During electrophoresis circulate water or another suitable cooling liquid through the metal plate prevent the temperature from rising above 15℃In atmospheres of high humidity,condensation of moisture may occur on the surface of the layer of medium A if the ventilation of the box and cooling are not adequately controlled.Which of the following should be employed to prevent the temperature from rising above 15℃()
Women should not drink any alcohol during pregnancy, NHS adviser to the National Institute for Health and Clinical Excellence (NICE) has said. It says if they must drink, they should not do so in the first three months and should limit consumption to one or two units once or twice a week afterwards. It brings NICE in line with government advice and replaces previous guidance saving small daily amounts were fine. However, NICE concedes there is no evidence to support the change. Not everyone agrees with such a tough approach, but more systematic research into the impact of alcohol is expected. Officials also called for local health bosses to ensure peer support schemes where mothers encourage new parents to breastfeed are set up.
Which of the following is TRUE of NICE’s latest advice on pregnant women’s drinking()。
Some college students drink too much alcohol at school. Many of them live on the campus. Heavy drinking has caused many problems. It can cause students to make bad choices and do dangerous things.
One college has decided to ban alcohol. It has gotten a reputation as a party school. Five students at the college have died from drinking too much alcohol. Recently, one student drank too much vodka. He slipped into a coma. The college hopes the new rule will prevent any more tragedies.
The new rule prohibits students from drinking alcohol in the dorms. The first time a student breaks the rule they will receive a warning. If they break the rule again, they will be evicted from the dorm. However, they will still have to pay for the dorm. Some students do not live on the campus. They live in houses near the campus. Those students are also banned from drinking alcohol, even if they are of legal age.
Freshmen at the college are now required to take a special course.
A. Students are getting bad grades.
B. There are too many bars on the campus.
C. Only a few students drink.
D. Several students have died and one is in a coma.
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