The weight changes of the specimens were measured using an electronic analytical balance.

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To determine the content and release of encapsulated organic chemical both gas chromatography and gravimetry were used.

通過乳液聚合和復(fù)凝聚法以十二醇為昆蟲激素模擬物制備了包覆有十二醇芯材的聚合物復(fù)合顆粒，同時(shí)使用氣相色譜法和重量法對(duì)該復(fù)合顆粒中十二醇的含量進(jìn)行了對(duì)比驗(yàn)證国产人成网线在线播放va。

Methods: To weight immune organs, detect macrophage phagocytosis and hemolysin antibody production, lymphocyte transfermation and MTT.

采用免疫重量法計(jì)算脾臟和胸腺指數(shù)久草久草视频、巨噬細(xì)胞測定法及溶血素測定法、淋巴細(xì)胞轉(zhuǎn)化實(shí)驗(yàn)男人的视屏超碰女人帮、MTT法測定亚洲可以免费在线观看的黄色网址。

The result shows that the solid contaminant numbers detected by an automatic counter is directly proportional to the contaminant weight.

結(jié)果表明，用自動(dòng)計(jì)數(shù)法所測油液中粒度不小于4μ国产色妇女在线视频、μ日韩特黄A片毛多片免费观看、4μ的固體污染物顆粒數(shù)與用重量法所測單位體積內(nèi)固體污染物的重量成正比。

Experimental results showed that the relative average error of the proposed method, the hydrazine hydrate gravimetry and the ammonium chloroplatinate gravimetry is -0.14%~+0.13%,-0.21%~+0.21% and -0.13%~+0.14%, respectively, and the relative standard deviation of three methods is 0.05%~0.08%, 0.11%~0.14% and 0.08%~0.09%, respectively, for Pt content from 37% to 65%. Therefore, the accuracy and precision of the proposed method are almost the same with hydrazine hydrate gravimetry, and are a little better than ammonium chloroplatinate gravimetry. But it is rapid, economic, secure, easy to operate and environmental friendly.

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He sample is dissolved in a mixture of nitric acid and potassium chlorate.The determinations of Te,Bi,Fe and Cu are performed on a flame atomic absorption spectrophotometer.The selenium is determined photormetrically with 3,3'-diaminobenzidine,and the sulfur is determined gravimetrically as barium sulfate,precipitated frorm an EDTA-citric acid medium.

輝碲鉍礦物經(jīng)HNO＿3－KCIO＿3溶解，用火焰原子吸收法或乙二胺四乙酸二鈉絡(luò)合滴定法測定Bi欧欧美一级清，火焰原子吸收法測定TeAAA黄片一级二级三级、Fe、Cu免费人成网站视频观看点击进入，3呦精品www在线播放，3＇二氨基聯(lián)苯胺光度法測定Se，硫酸鋇重量法測定S涩涩在线播放视频视频。

The chemical analysis of N, P and K in organic fertilizer is presented: sample is decomposed by sulfuric acid-hydrogen peroxide and prepared to be a solution. N can be determined by NC-2 model quick N analysis set, P by chinoline molybdic acid method and K by tetraphenylboron potassium, needless of spectral photometer and flame photometer, the method is available when the content of N, P or K is over 0.1% with desired accuracy and precision.

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In this paper,the authors compared extraction spectrophotometric method with gravimetric method in the determination of naphthenic acid in oil refining sewage,and found that the former method is better than the latter both in precision and operation.

討論了萃取分光光度法測定煉油污水中環(huán)烷酸含量的測定條件和干擾因素并與重量法進(jìn)行了比較，萃取分光光度法的精確度比重量法高而操作比重量法簡單www三级片网站com。

The analysis theory of gravimetric method is used for analyzing the experimental conditions in determining total sulfur in coal by Eschka method.

將重量法分析理論應(yīng)用于煤中全硫測定中艾氏法的試驗(yàn)條件分析5要A片欧美无线看，介紹了影響艾氏卡重量法測全硫準(zhǔn)確度的幾大因素與對(duì)策。

Acetone-berberine quantitative method is recorded in J.P. X., but this method is complex, difficult and not accurate. In U.V. spectrophotometry determination, the absorbance of berberine will be disturbed by palmatine and other color constituents in these drug extracts. So we modified and used the T.L.C. scanning method and found that it is an accurate, prompt and useful method.

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Weighting method：重量法;稱重法

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gasometric method：氣量法

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gravimetric method：重量法

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Gravimetry,gravimetric analysis：重量分析法

重離子核化學(xué)||heavy ion nuclear chemistry | 重量[分析]法||gravimetry, gravimetric analysis | 重量法||gravimetric method

gravimetric analysis method：重量分析法

gravel layer 疏水石 | gravimetric analysis method 重量分析法 | gravimetric method 重量法