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- direct photometry method 直接光度法
- Keywords rare - earth in grain DBS - AZO arsine direct photometric method; 粮食中的稀土;DBS-偶氮肿;直接光度法;
- Direct Photometric Method for the Determination of Nickel and Copper in Monel Alloy 分光光度法测定蒙乃尔合金中镍量、铜量
- The mechanism of collagen mineralization was studied by ultraviolet photometry method. 用紫外分光光度法研究了胶原生物矿化的机理。
- To raise the accuracy and precision of volatilizable phenol measurement,4-AAP extraction photometry method was used to measure the content of volatilizable phenol in seawater. 为提高挥发酚测定的精密度和准确度,用4-氨基安替比林光度法测定海水中挥发酚含量,该法符合质量要求。
- The content of the phenols in the FCC gasoline is determined by the 4-amino antipyrine direct photometric analysis method. 采用4-氨基安替比啉直接光度法测定了化裂化汽油中的酚类化合物的质量分数。
- Keywords DDTC;copper and direct photometry; 铜;直接光度法;
- Study on the Solvent Floatation Photometric Method for Determination of Trace Copper. 溶剂浮选光度法测定痕量铜。
- Milk and milk products. Determination of the copper content. Photometric method. 奶和奶制品。铜含量的测定。光度计法。
- Determination of arsenic content.Silver diethyldithiocarbamate photometric method. 标准/规范英文名： Condensed phosphates for industrial use (including foodstuffs).
- Sodium periodate photometric method and flame atomic absorption spectrometric method. 高碘酸钠分光光度法和火焰原子吸收分光光度法。
- A new photometric method for the determination of micro-amounts of bromate is proposed based on the oxidation of isatin by bromate in HC1 medium. 在盐酸介质中,依据溴酸根离子氧化靛红褪色的原理提出了测定溴酸根离子的新方法,研究了测定的最佳条件。
- She cast her eyes down to avoid direct eye contact. 她垂下双目以避免对视。
- Condensed phosphates for industrial use (including foodstuffs). Determination of arsenic content. Silver diethyldithiocarbamate photometric method. 1979工业浓磷酸（包括食品工业）.;氯化物含量的测定
- I'll book you on a direct flight to London. 我将为你预订直飞伦敦的航班。
- Ultraviolet photometric method is used to determinate the concentration of ozone from ozone instrument and compare normal curve of Indigo Disulphonate Spectrophotometry. 用紫外分光光度法对臭氧发生器在不同流量时所产生的臭氧浓度进行了测定,绘制并比较了不同方法建立臭氧浓度标准曲线之间的差异。
- Determination of Microcontent W in Tailing of Gravity Treatment with Salt Rhodanate in Direct Photometry 硫氰酸盐光度法直接测定黑钨选厂重选尾砂中的微量钨
- The accuracy can be optimized by strengthening quality control of critical factors in the process of test of ammonia density in indoor air with indophenol blue photometric method. 通过对室内空气中氨的靛酚蓝分光光度法检测的整个相关过程的影响因素进行质量控制,从而提高室内空气中氨浓度检测的准确性。
- Keywords copper-nickel alloy;ammoniac medium;oxidant（iodine）;dimethylglyoxime;direct photometry;nickel; 铜镍合金;氨性介质;碘氧化剂;丁二酮肟;直接光度法;镍;
- Based on this phenomenon, a sensitive photometric method for the determination of 4-methylimidazole in caramel was proposed with relatively high accurancy and precision. 本文采用分光光度法对焦糖色中4-甲基咪唑进行了定量测定,克服了传统薄层法的精密度、准确度不高的弱点。
