METHOD X-ray diffraction method was used in the analysis to distinguish crude and calcined gypsum from medicinal minerals containing calcium. 方法应用X射线衍射法对石膏分析研究,并以X射线衍射法对中药石膏生、煅品与类似含钙矿物药的生、煅品加以区别。
Spectrophotometric Determination of Trace Calcium(ⅱ) with Chlorophosphonazo ⅲ in Manganese Compound in the Presence of Triton X 100 TritonX-100存在下偶氮氯膦Ⅲ分光光度法测定锰化合物中的微量钙
The effects of the initial calcium/ phosphorus molar ratio and the pH of the solution on the microstructure and phase composition of the powders were studied by scanning electron microscopy ( SEM) and X-ray diffractometry ( XRD). 通过扫描电子显微镜(SEM)和X射线衍射分析(XRD)研究了配料的Ca/P物质的量比和溶液的pH值对粉体显微结构和相组成的影响。
The composite of calcium phosphate cements/ polyglycolic-polylactic acid was prepared. The compressive strength, X-ray diffraction and Scan electron microscope analysis of CPC-PLGA were studied. 方法制备了CPC-PLGA复合材料,测定其抗压强度,通过X射线衍射(XRD)分析固化产物的物相组成、扫描电镜(SEM)观察其微观结构,并与单一的CPC材料进行对照。
The results of scanning electron microscopy with an energy dispersive X-ray analysis system ( SEM-EDAX) showed that the synthesized composite, which has special microstructure and morphology and certain orientation, was different completely from the calcium carbonate that was formed in the water. 扫描电子显微镜和能量分散X射线(SEM-EDAX)分析表明,明胶基质中形成的碳酸钙完全不同于纯水中形成的碳酸钙,具有独特的微观结构形态和取向。
The lattice constants of crystalline calcium potassium sodium orthophosphate [ Ca2KNa ( PO4) 2] were investigated with wide angle powder X ray diffraction ( XRD) method. 通过大角度的粉末X射线衍射测定了正磷酸钠钾钙犤(Ca2KNa(PO4)2)犦晶体陶瓷的晶格参数。
As studied by X-ray energy spectrum and atomic absorption spectrum, the cell wall of Rhizopus Oryzae contains only 0. 036% of calcium in dry weight. 用X-ray能谱及原子吸收光谱研究,发现Ca(Ⅱ)仅占米根霉细胞壁干重的0.036%。
The calcium sulfate double salt Na_4Ca ( SO_4)_3 was prepared by high temperature synthesis method. The modern instruments such as XRD, TG-DTA and SEM etc., were used to research the processing steps of the double salt. 用高温合成法制备出硫酸钙复盐Na4Ca(SO4)3,利用差热分析、X射线衍射、扫描电子显微分析等现代测试仪器研究了该复盐的反应历程。
Using such means as chemical analysis, X-ray diffraction pattern, polarizing microscopy and scanning electronic microscopy, this paper has discussed the features and formation processes of secondary calcites in calcium nodules within ustic vertisols in Yuanmou Basin, Yunnan Province. 利用化学分析、X射线衍射、偏光显微镜和扫描电子显微镜等探讨云南省元谋盆地干润变性土钙质结核中的次生方解石的特征和形成过程。
Calcium antimonate became much denser in the middle lamella and the X ray microanalysis showed that the Ca/ P ratio in the cell wall decreased obviously. 用X射线能谱仪测得细胞壁上Ca/P明显下降。
Modified calcium sulphate whiskers are characterized with active exponent, contact angle, SEM, X-ray diffraction and IR respectively. 改性硫酸钙晶须产品采用活化指数、接触角、扫描电子显微镜、X射线衍射和红外光谱分析进行表征。
Determination of silicon and calcium in silicon-calcium alloy with fluorescent X-ray chromatography X射线荧光光谱法测定硅钙合金中的硅和钙
Comparative Analysis on Various Calcium Oxalate Hydrates by SAED and XRD 不同晶相草酸钙晶体的选区电子衍射和X射线衍射比较分析
Experimental study of Li-like calcium and potassium ion X-ray lasers 类锂钙和钾离子X射线激光的实验研究
The applications of soft X-ray microscopy in study of alkali-aggregate reaction and calcium distribution in cement were introduced. 在此主要介绍软X射线显微术在水泥碱骨料反应机理研究以及水泥中钙分布分析的优势。
X-Ray Absorption Method for On-line Analysis of Calcium Chloride 在线分析氯化钙的X射线吸收法
The result shows that the absorption facts of the former to NOx is higher than the latter, and the lay-product calcium nitrite can be obtained. 在小试装置上做了石灰乳与纯碱溶液的吸收对比实验,结果表明:石狄乳对NOX的吸收效果高于纯碱溶液,并且能够生产出合格的亚硝酸钙产品。
Through XRD, there are dicalcium silicate, tetracalcium ferrite, calcium chromate, calcite and chromium iron spinel mineral in chromium residues. 运用X射线衍射仪对铬渣中所含矿物进行研究,可以看出铬渣中主要含有硅酸二钙和铁铝酸四钙,还含有铬酸钙、方镁石、方解石、铬铁尖晶石等矿物。
The influence of zirconia on thermal shock stability of corundum-spinel castables was studied by using corundum, spinel, calcium aluminate cement and ultra-fine alumina powder as main starting materials, the phase compositions and microstructure were studied by using XRD and SEM. 以刚玉、尖晶石、纯铝酸钙水泥和氧化铝微粉为主原料,研究了氧化锆对刚玉-尖晶石浇注料热震稳定性的影响,并采用X射线衍射和扫描电镜分析了试样的相组成和显微结构。
This paper reports an X-ray absorption method for on-line analysis of calcium chloride. 本文叙述了一种在线分析氯化钙的X射线吸收法。
The confined structure behavior of nylon 6/ calcium chloride complex was studied by means of DSC, Insitu FT-IR, WAXD and high pressure capillary rheometer. 采用DSC、在位红外、X射线衍射分析和高压毛细管流变等方法研究了尼龙6/氯化钙复合物的结晶和流变行为。
Furthermore, calcium type, natrium type and their mixture type of S/ I have been identified according to the d values of main peaks on the XRD. 据定向X射线衍射谱图上S/I主峰d值大小,进一步识别出钙型S/I、钠型S/I及钙钠过渡型S/I。
The compound of calcium zincate, of which the composition was Ca ( OH) 2 · 2 Zn ( OH) 2 · 2 H2O, was prepared by a chemical method. The crystal structure was verified by XRD. 用化学方法合成了化学组成为Ca(OH)2·2Zn(OH)2·2H2O的锌酸钙,并用X射线衍射进行了证实。
Distribution of intracellular calcium in canine neuron determined with the method of cytochemistry and energy dispersive X ray analysis after deep hypothermic circulatory arrest 应用细胞化学法与X-射线能谱分析研究深低温停循环后犬神经细胞内钙的分布
Calcium magnesium acetate ( CMA) is a green chemical. It can be used as deicer for highways and also as absorbent for NO x and SO 2 to control atmospheric pollution caused by coal combustion. 醋酸钙镁盐(CMA)是环保型化学品,可作为高速公路的除冰剂,也可作为NOx和SO2的吸收剂,控制煤燃烧造成的大气污染。
Calcium silicate hydrate ( CSH) materials of varied calcium to silicon ( Ca/ Si) ratios were prepared by hydrothermal synthesis at 80 ℃, with calcium oxide and micro-silicon employed. 以氧化钙、硅灰为原料,在80℃水热条件下,能合成不同钙硅比的水化硅酸钙(CSH),用X射线粉晶衍射(XRD)鉴定表明产物都为凝胶相。
The roasting process of copper sulfide concentrate in the presence of calcium carbonate is studied by using the differential thermal analysis ( DTA), thermogravimetric ( TG) and X-ray diffraction. 通过DTA和TG结合X射线衍射分析的方法,将硫化铜精矿加碳酸钙焙烧与硫化铜精矿焙烧的反应机理进行了对比研究。
It was observed that kaolinite and quartz in coal hydrothermally reacted with calcium forming hydrated calcium aluminosilicates, which, unlike the original minerals, was inactive for the deactivation reactions of potassium. 通过X衍射可以观察到煤中的高岭土和石英等矿物质在水热条件下生成了钙铝硅酸盐,这种盐在气化中不会与钾反应。
By the experimental analysis of the following results: 1. In this paper, X-ray spectrometer and scanning electron microscopy to explore the elements of the composition of eggshell, ultrastructure and eggshell formation in calcium deposition relationship. 由本实验分析得出以下几个结果:1.本文用X射线能谱仪和扫描电镜来探寻蛋壳的元素组成、超微结构与蛋壳形成过程中钙沉积的关系。