什么是表面吉布斯能？什么是表面张力？它们之间有什么异同和联系？

水的蒸气压方程为:gp=A-,式中A为常数,p的单位为Pa将10g水引入到体积为10 的真空容器中,问在323K达到平衡后,还剩多少水?

有一物系如图所示，将隔板抽去，求平衡后S。设气体的 Cp均是 2803JK

将某聚合物 5.0×10-3 kg 分各种级别，用渗透压法测出各级分的数均摩尔质量 Mn，所得结果见下表：

乙烷裂解制取乙烯的反应如下：C2H6 C2H4 + H2, 已知 1073 K 时的速率常数 k=3.43 s−1 , 问当乙 烷的转化率为 50%和 75%时分别需要多长时间？

Anything that can be offered to a market for attention, acquisition, use or consumption. Satisfies a want or a need. Includes: –Physical Products –Services –Persons –Places

- The command file defines > Problem characteristics > Physical models and parameters > Material properties > Equation solvers

1. Definition of Accidental Trauma： Accident, Unexpected, Injuries Physically and/or Psychologically 1. Causes: physical, chemical, and biological factors 2. Main cause of mutilation and death in children globally

1. Definition of Accidental Trauma： Accident, Unexpected, Injuries Physically and/or Psychologically 1. Causes: physical, chemical, and biological factors 2. Main cause of mutilation and death in children globally

The theoretical concepts underlying filtration can be applied towards practical solutions in the field. Comprehension of the basic principles is necessary to select the proper equipment for an application. Theory alone, however, can never be the basis for selection of a filter. Filtration belongs to the physical sciences, and thus conclusions must be based on experimental assay. It is, however, helpful in understanding why a slurry is more suitable for one design of filtration equipment than another