高压汞灯紫外线灯管的有效使用总时间约A.300~400小时 B.500~1000小时

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问题:

高压汞灯紫外线灯管的有效使用总时间约

A.300~400小时

B.500~1000小时

C.2000~3000小时

D.6000小时

E.15000小时

考点:康复治疗技术(主管技师)康复技师相关专业知识康复治疗技术主管技师相关专业知识2
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误差分析中,考虑误差来源要求()、()。

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明挖扩大基础的稳定性验算包括()验算和()验算。

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JKL Co is a shareholding company. On 1 February the board of management met to consider the company’s trading difficulties. The company was faced with a cash flow crisis. Although the company’s financial position was a cause for serious concern, the board agreed that there was a genuine prospect of recovery if cash could be raised quickly. They therefore agreed to sell a warehouse belonging to the company for this purpose. Despite the warehouse having an estimated value of 225 million dong, the highest offer to the real estate agency was 120 million. The board reluctantly accepted this figure and the property was sold on 1 May.On 1 June the company’s cash flow had improved and the board of management decided to repay a loan of 300 million dong ahead of the scheduled repayment date. The loan had been backed by a guarantee given by Vinh, a member of the board of management.On 1 August the company was declared bankrupt by the court.Required:

(b) Explain whether there will be any consequences to the board of management or to Vinh personally of the decision to repay the loan ahead of schedule. (5 marks)

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已知:CH3CH2CH2CH3(g)+6.5O2(g)→4CO2(g)+5H2O(l),1mol CH3CH2CH2CH3完全燃烧放出 2878kJ热量;(CH32CHCH3(g)+6.5O2(g)→4CO2(g)+5H2O(l),1mol(CH32CHCH3燃烧放出2869kJ热量.下列说法正确的是(  )

A.1molCH3CH2CH2CH3分子储存的能量大于1mol(CH32CHCH3分子

B.1molCH3CH2CH2CH3分子储存的能量小于1mol(CH32CHCH3分子

C.(CH32CHCH3转化为CH3CH2CH2CH3的过程是一个放热过程

D.断开1mol物质中化学键吸收的能量CH3CH2CH2CH3大于(CH32CHCH3

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可用于视网膜分支动脉阻塞的药物包括()

A.葛根素

B.654-2

C.甲基强的松龙

D.尿激酶

E.硝酸甘油

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