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combined-resistance
相关语句
  相似匹配句对
     SIMULATION ON RESISTANCE TO GROUND OF COMBINED GRIDS
     复合接地网接地电阻的计算机仿真
短句来源
     Clopidogrel Resistance
     氯吡格雷抵抗研究进展
短句来源
     ANALYZING ON THE THERMAL RESISTANCE OF SPECIFIED DENSITY CONCRETE COMBINED BLOCK
     次轻混凝土组合砌块墙体热阻分析
短句来源
     From Silence to Resistance
     从沉默到反抗
短句来源
     O - resistance is high.
     后者化验:血沉明显增快,抗“O”增高。
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The effects of added respiratory resistance on breathing and respiratory discomfort were studied in 33 healthy young men both at rest and during light exercise (bicycle ergometer, 250 kg.m/min). A total of 13 combinations of different ratios of inspiratory resistance (IR) to expiratory resistance (ER) were tested.It was found that, with fixed total resistance value, the physiological and psychological burden of the combined resistance was closely related to the ratio of IR and ER. When IR = ER, the combined...

The effects of added respiratory resistance on breathing and respiratory discomfort were studied in 33 healthy young men both at rest and during light exercise (bicycle ergometer, 250 kg.m/min). A total of 13 combinations of different ratios of inspiratory resistance (IR) to expiratory resistance (ER) were tested.It was found that, with fixed total resistance value, the physiological and psychological burden of the combined resistance was closely related to the ratio of IR and ER. When IR = ER, the combined resistance yielded most significant burden, while burden was less marked when IR>ER, and least marked when IR

以33名健康男性青年为对象,比较了吸气阻力(IR)与呼气阻力(ER)按不同比例匹配所组成的13种外加联合阻力(CR)对呼吸及呼吸不适感觉等的影响。实验分别在静坐及轻度体力负荷(自行车功量计,250kg·m/min~(-1))条件下进行。 结果表明:在总阻力值保持一定的条件下,CR的生理、心理影响与IR与ER的比例有关,以IR=ER匹配的影响最重,IR>ER次之,IR

The effects of external combined resistance (total resistive value,3-30 Cm H2O·L-1·S) on respiratory flow rate,mask cavity pre sure swing (p) and respiratory discomfort were studied in 114 pilots unde- light physical loading conditions ( 250 Kg·m·min-1).The experimental data of 17 physiological and psychophysical variables were analysed by correlation,stepwise regression and probit analysis.The results showed that p or extra respira-tory work per unit ventilation ( W/L ) might be selected as an objective index...

The effects of external combined resistance (total resistive value,3-30 Cm H2O·L-1·S) on respiratory flow rate,mask cavity pre sure swing (p) and respiratory discomfort were studied in 114 pilots unde- light physical loading conditions ( 250 Kg·m·min-1).The experimental data of 17 physiological and psychophysical variables were analysed by correlation,stepwise regression and probit analysis.The results showed that p or extra respira-tory work per unit ventilation ( W/L ) might be selected as an objective index for respiratory discomfort,with p being more applicable in practical work.The probit analysis reveals that 90% of pilots breathing through aircraft oxygen system should experience no respiratory discomfort,if the p does not exceed 6.1 Cm H2O,or W/L not exceed 0.047 Kg·m·L-1 and that 90% should experience a lesser than mild degree of discomfort,if the P does not exceed 7,9 Cm H2O,or W/L not exceed 0.061 Kg·m·L-1 The significance of our findings for revising current physiological standard of aircraft system is discussed.

以114名飞行人员为被试者,观察了在轻度体力负荷(250kg·m·min~(-1))下,外加呼吸阻力(3~30CmH_2O·L~(-1)·S)对呼吸气体流率和面罩腔压力变化以及主观感觉的影响。采用相关分析、逐步回归分析方法,筛选出能反映阻力影响的客观生理指标,并以概率单位分析方法确定对外加阻力的容许水平。结果表明:面罩腔压力波动幅度((?))和每L通气所需的额外呼吸动(W/L),均可作为反映呼吸不适感觉程度的客观生理指标;但以前者更为适用。如果(?)不超过6.1CmH_2O,或W/L不超过0.047kg·m·L~(-1),则90%的人将不会产生呼吸不适感;如果(?)不超过7.9CmH_2O,或W/L不超过0.061kg·m·L~(-1),则90%的人将只可能产生中等以下程度的不适感。文中还就航空供氧装备阻力标准修订工作进行了讨论。

Wheat variety C.I 12633 can resist all races of powdery mildew which we have been discovered. It shows two dominant resistance genes to fungus races 4, 20 and 64, and one dominant resistance gene to race 16. Hybridized with the susceptible varieties of different genetic background, the resistance inheritance of C.I 12633 shows differentia. The variety C.I 12633 has combined resistance to powdery mildew and yellow, brown and stem rusts. Its resistance seems readily to inherit to the progenies. If hybridized with...

Wheat variety C.I 12633 can resist all races of powdery mildew which we have been discovered. It shows two dominant resistance genes to fungus races 4, 20 and 64, and one dominant resistance gene to race 16. Hybridized with the susceptible varieties of different genetic background, the resistance inheritance of C.I 12633 shows differentia. The variety C.I 12633 has combined resistance to powdery mildew and yellow, brown and stem rusts. Its resistance seems readily to inherit to the progenies. If hybridized with some other wheat varieties, it is possibly to get over—parental big—seed lines.

C.I12633抗目前我们所发现的所有白粉菌小种。它对病菌4号,20号和64号小种表现两个显性抗病基因遗传。对16号小种表现一个显性抗病基因遣传,C.I12633与不同遗传背景的感病品种杂交。其抗病遗传表现有差异。C.I12633兼抗白粉病和条、叶、杆锈病,而且抗病性容易遗传给后代,它与某些小麦品种杂交,容易获得超亲大粒类型。

 
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