1) improved sulfuric acid catalytic method
改良硫酸法
1.
The extraction technology has been used to separate furfural produced from straw with the improved sulfuric acid catalytic method.
采用溶剂萃取法分离和精制改良硫酸法由稻草、麦杆等制取糠醛 ,比较了不同有机溶剂的萃取效果和物性 ,试验结果表明 ,糠醛的分配系数顺序为 :氯仿 >1,2 二氯乙烷 >三氯乙烯 >乙酸乙脂 >四氯化碳。
2) barium sulfate spectrophotometry
改良硫酸钡比浊法
1.
One was ion chromatography and the other was barium sulfate spectrophotometry.
本文主要用离子色谱法与改良硫酸钡比浊法对大气硫酸盐化速率进行分析。
3) modified kraft pulping
改良硫酸盐法制浆
1.
The results demonstrate that modified kraft pulping has higher pulping selectivity than conventional kraft pulping.
结果表明 ,改良硫酸盐法制浆的选择性明显高于常规硫酸盐蒸煮法 ,改良硫酸盐法制浆可以生产出卡伯值非常低且强度很好的纸浆 。
2.
Laboratory modified kraft pulping (extended delignification) of Pinus elliottii and Pinus caribaea as well as its principles were studied.
结果表明 ,改良硫酸盐法制浆的选择性明显高于常规蒸煮法 (ConventionalKraftCooking) ,当卡伯值相同时 ,与常规硫酸盐浆相比 ,改良硫酸盐浆具有相近的细浆得率、较低的粗渣率和较高的粘度 ,在相同的抗张指数下有更高的撕裂强
4) phenol sulfuric acid modification method
改良的苯酚-硫酸法
5) improved Guanidinium Thiocyanate method
改良异硫氰酸胍法
1.
The result shows the improved Trizol method fits for extracting RNA from soybean root,stem,leaf and shoot apical mer,whereas the improved Guanidinium Thiocyanate method fits for root,stem and shoot apical meristem(SAM).
改良T rizo l法适用于大豆根、茎、叶及生长点总RNA的提取,而改良异硫氰酸胍法适用于大豆根、茎及生长点总RNA的提取。
6) modified kraft pulp
改良硫酸盐浆
补充资料：过氧化单硫酸钾与硫酸二钾和硫酸氢钾的化合物
CAS：37222-66-5
中文名称：过氧化单硫酸钾与硫酸二钾和硫酸氢钾的化合物
英文名称：Peroxymonosulfuric acid, monopotassium salt, mixture with dipotassium sulfate and potassium hydrogen sulfate； potassium peroxymonosulfate sulfate,(2khso5.khso4.k2so4)； Peroxymonosulfuric acid,monopotassium salt,mixture with dipotassium sulfate and potassium hydrogen sulfate
中文名称：过氧化单硫酸钾与硫酸二钾和硫酸氢钾的化合物
英文名称：Peroxymonosulfuric acid, monopotassium salt, mixture with dipotassium sulfate and potassium hydrogen sulfate； potassium peroxymonosulfate sulfate,(2khso5.khso4.k2so4)； Peroxymonosulfuric acid,monopotassium salt,mixture with dipotassium sulfate and potassium hydrogen sulfate
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条