硫酸钡
- 名barium sulfate;barium sulphate
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该涂料配方的秘密也使其生产成本相对低廉:科学家们使用了高浓度的硫酸钡化合物,这种化合物已被用于造纸。
The secret to its formulation also makes it relatively3 cheap to produce : the scientists used high concentrations of a compound called barium sulphate , that 's already used to make paper .
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硫酸钡混悬剂用作MRI胃肠腔造影剂的研究&(Ⅰ)实验研究
Barium Sulphate Suspension used as a Oral Contrast Agent ──ⅰ . Experimental Study
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CT用硫酸钡造影剂的制备
The preparation of barium sulfate contrast agent used in CT
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制备含有硫酸钡的CT用X射线造影剂。
The contrast agent which contains barium sulfate used in X ray in CT has been prepared .
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硫酸钡在ABS色母粒及其着色制品中应用性能的研究
Study on the Application of Barium Sulfate in ABS Color Master Batch and Its Products
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胜利油田硫酸钡锶垢阻垢剂BR的研究
Research on Barium and Strontium Sulfate Scale Inhibitor BR for Shengli Oilfield
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结论:硫酸钡混悬剂有良好的阴性MRI造影效果,本研究提出的硫酸钡混悬剂可望用于临床造影。
Conclusion : Barium Sulphate Suspension has good MRI negative contrast effect , the Suspension presented here is suitable for clinical application .
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EDTA络合滴定法测定硫酸钡纯度
EDTA Complexometric Titration Measurement Measuring Barium Sulfate Purity
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CPC可直接显影,PMMA加入硫酸钡后显影良好。
CPC cement was naturally radiopaque , PMMA had a good visibility by the addition of sulfate barium .
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方法:对8例正常成人小肠标本采用ABS血管铸型、硫酸钡墨汁混悬液血管造影及图像分析进行血管研究。
Materials and Methods : Eight biopsy specimens from normal adults were studied with vascular cast , an-giography and quantitative analysis .
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考察了防垢剂加量、防垢时间、温度、氯化钠含量、体系pH值对高含钡地层条件下硫酸钡垢防垢效果的影响。
The influences of scale inhibitor concentration , antiscaling time and temperature , NaCl concentration , and pH value on the efficiency of the inhibitor FX were studied .
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高含钡地层条件下硫酸钡垢防垢剂FX的性能评价
Evaluation of Barium Sulfate Scale Inhibitor FX at the Condition of High Barium - containing Reservoir
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DTPA溶解硫酸钡垢的实验研究
Laboratory study on DTPA dissolving BaSO 4 scale
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Kevlar浆粕和冰晶石及硫酸钡在摩擦材料中的作用
Effects of Kevlar Pulp , Cryolite and Precipitated Barium Sulfate on Braking Friction Materials
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前言:目的:采用EDTA配位滴定法准确快速测硫酸钡纯度并与常用的铬酸钡容量法进行对照。
Objective : To dopt EDTA complexometry veraciously quickly measure barium sulfate purity and in contrast to barium chromate volumetric procedure .
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利用硫酸钡和晶种低KH配料生产水泥的研究
Research on the Production of Cement with BaSO_4 and Seed Crystal by Low KH Batch Mixing
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本文研究了硫酸钡在氨水溶液中与EDTA的反应条件,提出用EDTA滴定法测定三硝基间苯二酚中的硫酸。
This Paper studies the reaction conditions of the Barium Sulphate and EDTA in ammonia water solution and proposes to use EDTA titration to determine sulphuric acid in Trinitro-resorcinol .
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硫酸钡漫反射板在250~400nm光谱辐射亮度标定中的应用研究
Application of BaSO_4 Diffuser Plate in 250-400 nm Spectral Radiance Calibration
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结果表明,除垢剂QX是一种理想的硫酸钡锶垢除垢剂。
The result indicates that the detergent QX is an ideal one to remove barium and strontium sulfate scale .
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结果:50%W/V硫酸钡溶液、12%V/V葡萄糖酸亚铁糖浆溶液在各组中对胃肠道液体信号的抑制效果理想。
Results : Fifty percent ( W / V ) barium sulfate suspension and 12 % ( V / V ) ferrous gluconate syrup were the best for inhibiting the high signals from the weter in the gastrointestinal tract in each group .
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分析了Kevlar浆粕、冰晶石及沉淀硫酸钡对制动摩擦材料摩擦磨损性能、洛氏硬度及冲击强度的影响。
The effects of Kevlar pulp , cryolite and precipitated barium sulfate on friction and wear performance , Rockwell hardness and impact strength of friction materials were examined .
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绝经综合征评定量表与KI、更年期生存质量量表的比较研究离子色谱法与硫酸钡比浊法测定琼胶糖中硫酸基含量的比较研究
Comparative Study of Chinese Menopause Rating Scale and KI , Menopausal Quality of Life Scale ; Comparison of Ion Chromatographic and Barium Sulfate Turbidimetric Determination of Sulfate Group in Agarose
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硫酸钡垢阻垢剂AA-MA-HPA共聚物的合成
Synthesis of AA-MA-HPA Polymer and Its Inhibition for BaSO_4 Scale
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硫酸钡防垢剂FGJ-2的合成与性能评价
Synthesis of barium-sulfate scale inhibitor fgj-2 and its property evaluation
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提出了在乙醇水介质中采用硫酸钡沉淀滴定法测定氯化钡中钡的含量.试样溶解并消除干扰后,在pH2.0~3.0的乙醇水介质中,以茜素S为指示剂,用Na2SO4标准溶液进行滴定。
It is put forward that the content of barium in barium chloride is determined using barium sulphate volumetric precipitation method in ethanol - water medium .
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对采出水回注系统而言,生物破乳剂能降低采出水的均匀腐蚀速率,减少水中TGB的数量,并减少采出水硫酸钡结垢的趋势。
In terms of reinjection system , the separated water using microbial demulsifiers had lower uniform corrosion rate , less TGB number and slower barium sulfate scaling tendency .
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结果表明:填加Kevlar浆粕、冰晶石及硫酸钡能不同程度地提高并稳定摩擦因数、降低比磨损速率,其中Kevlar浆粕和冰晶石的混杂效应最为明显;
The results showed that coefficient of friction was increased and stabilized and specific wear rates were decreased as the Kevlar pulp , cryolite and precipitated barium sulfate were filled and , particularly , the hybrid of Kevlar pulp and cryolite had a significant effect .
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摆式磨粉机在沉淀硫酸钡生产中的应用
Application of Pendulum Grinder in the Production of Sedimentary Barium Sulfate
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硫酸钡吸光比浊法测定大蒜中大蒜素含量
Determination of the Garlicin Content in Garlics by Barium Sulfate Turbidimetry
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卧式沉降离心机分离沉淀硫酸钡的研究
Study on the separating of barium sulfate by horizontal centrifugal subsider