1) total tannin content
总单宁含量
1.
The total tannin contents in these leaves decreased .
用上年受害树和未受害树的当年新发叶在室内饲养油桐尺蠖幼虫,并用Folin-Denis分析方法测定了当年受害叶,受害后新发叶和未受害叶的总单宁含量。
2) tannin content
单宁含量
1.
Rapid determination of tannin content in the branches and leaves of Casuarina;
木麻黄枝叶中单宁含量的快速测定
2.
A method was developed to rapidly determinate the tannin content by combining the hide powder method with the colloidal titration.
再用胶体滴定法滴定不同年份木麻黄树皮的提取液,根据标准曲线求得单宁质量,从而计算出不同树龄树皮的单宁含量。
3.
Method of collidal titration was adopted to determine tannin content of valonea tannin extract.
用胶体滴定法测定了橡椀栲胶中的单宁含量。
3) Tannin contents
单宁含量
1.
Tannin contents in xylem and phloem of different poplar strains were used to study the physiological factors of poplar resistance, and its relationships with damaged ratio of poplar and larvae density of Xylotrechus rusticus (L.
为了探讨决定杨树抗性的生理因素,测定了不同品系杨树中木质部、韧皮部的单宁含量,并调查了杨树的被害株率与虫口密度,分析了杨树中单宁含量与青杨脊虎天牛危害的关系。
2.
By Folin-Dianies,the tannin contents of the seed and of the berry skin were determined with 34 clones of 7 Chinese wild vitis.
利用 Folin- Dianies法测定了中国野生葡萄 7个种 34个株系的种子和果皮单宁含量。
4) total sugar content
总糖含量
1.
At the same time,the UV spectrums as well as the reducing sugar and the total sugar content of the samples were determined before and after 105℃ dr.
3-2003《食品中水分的测定》中规定的方法,并参考中国药典附录中的相关规定,分别采用直接干燥法、减压干燥法、蒸馏法测定了样品的水分含量,同时测定了样品在105℃烘干前后的紫外光谱以及还原糖和总糖含量。
2.
Mothods The total sugar content was taken as the study indicators of digestion rate.
为探讨杜仲粕壳酶解液中总糖含量的测定方法的可行性,将其总糖含量作为酶解率的考察指标,在相同酶解条件下,同一用量的不同种类酶和不同用量的同一种酶分别对杜仲粕壳酶解,采用蒽酮比色法,以供试品空白为参比测定酶解液中总糖的含量。
3.
A short-wave near infrared spectroscopic technique combined with partial least squares(PLS) method was developed for the determination of total sugar content in red wine based on the establishment of the optimal mathematic calibration models.
采用短波近红外光谱技术结合偏最小二乘法(PLS),建立了葡萄酒中总糖含量的定量分析数学模型,讨论了光谱预处理方法和主成分数对PLS模型预报精度的影响。
5) total nitrogen content
总氮含量
1.
Analysis of combining ability and heritability of nicotine content,total nitrogen content and nitrogen/nicotine ratio in burley tobacco;
白肋烟烟碱、总氮含量及氮碱比的配合力与遗传力分析
2.
Through analysis on chemistry properties of various nitrogen forms in compound fertilizers,some problems existing in determination of total nitrogen content in compound fertilizer are solved,and the qualitative analysis of nitrogen form and its key points is also presented for a reference in determination of compound fertilizer.
通过对复混肥料中不同形态氮的化学性质的分析,解答了复混肥料总氮含量检验中的常见问题。
6) total iron content
总铁含量
1.
Effect of sample preparation on determination results of total iron content in limonite
样品制备对褐铁矿总铁含量测定结果的影响
2.
97mg/g,and the total iron content was 107.
97mg/g,细胞总铁含量可达到107。
补充资料:总氯含量测定
分子式:
CAS号:
性质:氯丁橡胶中总氯含量的测定方法常用的有两种:氧瓶燃烧法和容量法。氧瓶燃烧法是将试样在铂丝为催化剂条件下燃烧,将氯转化为钾盐,再以硝酸汞标准溶液滴定。容量法是将试样与碳酸钠-硝酸钾混合物于350~400℃下熔融分解为氯化氢,同时转化成氯化物,再以硝酸银容量法测定。这些测定方法同时亦可以用于测定氯化丁基橡胶和氯磺化聚乙烯中氯含量。
CAS号:
性质:氯丁橡胶中总氯含量的测定方法常用的有两种:氧瓶燃烧法和容量法。氧瓶燃烧法是将试样在铂丝为催化剂条件下燃烧,将氯转化为钾盐,再以硝酸汞标准溶液滴定。容量法是将试样与碳酸钠-硝酸钾混合物于350~400℃下熔融分解为氯化氢,同时转化成氯化物,再以硝酸银容量法测定。这些测定方法同时亦可以用于测定氯化丁基橡胶和氯磺化聚乙烯中氯含量。
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