The relative ability of different soils and amendments to store ions is given in table 6-1 . 各種土壤和改良劑貯藏離子的相對能力列于表6-1。
An amendment should decrease bulk density, increase total porosity, and increase water and air content . 改良劑能降低堆積密度,增加總孔隙度,增加水和空氣的含量。
In some countries, especially france, gypsum is used agriculturally as a structure-improving agent for the soil . 在某些國家中,尤其是法國,石膏在農(nóng)業(yè)上用作為土壤結(jié)構(gòu)改良劑。
The oh functionality of the polyether may be controlled by using modifiers such as glycidol, ethylene glycol, water or trimethylol propane . 用縮水甘油、乙二醇,水或三羥甲基丙烷等改良劑,可控制聚醚的羥基官能團(tuán)。
The oh functionality of the polyether may be controlled by using modifiers such as glycidol, ethylene glycol, water or trimethylol propane . 用縮水甘油,乙二醇,水或三羥甲基丙烷等改良劑,可控制聚醚的羥基官能團(tuán)。
The oh functionality of the polyether may be controlled by using modifiers such as glycidol, ethylene glycol, water, or trimethylol propane . 可用縮水甘油,乙二醇,水或三羥甲基丙烷等改良劑,可控制聚醚的羥基官能團(tuán)。
Fertilizers . calcium and magnesium ameliorators . determination of neutralizing value 肥料.鈣和鎂改良劑.中和值的測定
Summary of annual conference of thickener - emulsifier - conditioner special committee 品質(zhì)改良劑專業(yè)委員會2006年年會紀(jì)要
Fertilizers . calcium and magnesium ameliorators . determination of carbonate solubility 肥料.鈣和鎂改良劑.碳酸鹽溶解度的測定
Study on effect of using three soil conditioners to phosphorus validity of soda - alkali soil 不同改良劑對蘇打堿土磷有效性影響的研究