fig.2 bacterial community composition and lefse analysis at genus level of naturally fermented northeast sauerkraut 采用线性判别分析[linear discriminant analysis(lda) effect size,lefse]对东北不同地区酸菜中lda得分大于4的菌...
The dose-dependent effects of single metals (Zn, Ni, and Cu) and their combinations at steady time-actions on the cell viability of the bacteria Shewanella xiamenensis DCB 2-1, isolated from a radionuclide-contaminated area, have been estimated. The accu
Chemical composition of compound roll nullPROBLEM TO BE SOLVED: To perfectly and stably manufacture a hot rolling roll having both of seizure resistance and wear resistance by the centrifugal casting method, and to suppress breakage troubles in manufacturing and rolling, such as a lateral breakage ...
2, the amount of titanium catalyst was 0. 1% of SA( mole ratio) , and the temperature of polycondensation was 220 ℃.%通过直接酯化-缩聚法,以丁二酸、丁二醇为原料,合成了相对分子质量较高的聚丁二酸丁二醇酯(PBS),并首次采用折光率法研究了PBS酯化反应中的副反应.结果表明:酯化反应中,酸醇比、...
由预聚体G1~G5所制PUE试样为PUE-A1~ PUE-A5;由预聚体H1~H5所制PUE试样为PUE-B1~ PUE-B5;配方组成见表2。 表2 PUE的配方组成Tab. 2 PUE formula composition 1.5 分析与表征 (1)力学性能测试:根据GB/T 528-2009测定PUE试样的拉伸强度、断...
Aside from chemical composition, one significant difference between butyrate and nitrate dope is that: A. a. Butyrate finishes are moisture resistant and nitrate finishes are not. B. b. Nitrate finishes are more resistant to aging and cracking than butyrate finishes. C. c. The but...
POLYMERIZABLE LIQUID CRYSTAL COMPOUND, POLYMERIZABLE LIQUID CRYSTAL COMPOSITION, LIQUID CRYSTALLINE POLYMER, AND OPTICAL ISOMER (3)コレステリック層の形成 化合物1、2それぞれ100重量部をシクロペンタノン153重量部に溶解して溶液とした。これに、光重合開始剤(チバ・スペシャルティ・ケミカルズ社製...
such as chemical composition and environmental conditions. Several heat treatments have been developed to eliminate the risk of hydrogen embrittlement. Among various suggested heat treatments, the retrogression-reaging (RRA) treatment has proven effective in optimizing the balance between mechanical properties...
Aside from chemical composition, one significant difference between butyrate and nitrate dope is that: A. a. Butyrate finishes are moisture resistant and nitrate finishes are not. B. b. Nitrate finishes are more resistant to aging and cracking than butyrate finishes. C. c. The butyr...
X-Ray crystal structures... The reaction of Co(BF4)2·6H2O with P4S3 or P4Se3 in the presence of 1,1,1-tri... Massimo,Di,Vaira,... - 《Journal of the Chemical Society》 被引量: 14发表: 1984年 加载更多来源期刊 Organometallics 0...