time of exposure造句
The EEL represents a cumulative exposure limit taking into account both the time of exposure and the concentration at which the exposure occurs.
While exposure at these levels may produce injury, the injury would be reversible. The EEL represents a cumulative exposure limit taking into account both the time of exposure and the concentration at which the exposure occurs.
Methods Descriptive time of exposure to vibration and rates of symptoms in hands and general symptoms of 254 vibration workers, and corn-paring with 28. nonvibration workers groups.
Any combination of time of exposure and concentration that is less than the recommended level of 22,500 ppm x min is acceptable. Table 2 illustrates acceptable exposure times for varying concentrations of NF3 in air at the EEL of 22,500 ppm x min.
Conclusions:The demonstration of distal vessels and collateral circulation in lower limbs with arterial obstructive diseases can be improved by increasing dosage of contrast agent,placing the catheter nearer to the lesion,and using accurate delay time of exposure.
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穿彻造句
1、一百若论及威力,仅以口径及侵彻力来形容,按照紫*光团大小来说,应该是米至米的穿*火箭*,不过紫*的穿彻能力要远远弱于咱们同等口径的火箭*。2、“首领们”没有穿彻罗基华丽的服饰,而是穿着大平原印第安人的传统服装。3、首领们没有穿彻罗基华丽的服饰。而是穿着大...
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企业经营风险造句
1、企业经营风险包括经营业绩风险和经营能力风险。2、以完善企业内部控制制度,达到加强企业经营管理、防范与化解企业经营风险和会计风险的目的。3、经营杠杆是衡量企业经营风险的重要标志。一般而言,经营杠杆系数越小风险越小。4、进一步地,伙伴间相互信任的建立...
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impatient of造句
1、Heisimpatientofreproof.2、Altogether,hewasimpatientofthepresent.3、Hisquickrecognitionsmadehimfranticallyimpatientofdeliberatejudgement.4、Grim-facedandimpatientofcritics,MrKagameweatheredthestorm.5、Testforstrongest,untwistandsplitimpat...
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拥兵造句
1、我已经不是拥兵了,是个男人而已!2、当时,窦宪拥兵镇守凉州,一旦京城发生变动,他必然会带兵叛乱。3、传说关羽在荆州拥兵三万,这其中更有亲训士兵五千。4、各诸侯拥兵自重,连年征战,国无宁日,邦无定土。5、他们的上策是拥兵观望,下策是实打硬拼。6、各诸侯拥兵自重,...
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