Spectrophotometric method was used for determination of polysaccharides in dioscorea opposita thunb collected from Henan, Shandong and Shanxi and dioscorea alata L from Guangdong and Guangxi.
采用硫酸苯酚显色，分光光度法测定了山药及其同属植物参薯中的多糖含量。
The damage of aquatic plant Spirogyra sp. and Pistia stratiotes L. from anion surfactant LAS and nonionic surfactant AE was studied with transmission electron microscopy.
利用透射电镜研究了阴离子型表面活性剂LAS和非离子型表面活性剂AE对水生植物水绵、水浮莲的损伤作用。
In the next window choose on Layers (l) from the View drop-down menu, then check the Smart Radius button and set the Radius field to 2.5 px.
在打开的窗口中选择显示模式下拉菜单中的图层(L)，然后开启智能半径选项，将该值调为2.5px。
A quantitative classification study on the 20 species, 3 subspecies and 2 varieties of Buxus L. from China was carried out by meas of system cluster method.
本文采用系统聚类分析方法对中国黄杨属植物20种、3亚种和2变种进行了分类学研究。
A quantitative classification study on the 20 species, 3 subspecies and 2 varieties of Buxus L. from China was carried out by meas of system cluster method.
本文采用系统聚类分析方法对中国黄杨属植物20种、3亚种和2变种进行了分类学研究。
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