CONTENTS INTRODUCTION A. Types of Material Balance Problems B. Historical Perspective CONSERVATION OF MASS A. Control volumes B. Holdup or Inventor C. Material Balance Basis D. Material balances I. PROCESSES The Concept of a process Basic processing functions C. Unit Operatic Modes of process Operations
Force Force is a kind of mechanical action between different objects, it tends to change the shape, volume or movement state of the object with a force upon it. Force is a vector quantity, and thus possesses both magnitude and direction; it can be represented by an arrow whose length specifies the magnitude and whose
I. Vocabulary and Structure 1. You ought to go out without a raincoat on such a rainy day [A]make better than [B]know better than [C]get the best out of []have the best of
Part I. Vocabulary and Structure(30%): 1 who lays down his life for his country. A)There is no so greater love as that of a man B)There is no as greater love as that of a man
1. For our English homework we have to write a paper. A three-thousand-word B. three-thousands-word C. three-thousand-words d. three -thousands-word 2. Jack English in the university for 30 years by the end of next mon A. will teach B. had taught C will have taught D. has taught