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- TLV(Type-Length-Value)TLV(Type-Length-Value)
- Qs/Qt于TLV时两药间无差异(P>005),但OLV时安氟醚较为明显(P<001)。though having no difference during TLV between two inhaled drugs( P <0 05),Qs/Qt was found higher when ENF was received than SEVO did at two concentration during OLV( P <0 01).
- OLV 时血气值也发生了改变,即 PaO_2 较TLV降低 50%,而 PaCO_2 在 OLV-等压时升高,通过调整V_A 可予纠正。and 4) At the same time the related blood-gas analysis were abnormal. PaO2 was 50%25 lower during OLV than during TLV. PaCO2 was higher during OLV-equal Paw than during TLV (P<0. 01).
- 最大允许浓度(TLV)所指的是在所定的浓度环境下,操作人员可以保持每天8小时,每周48小时的正常工作,而不会对人体造成损害。Threshold limit value (TLV) means under the condition of a specified concentration, it is not harmful to human beings to keep handling the product for 8 hours a day or 48 hours a week.
- 美国政府工业卫生学者会议把NF3的TLV-TWA (10 ppm或29 mg/m3[ACGIH,1997])设定为前面在“毒物学性质”下引用的19周研究的测试水平的十分之一。The TLV-TWA (10 ppm or 29 mg/m3[ACGIH,1997]) for NF3 was set by the American Conference of Governmental Industrial Hygienists at one-tenth the test level of the previously cited 19-week study under Toxicological Properties.
- 正如美国政府工业卫生学者会议和职业安全和健康管理局所列出的,对于二氧化碳的TLV-TWA值是百万分之5000或0.5%。对于二氧化碳,CAS #是124-38-9。The TLV-TWA for CO2, as listed by American Conference of Governmental Industrial Hygienists and by the Occupational Safety and Health Administration, is 5000 parts per million, or 0.5%25.The CAS %23 for CO2 is 124-38-9.
- 阈值极限-时间权重平均值(TLV-TWA)是对于正常的8小时工作日和40小时工作周的时间权重平均值,在该值下,大多数工人日复一日的重复暴露在其中而不会受到有害影响。Threshold Limit Value-Time Weighted Average (TLV-TWA) is the time-weighted average concentration for a normal 8-hour workday and 40-hour workweek, to which nearly all workers may be repeatedly exposed, day after day, without adverse effect.
- PFC组TLV 5min时PaO_2均较基础状态(TLV前)明显降低,15、30、45min各时间点PaO_2较5min明显增高,15、30、45min PaO_2间无显著差异,TLV后PaCO_2进行性升高、pH进行性下降。In PFC group, PaO2 of 5 minutes was significantly lower compared with 0 minutes, PaO2 of 15, 30 and 45 minutes was significantly higher compared with 5 minutes, there were no different of PaO2 between 15,30 and 45 minutes. PaCO2 was gradually increased and pH gradually decreased after TLV in PFC group.
- 该策略通过对网络资源属性和业务流属性的综合考虑,依据对特定业务流进行裁决的判别函数,将适于迁移的TLV结构业务流进行合理地及时迁移,从而达到提高网络资源利用率的目的。Considering the attributes of network resource and the attributes of traffic flows synthetically,the strategy can transfer the suited traffic flows of TLV structure in time and enhance the utilization rate of network resources according to the estimation function for certain traffic flows.
- 在麻醉后双肺通气 (two -lungventilation ,TLV) 15min(t1) ,OLV 30min(t2 ) ,OLV 6 0min(t3) ,TLV 30min(t4 )时间点抽取动脉血和右心房血 ,行血气分析检查 ,并计算肺内分流量 (Qs/Qt)。The arterial and right atrium blood were taken for blood gas analysis at the following time: TLV 15 min( t 1), OLV 30 min ( t 2), OLV 60 min( t 3), TLV 30 min( t 4), and the Qs/Qt was calculated.