Specialized as part of their chemistry lesson , the children were told to heat different liquids in a conical flask .
化学课上有一部分内容是要求孩子们在一只锥形瓶子里将不同液体加热。
Preliminary research on equations of growth and heat balance of conical hailstone .
圆锥形雹块生长方程和热平衡方程的初步研究。
Leaves entire or rarely repand ; fruit narrowly conical or obcordate , angustiseptate at least basally .
叶全缘的或很少残波状;倒心形,果实狭隔的果狭圆锥状或至少基部。
Standard test method for measurement of smoke obscuration using a conical radiant source in a single closed chamber , with the test specimen oriented horizontally .
使用单独密闭室圆锥形辐射源和水平导向试样测量烟雾朦胧的试验方法。
Many companies went so far as to consider a good supply of golf courses and cheap caddies wearing vietnam 's distinctive conical hats a precondition for coming to the country .
很多公司甚至认为充裕的高尔夫球场和戴着越南特色斗笠的廉价球童是他们投资越南的一个前提条件。
Note : most sizes and pressure classes have conical seats . Choice of flat or conical seat is manufacturer 's option unless specified by customer .