General considerations Definition In placenta previa, the placenta is implanted in the lower uterine segment and located over the internal os. It constitutes an obstruction of descent of the presenting part. Main cause of obstetrical hemorrhage Incidence 0.24%-1.57% (our country)
Branch of discovery science focusing on proteins In 1994 defined as the complete set of proteins that is expressed and modified following expression by the entire genome in the lifetime of a cell. If we look at an organism it means that we are looking at the proteome of 3 trillion of cells and -1000
Go back to sth. Return to an earlier point in space or time How far does your memory go back? 让我们回到原来正在讨论的问题上去吧 Let's go back to the subject we were discussing? ·若要探讨爱尔兰问题的起源我们得回到几百年前. To trace the origins of the Irish problem, we have to go back over three hundred years
Summary Lecture #2 Achieving good passenger service reliability at an acceptable operating costs Disrupted passengers suffer long delays on average(320 minutes) versus non disrupted passengers(14 minutes) Connecting itineraries have a much higher risk of being disrupted than local itineraries(2.7x) Late disruptions are often difficult to recover the
Exercises about Units 6-10 Dictation IL. Cloze Test: Fill in each blank of the following passage with an appropriate word 1. The aim of education is to stimulate impulses, encourage free thinking and boldness in thought and keep alive various interests. But the single sex(1) by following the ple uniform structure and(2) a separate curriculum for males and females does anything but this. 3) of being provided with a rich expansion of experience, students are only(4) to a segment of knowledge. Such a form of education interferes (5)
Corporations, Shares, and shareholder Rights People who own stock have an equity interest in the organization e f a business has shares of stock it is organized as a corporation rather than a proprietorship or a partnership The shares of some corporations are closely held, while others are publicly held The two types of stock are common stock and preferred stock
Natural Convection Where we’ ve been. Up to now, have considered forced convection that is an external driving force causes the flow. Where we’ re going: Consider the case where fluid movement is by buoyancy effects caused by temperature differential Heat Transfer Su Yongkang
The bermuda triangle L. Introduction 1. Introductory Remarks The Bermuda Triangle. also called the Devils Triangle is an area of the Atlantic Ocean off southeast Florida, where the disappearance of ships and airplanes on a number of occasions has led to considerable interest in unexplainable losses and other
