지구상의 생명체는 물에서 시작된 것으로 알려져 있으며, 물은 생명체를 이루는 가장 기본적인 물질이다. 적정량 이상의 물 손실은 생명체에 치명적이다.
이러한 생명체의 물 함유 상태는 수분 포텐셜(Ψ, Psi) 및 상대수분함량(RWC)으로 표현될 수 있다.
Chemical potential of water
Historically defined as the chem
Case
35세 여자가 무월경과 체중감소를 주소로 내원하였다. 환자는 6년전 첫 아이를 낳을때 심한 출혈로 shock에 빠진적이 있었고, 분만 후 젖이 나오지 않아 우유로 첫 아이를 키운 후 현재까지 무월경이다. 내원시 혈압이 90/70mmHg, Wt 50kg, Ht 159cm이었다. 액아모와 치모는 감소되어 있었다. 검사 소견상 Hb
3.2. PM(Preventive Maintenance)
3.2.1. What is the PM?
"Preventive Maintenance is a scheduled program of regular inspection, adjustments, lubrication, or replacement of warm or failing parts in order to maintain an asset's function, and efficiency (Ryan Cruzan, 2009)
Preventive Maintenance is the task that we perform to keep buildings in good condition. So Preventive Maintenance includes task
기업에서 R&D를 필두로 한 혁신에 대한 비용은 점차 증가하고 있으나, 그에 기대되는 Top-Line Growth, 즉 최고 수준의 성장은 충족되지 못하고 있는 실정이다. 다시 말해, 비용대비 효율성이 극심하게 악화되고 있다는 의미이다. 따라서 기업 내에서 혁신을 위해 필요한 기술의 모든 부분을 다 개발/발명하려
Abstract
Bioethanol is one of the alternative sources of oil resources which received attention with biodiesel. Many countries produce bioethanol from food sources such as corn and sugarcane, but it causes food-energy conflicts and farmland problem. So it needs to focus on new biomass which is sustainable, renewable, cost-effective and do not occurred any conflicts. Algae are one of the bioma
4. Condition
If reflow, IMC layer occurs between the solder ball and substrate. IMC layer's composition changes depending on reflow time.
Temperatuer
255℃
Reflow time
1s, 1min, 5min, 10min, 20min
Experimental conditions
5. Analysis
IMC layer change was observed according to the reflow time.(Reflow time : 1s, 1min, 5min, 10min, 20min). Do refer to
2. Political and legal issues◎ Safety issue
In 2005, U.S. emergency center reported more than 200 thousand accidents caused by toys. Needless to say, quality improvements and handling safety issue raises cost for the firm. This becomes a great issue considering industry environment described above; aggravated by the increase in production price, coming from the increase in the material cost.
conditions are determined.
Also common to the welfare of former members of the basic items and the choice is made available as a choice, welfare, the classification of items and a range of corporate policies and conditions are determined.
Welfare in the 1970s, food, clothing, housing and livelihood support item was composed. But in the '80s, anniversary gift, a commuter bus, including student
1.Introduction
1.1.Problem statement
Most universities in Korea do not recognize usefulness of facility management budgeting and they still keep using the same way . People are concerned about maintenance of school building less than construction and educational facilities about operation and maintenance are recognized the significance after taking place disaster. Most universities in Korea h
名 詞 (Noun) Ⅰ
1. 명사의 종류: 고유, 보통, 집합, 물질, 추상명사
① 셀 수 있는 명사 : 단,복수 가능
many, few로 수식. 보통, 집합명사.
② 셀 수 없는 명사 : 단,복수 없음.
much, little 이 수식. 물질, 고유, 추상명사.
2. 종족 대표 : 어떤 종족의 전체.
① A(an) + 단수보통명사.(대