The compound of acryloyl chloride was synthesized by benzoyl chlorid and crylic acid.利用苯甲酰氯与丙烯酸反应制备丙烯酰氯.N - acryloyl morpholine was synthesized from acryloyl chloride and morpholine and the purity of product was 99.5 %.以...
Activists stepped up their demands for local autonomy last month.上个月激进分子对地方自治的呼声更高了。a campaign in Wales for greater autonomy威尔士争取更大自治权的运动They demand self - autonomy for the Palestinians.巴勒斯坦人民要求 自治....
His cheeks were spotted with blackheads.他的双颊上长了一些黑头。Never squeeze blackheads, spots or pimples.千万不要挤黑头、小肿块或粉刺。Ground radish seeds formed into paste and mixed with water remove blackheads.地面萝卜种子形成贴和与水混合删除黑头....