用碱熔法使海带中的碘以i-形式转移到溶液中，然后在酸性条件下用过氧化氢氧化，三氯甲烷萃取，经分光光度标准曲线法测得海带中碘含量大约为426。
I - was obtained from the kelp by alkali fusion, then oxidized by H2O2 in acidic solution, thus we can determine the iodine content by extraction spectrophotometry, which is about 426.
本标准描述了外部锁定型光控器之间的光度控制方法。
This standard describes methods of light level control between an external locking type photocontrol.
原理上，我们可以通过观测所谓的标准烛光(一种天体，它的绝对光度是相同的)来追溯宇宙内的历史。
In principle, one can trace that history back in cosmic time by observing a so-called standard candle, a class of astronomical object whose intrinsic luminosity is uniform.
以芦丁为标准物质，用分光光度法测定了甘蔗糖蜜酒精废液中黄酮类化合物的含量。
The content of flavonoids in waste liquid of alcohol production from sugarcane molasses was determined by spectrophotometry using rutin as standard substance.
国家标准规定分光光度法和气相色谱法为杂醇油的分析方法。
Spectrophotometric method and gas chromatography were the authorized national standard analytical methods to fusel oil.
红外光度法是目前中国测定油类的标准方法，也是唯一一种在对油测定中既能进行定性分析，又可以进行定量分析的方法。
Infrared photometric method, the standard method to determine oil quality in China, is the only method which is not only qualitative but also quantitative.
本文采用国家标准方法——酚试剂分光光度法对成都50多处房屋室内的甲醛浓度及其变化规律作了具体的分析，结果显示，总样品甲醛平均浓度为0。
Using the national standard method-folin spectrophotometry, this paper makes detailed analysis of the concentration and the changing law of formaldehyde existing in the 50 more houses in Chengdu.
在标准分析方法中，采用原子荧光分光光度法测定水中砷、硒、汞所用的标准溶液系列必须每次配制，给工作带来很大的不方便。
For the standard analytical method, the series of standard solution for the determination of As, se and Hg in water by atomic fluorescence spectrophotometry must be prepared for every test.
与普通的分光光度法相比，该方法的优点是不需要用标准蒙脱石样品作标准曲线。
In comparison with general spectrophotometric method, the advantage of this method is that no standard sample is needed for standard curve.
以芦丁为标准样品，比较了可见光及紫外光分光光度法测定食品包装纸用色素紫甘薯总黄酮的方法。
Using rutin as the standard sample, total flavonoid content in purple sweet potato for food packaging paper dying was determined by Vis-and UV-spectrophotometry.
介绍用四甲基联苯胺分光光度法测定水中余氯的原理、氯标准曲线的绘制、样品测试，该方法的结果与讨论。
The principle of spectrophotometry with tetramethyl-benzidine, the drafting of chlorine standard curves, sample tests, and the results and discussions of the method are introduced.
以D-甘露糖为标准，DNS作显色剂，用分光光度法间接测定椰子壳中甘露聚糖的含量。
Using carubinose as standard, DNS as color developing reagent, the content of mannan in coconut shell was indirectly determined by spectrophotometry.
采用标准加入原子吸收分光光度法测定铅锡合金锭液中铅的浓度，试验确定了最佳的测定条件。
The lead concentration in Pb-Sn alloy plating bath was determined by standard additional atomic ab-sorption spectrometry, and the optimal determination conditions were obtained.
以盐酸为溶剂，N乙酰基D葡萄糖胺为标准品，用紫外一阶导数光度法直接测定壳聚糖的脱乙酰度。
The degree of deacetylation of chitosan was determined directly by 1st derivative UV spectrophotometry using hydrochloric acid as solvent and N acetyl D glucosamine (ACGLSM) as standard.
方法：样品用硝酸和高氯酸消化后，导入火焰原子吸收分光光度计中，与标准系列比较定量。
Methods: the sample, after the nitric acid and the perchloric acid digestion was induced in the flame atom absorption spectrophotometer with standard series comparison quota.
用数理统计方法改进了邻菲啰啉分光光度法测定铁的条件试验和标准曲线，有效地提高了分析结果的准确性。
The conditional test to measure iron by means of O-phenanthroline spectrophotometry and the standard curve are improved with mathematical statistics.
以d -木糖为标准，DNS为显色剂，采用分光光度法间接测定椰壳中木聚糖的含量。
Using D-xylose as standard and DNS as color developing reagent, the content of xylose in coconut shell was indirectly determined by spectrophotometry.
以d -甘露糖为标准，DNS作显色剂，用分光光度法间接测定脱脂咖啡渣中甘露聚糖的含量。
By using mannose as the standard and DNS as colour developing reagent, the author indirectly determinated the content of mannan in defatted coffee grounds by spectrophotometry.
影响测定结果的分量主要有：标准溶液、回归曲线、样品平行试验、二乙酰一肟分光光度法、分光光度计、取样等。
Mainfactors are as follows: standard solution, regressive curve, parallel experiment of sample, diacetyl monoxide's reagent colorimetric method, spectrophotometer, sampling, etc.
建立了快速检测水产品中呋喃唑酮残留量方法。 采用分光光度法，以校准曲线法、标准加入法检测海虾、养殖虾中呋喃唑酮残留量。
A spectrophotometric method for the fast determination of furazolidone residue in the aquatic products with standard curve and standard addition was developed.
介绍了在分光光度法分析中，增色反应和褪色反应的标准曲线绘制用朗伯—比耳定律可推导出一般数学表达形式。
The paper uses Bouguer-Beer law calculating common mathematic expression to protract specification curve of increasing color reaction and depigmentation reaction in spectrophotometry analysis.
方法：采用离子对萃取—分光光度法测定，并对标准曲线制备、加样回收率试验、精密度试验、专属性试验、耐用性试验等项目进行了方法学考察。
METHODS:Spectrophotometry of ion-couple extraction was employed and methodology was examined for preparing standard curve , added aconitine recovery, precision, exclusivity, and durability.
方法标准化的尿碘砷铈催化分光光度测定方法检测碘缺乏病监测尿样。
Methods To detect the urine samples by using the standard method. Results This standard method is sensitive and accurate.
方法：采用紫外分光光度法建立两者的标准曲线和测定回收率，并观察不同温度下、不同时间的配伍稳定性。
Methods: Adopt UV separate established standard curve and determined recycle rate and observed stability of Cephradine in Tinidazole at varying time.
这个实验采用转篮法，对五个时间点的样品进行吸光度测定，并且设计了空白对照和标准对照。
Methods: we adopted the rolling basket method to measure absorption degree of 5 samples, blank control and standard control.
方法：本实验以黄芪甲苷为标准品，采用薄层色谱—分光光度法测定黄芪叶中黄芪甲苷的含量。
Object: To Compare the comtent of Astragaloside IV in different parts of Astragalus membranaceus, Methods: TLC-spectrophotometry was used to determine the comtent of Astragaloside IV.
提出了在采用国家标准方法采集空气样，以四氯汞钾溶液吸收—盐酸副玫瑰苯胺分光光度法测定空气中SO_2时，由于空气受尘污染，可能导致测定数据偏低。
Using TCM as absorbent, and PRA spectrophotome. try to determine SO_2 in air, due to the air sample was polluted by dust, the SO_2 concentration may be declined.
吸光光度计标准用于检查分光计系统的精确性。
Photometric Standards for Absorbance are used to check the accuracy of spectrometer systems.
吸光光度计标准用于检查分光计系统的精确性。
Photometric Standards for Absorbance are used to check the accuracy of spectrometer systems.
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