol, Haplic Phaeozem an......
Nano-sized Fe2O3/Fe3O4 facilitate anaerobic transformation of hexavalent chromium in soil-water syst
The purpose of this study is to investigate the effects of nano-sized or submicro Fe2O3/Fe3O4 on the bioreduction of hex......
The effect of low-molecular-weight organic-acids (LMWOAs) on treatment of chromium-contaminated soil
A soil-plant biological system was developed from chromium (Cr) polluted soil treated by the compost-phytoremediation me......
Microwave mediated synthesis and characterization of CeO2-GO hybrid composite for removal of chromiu
A facile fabrication and processing of cerium oxide-graphene oxide (CeO2-GO) hybrid nanocomposites without the use of an......
Effect of Cr2O3 addition on the oxidation induration mechanism of Hongge vanadium titanomagnetite pe
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......
Three-liquid-phase extraction and separation of V(Ⅴ) and Cr(Ⅵ) from acidic leach solutions of high-c
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......
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......
Effects of TIG Surface Melting and Chromium Surface Alloying on Microstructure,Hardness and Wear Res
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......
A new niobate crystal was synthesized for the first time in BaO-NaO-Cr2O3-Nb2O3 system by the solid state reaction and t......
Effect of gallium,aluminium,and chromium on silica supported V-Mg-O catalysts during oxidative dehyd
The oxidative dehydrogenation(ODH)of propane was conducted on gallium,aluminum.and chromium doped Si30VMgO catalysts.On ......
Effect of combining the metals of group VI supported on H-ZSM-5 zeolite as catalysts for non-oxidati
The most prestigious catalyst applied in natural gas (methane) non-oxidative conversion to petrochemicals is 6%Mo/H-ZSM-......
Microstructures have profound effects on the hardness and strength of Cu-Cr alloys. The microstructures of a Cu-Cr alloy......
Effect of cooling parameters on the microstructure and properties of Mobearing and Cr-bearing steels
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......
Sintering behavior of Cr in diff erent atmospheres and its eff ect on the microstructure and propert
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......
Effect of FeO on the formation of spinel phases and chromium distribution in the CaO-SiO2-MgO-Al2O3-
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......
Sintering behaviors and consolidation mechanism of high-chromium vanadium and titanium magnetite fin
To achieve high efficiency utilization of high-chromium vanadium–titanium magnetite(V–Ti–Cr) fines, an investigation ......
Influence of chromium on the initial corrosion behavior of low alloy steels in the CO2-O2-H2S-SO2 we
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......
Effects of smelting parameters on the slag/metal separation behaviors of Hongge vanadium-bearing tit
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......
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......
Due to the importance of environment to the health of people living around,in this work,we studied the possible con-tami......
Combined Toxicity of an Environmental Remediation Residue, Magnetite Fe3O4 Nanoparticles/Cr(VI) Addu
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......
目的建立水中Cr(Ⅲ)和Cr(Ⅵ)的柱前衍生-液相色谱同时测定法。方法水样经吡咯烷二硫代氨基甲酸铵(APDC)衍生,其中,Cr(Ⅲ)生成Cr(PD......
本文研究了钙基蒙脱石吸附Cr~(3+)前后及不同温度热处理后产物的结构变化,运用了X射线荧光光谱法、X射线衍射术、傅利叶变换红外吸......
Azo dyes discharged in the environment are persistent organic pollutants (POPs), which are very difficult to remove. We ......
The specimens were prepared using Cr2O3 micropowder, TiO2 micropowder and chromium powder as starting materials, PVA as ......
[目的]为优化铁皮石斛原球茎富铬培养工艺。[方法]通过Plackett-Burman 试验对时间、温度、培养基铬浓度、NAA浓度、KT浓度和光照......
