Titlebook: Halbleiterprobleme 4; W. Schottky Book 1957 Springer-Verlag Berlin Heidelberg 1957 Halbleiter

compassion

Surfactant function: is it influenced by artificial ventilation?,Since its introduction for routine clinical use more than 40 years ago, artificial ventilation has proven to be a life-saving method or therapy in intensive care but has remained a topic of much discussion and controversy because artificial ventilation disturbs normal cardiovascular and respiratory function [1].

acclimate

Principles of Methodology Relating to the Potential Carcinogenicity of Medical Drugs,As you will have gathered from the title of my paper, I shall be dealing with generalities rather than with factual information. Little of what I have to say here is really new; for this is not the first time that I have been called upon to give an account of the principles underlying the work of the UICC Panel on Carcinogenicity.

凝视

SYN

,Development, indication and present status of ‘late’ amniocentesis in pregnancy,Transabdominal amniocentesis was originally introduced by Meenes in 1930 for amniography. From 1950 this procedure was primarily used for diagnosis in Rh isoimmunization. Later, amniocentesis became a well established method for determination of fetal lung maturity.

孤僻

seruting

危机

In Vitro Production and Release of Potato Varieties in ChinaPotato (. L.) is one of the most important and widely grown crops in every province of China. It is a staple food for the people living in the cold and mountainous regions, such as north-east, Inner Mongolia, north-west and south-west of China, and a major vegetable for the people living in the cities.

Preamble

轻打

Efflorescent

K-Ar Dating of Plutonic and Volcanic Rocks in Orogenic Belts,Although the radioactivity of potassium was discovered sixty years ago it is only during the last decade that the method of age determination based on the decay of potassium to argon has been widely used. The primary purpose of K-Ar dating has been to determine an age of geological significance.