|
The performance of centrifugal fan using the air in plenum to test was tested,the magnitude and distribute of differences caused was studied by using different nozzles-a single nozzle or combined nozzles when test the same centrifugal fan.
|
|
|
采用进气风室试验装置对离心风机进行性能测试,研究单喷嘴和组合喷嘴测试同一风机所导致的测量结果偏差大小及其分布规律。 |
|
The pericarp was made of epicarp, mesocarp and endocarp.
|
|
|
皮由外果皮、中果皮和内果皮构成:外果皮是一种复合结构,由表皮毛和表皮细胞组成; |
|
The pericarp was made of epicarp,mesocarp and endocarp.
|
|
|
皮由外果皮、中果皮和内果皮构成:外果皮是一种复合结构,由表皮毛和表皮细胞组成; |
|
The periderm was composed of new phellem, older phellem and the cortex which was pressed by both new and older layers of phellem .
|
|
|
周皮由新木栓层、旧木栓层以及新旧木栓层之间被挤压的皮层等颓废组织组成。 初步推测,杜仲树皮的变异是由遗传水平上的变化引起的。 |
|
The periods of permanent tooth was . % and the periods of mixed tooth was 7.8%; The prevalence rate of ankyloglossia was 8.%; the rate of short labial frenum was .7%.
|
|
|
恒牙期错殆率.％,替牙期错率7.8％,舌系带过短率8.％,唇系带异常率.7％。 |
|
The peritoneal dialysis machine is a medical equipment used for treating acute renal failure, chronic renal failure and uraemia.
|
|
|
腹膜透析机是治疗急性肾功能衰竭、慢性肾功能衰竭和尿毒症的医疗设备。 |
|
The person who reveals "privacy" of America——Comment on Sidney Sheldon's novel
|
|
|
美国“隐私”的暴露者——论西德尼·谢尔顿的小说 |
|
The person-year incidence of other malignant tumor was not significantly different between the two cohorts(0.8% vs 0., P>0.0; RR=., 9% CI 0.-.).
|
|
|
其他恶性肿瘤的人年发病率在两队列间差异无显著性(0.8%和0.%,P>0.0;RR=.,9%可信区间0.～.)。 |
|
The perturb & observe algorithms and Incremental Conductance Algorithm are mainly introduced for MPPT.
|
|
|
MPPT方法主要介绍了扰动观测法和电导增量法,实现了功率寻优要求。 |
|
The phase of carpel differentiation and pistil differentiation were were relatively short, only about - days, and the phase from inflorescence primordium differentiation to sepal differentiation is relatively long.
|
|
|
其中雄蕊分化期、雌蕊分化期分化速度最快，持续时间仅为 ～d，而从花序原基分化期至小花花萼分化期分化较慢。 |
|
The phase velocity and group velocity of De Broglie wave
|
|
|
De Broglie波的相速与群速 |
