무자극검사(NST, Non Stress Test)
NST는 태동-태아심박동증가 검사(Fetal activity-acceleleration test, FAT)라고도 부르며, 자극이 없는 상황에서 태아의 움직임과 심장 박동과의 관계를 보는 검사이다. 태아심음의 증가는 태아 움직임과 관련이 있다는 사실을 근거로 무자극 검사가 개발되었다. 검사를 통해 태아
any systems become degraded by electromagnetic interference (EMI) – by external or internal sources, such an occurrence can result in a disaster. To prevent degradation at any electromagnetic environment, all weapon systems and individual equipments must meet a series of electromagnetic compatibility (EMC) standards. Testing to ensure that these EMC standards are met is not an easy task.
같이 대 분류를 하였다.
A : Ferrous Metals(단 Casting의 Nonferrous Metals 中일부는 'A'로 분류됨)
B : Nonferrous Metals
C : Cementifious, Ceramic, Concreate and Masonry Materials
D : Miscellaneos Materials
E : Miscellaneous Subjects
F : Materials for Specific Applications
G : Corrosion, Deterioration, and Degradation of Materials
ES : Emergency Standards
P : Proposals
According to the Global Environment Fund, the Gulf and Sea of Oman region is "one of the most important marine turtle habitats in the world and plays a significant role in sustaining the life cycle of the marine turtle populations in the whole North-Western Indo Pacific region" due to its shallow depth and high water temperature. Of the seven species of marine turtles in the world five are found