① 식 재료 및 조리식품의 Staphylococcus aureus 오염실태
식육은 S. aureus 식중독 발생의 주요한 원인식품이다. 강호조 등(1997)의 연구에 의하면, 오염된 냉동 우육을 22℃에서 12시간 해동하는 동안 2.37 logCFU/g 이상 증가하고, 25∼30℃에서 5시간이면 식중독을 일으키는데 충분한 독소를 생성하며, 생성된 enterot
1. Introduction
1) Definition of preservation and food-spoilage micro-organisms
Food preservation is the process of treating and handling food to stop or greatly slow down spoilage (loss of quality, edibility or nutritive value) caused or accelerated by micro-organisms. Some methods, however, use benign bacteria, yeasts or fungi to add specific qualities and to preserve food (e.g., cheese, wine
Abstract
DSC is a thermoanalytical technique in which the difference in the amount of heat required to increase the temperature of a sample and reference are measured as a function of temperature. Differential scanning calorimetry can be used to measure a number of characteristic properties of a sample.
Glass transitions may occur as the temperature of an amorphous solid is increased. Th
(1) Purging plastic 이란 무엇인가?
장치 또는 유로에 유체를 송입할 경우 이미 있던 유체와의 혼합이 프로세스에 악영향을 미칠 경우 혼합해도 상관없는 유체로 미리있던 유체를 제거, 치환한 후 원하는 유체를 송입한다. 이와 같은 조작을 퍼징이라고 하는데 이 퍼징물질로 플라스틱을 사용한 경우다.
my temperature
with a fire-engine red crayon.
From then on,
whenever Id hear a siren...
Id giggle.
I never had a boyfriend.
I dont know what Id do
with one if I did.
Guys like calvin klein
g-string ad girls.
I wear boxers.
I once had an orgasm, though.
With myself.
I think.
Im gonna go to hell anyway.
J! Yo, j!
Eulogy number .
She was loved by no one.
She chose indifference
as her state of mind.