1.it's acid & alkali resistance 2.it's acid & alkali resistant以上哪个是正确的,该句的意思是,它是抗酸碱的3.It carries the characteristics of acid & alkali resistance 4.It carries the characteristics of acid & alkali resistant以上

1.it's acid & alkali resistance 2.it's acid & alkali resistant以上哪个是正确的,该句的意思是,它是抗酸碱的3.It carries the characteristics of acid & alkali resistance 4.It carries the characteristics of acid & alkali resistant以上 a process was developed to refine tallow with alkali and sulfuric acid. GMAT GWD 第一套语法Surfur dioxide,a major contributor to acid rain,is an especially serious pollutant because it dimkSurfur dioxide,a major contributor to acid rain,is an especially serious pollutant because it diminishes the repiratory system's alkali penetration 什么意思 total alkali是什么意思 total acid concentration是什么意思The 50 wt% MDEA solution’s pH at roomtemperature depends solely on the total acid concentration,independent of whether the acid is acetic acid, formicacid, oxalic acid or sulfuric acid.还有一个Total equiv 英语hyaluronic acid line boosts skin's moisture leve,是什么意思 base和alkali什么区别 considering在这句话里什么意思There are times when extra vitamin supplements are useful,for example,folic acid is important in preventing birth defects in babies,so it's very important for women considering pregnancy to take a folic acid supp 英语翻译1X3W MR16 技术参数：光源：3W,3.0-3.5V/700mAOptic lens:Optical grade PMMA collimatorBEAM ANGLE:30度或者45度Housing:ALUMINIUM,The surface is oxidated to resist acid and alkali and avoid agingBASE:GX5.3 pinsTemperature Range:Ambi 英语翻译Cloning and DNAMany people think that the science of genetics and cloning is resent.It’s certainly true that in 1953,Watson and Crick ,two scientists at Cambridge University,England ,discovered the structure of the acid DNA---a transpar 英语翻译GSAO 4-(N-(S-glutathionylacetyl) amino) phenylarsonous acid GCAO 4-(N-(S-cysteinylglycylacetyl) amino) phenylarsonous acid CAO 4-(N-(S-cysteinylacetyl) amino) phenylarsonous acid PENAO 4-(N-(S-penicillaminylacetyl) amino) phenylarsonous a acid是什么. Acid Reflux Nitric Acid acid wash 英语翻译我的名字是一种花的名字,这种花是红色的,没有香气,但是它的果实很甜,微微带了点酸味.my name is the name of a kind of flower,it's red,without fragrance,but it's fruit is sweet and a bit acid.可以说成My n rain是不可数的,为什么酸雨为acid rains,为什么加s