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- In this article, alkyl radical structure of heavy alkylbenzene is studied mainly with ESI-MS method. 摘要采用多种分析手段,其中以电喷雾质谱为主的方法研究了重烷基苯的烃基结构。
- sodium heavy alkylbenzene sulfonate 重烷基苯磺酸钠
- Keywords MS;Heavy alkylbenzene;Molecule ion; 质谱法;重烷基苯;分子离子;
- Keywords heavy alkylbenzene sulfoacid;production property;applicaton; 重烷基苯磺酸;生产;性能;应用;
- He lugged a heavy handcart along. 他使劲拉走那笨重的手推车。
- He made manful efforts to move the heavy furniture. 他作出勇敢的努力搬动沉重的家具。
- She could only croak because of her heavy cold. 她因患重感冒只能用沙哑的声音说话。
- She will not shove the heavy load onto others. 她不愿意把重担推给别人。
- Effect of dynamic interfacial tension between crude oil and heavy alkylbenzene sulfonate 重烷基苯磺酸盐溶液与原油间动态界面张力的实验研究
- Giving him a heavy slating will do him good. 狠狠地斥责他一顿会对他有好处。
- How could he get his heavy box up all those stairs? 这么重的箱子他是怎么抬上楼的?
- Heavy taxes indispose a citizen to work hard. 重税于国民不愿意辛勤工作。
- A heavy shower drench the campers. 一阵骤雨把露营者都淋湿了。
- Even an oversight in the design might issue in heavy losses. 设计中那怕是一点点疏忽也可能造成重大的损失。
- Joe tried to pull the heavy cart, but to no avail. 乔想拉那部笨重的大车,但是拉不动。
- Heavy traffic poses a problem in many old towns. 交通拥挤是许多旧城镇的难题。
- Industry is a heavy user of electric power. 工业需耗费大量的电力。
- The heavy box landed crash on his head. 沉重的箱子哗啦一声掉到他的头上。
- The ship hit heavy fog on its voyage. 船在航行时碰上了大雾。
- Keywords pre-contact time;heavy alkylbenzene sulfonate;alkali;ionic strength;interfacial tension;Daqing crude oil; 预接触时间;重烷基苯磺酸盐;碱;离子强度;界面张力;大庆原油;