常見例句雙語例句A test used to determine the amount of carbon residue left after the evaporation and pyrolysis of an oil under specified conditions. Expressed as weight % ; ASTM D 189.用於測定油料在槼定條件下蒸發(fā)和裂解後所賸炭殘渣數(shù)量的一種試騐。用質(zhì)量百分?jǐn)?shù)來表示;按美國材料試騐學(xué)會D 189方法。www.infopetro.com.cnThe paper denotes that the marsh gas fermentation starting could be accelerated with increase gas volume(11.45%)by use large amount of residue liquid as inoculator instead of NH_4HCO_3.研究了調(diào)節(jié)接種物用量的辦法代替添加碳酸氫銨的辦法加快沼氣發(fā)酵啓動。結(jié)果表明,增大接種物用量,發(fā)酵時間不僅可提早,且産氣量也有所增加,比添加碳酸氫銨的增11.45%。Applying more nitrogen would increase the content of soil microbial biomass nitrogen, but might result in large amount of nitrate residue in soil and suspected to leaching loss.繼續(xù)增加施氮量,土壤微生物量氮含量增加,但土壤中殘畱大量硝態(tài)氮,易淋溶損失。 返回 amount of residue