爱词霸英语   汉语   手机版   软件版下载 | English
每日一句:正在加载...
1.The influence of substrate concentration,reaction time etc. on the synthesis of L-ascorbic acid esters were also investigated and the reaction conditions were optimized. For hardened palm oil,the optimum reaction conditions were as follow: reaction time 9 hours under 55 ℃ with the initial concentration of oil 200~600 mmol/L.
对影响合成抗坏血酸脂肪酸酯的因素进行了探讨,确定了最适反应条件:初始油脂底物浓度为200~600mmol/L,温度为55℃,反应时间为9h。收藏指正
2.steel that has been hardened by immersing it in water or oil to cool it.
浸入水或油中冷却硬化的钢。收藏指正
3.Study on the Application of EC-2 Cutting Oil for Hardened Gear
EC-2硬齿面切削油及应用研究收藏指正
4.Pungent , because this was for removing ground-in dirt and oil from beneath hardened fingernails and from calloused hands.
辛辣刺鼻，因为他要洗掉的是嵌在坚硬的指甲和满是老茧的手里的脏物和油污。收藏指正
5.Oil quenching from heating temeraturc 840～860℃ is usually taken as a conventional quenchprocess for bearing steed. If the effective thickness of a workpiece is too thick to be hardened only by oilquenching,two-stage quenching,i.
轴承钢常规淬火工艺为:840～860℃油淬,工件有效厚度太大,油淬不硬时,采取水油双液淬火(水冷时间1sec/3～5mm)。收藏指正
尝试查询
汉英释义