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- The doctor is measured with mercuric tonometer, when the hematic pressure ratio of Ms.Wen sees a doctor last even tall. 醫生用水銀血壓計一量,溫女士的血壓比上次看病的時候還要高。
- Another method to increase the pressure ratio prec/p is to increase the temperature and Mach number of the eject gas. 提高引射氣體的溫度及馬赫數,也可增加擴壓比。
- The correlation coefficient between plama ADH and urine-palsma osmotic pressure ratio was 0.86(P<0.05) in patients with DI. DI組確診后一周內平均尿血滲透壓值與血漿抗利尿激素水平有密切相關性 (相關係數r=0 86 ;P <0 0 5 )。
- Simone G,Roman MJ,Koren Mi,et al.Stroke volum/pulse pressure ratio and cardiovascular risk in arterial hypertension[ J ].Hypertension,1999,33:800-805. 蔡俊明;鄧健忠;陳先輝.;社區干預對高血壓患者衛生行為和療效作用[J]
- Velocity circulations at the trailing edges of each blade-row are optimized for overall maximization of total pressure ratio and isentropic efficiency. 優化目標為總壓比和絕熱效率最大,決策變數為轉子和靜子葉排尾緣速度環量。
- The two stage turbocharging system has much higher efficiency under most operating conditions if the pressure ratio assignment is 1:1. 在大部分工況下壓比分配為1:1時,所匹配的二級增壓系統效率較高;
- The shock wave compression is the latest compression technology, and attracts special attention because of high single stage pressure ratio. 激波壓縮技術是目前新式的氣體壓縮技術,以其高的單級壓比倍受關注。
- A multiobjective optimization for a two-stage axial-flow compressor design was performed for maximization of the overall adiabatic efficiency and the total pressure ratio. 針對一台兩級軸流壓氣機,選定優化設計的目標是最大的總壓比和最高的總絕熱效率。
- At the end of the annular passage,shock wave occurs when the relative lift is less than 6% and the pressure ratio is less than 0.7,which causes a greater total pressure loss. 在相對升程小於6%25、壓比小於0.;7后;環形通道的末端將產生激波;激波帶來較大的全壓損失
- Flow characters of large flow quantity, internal leakage, external leakage and pressure ratio and all the influence volume efficiency of three leaves roots blowers are discussed. 摘要介紹大流量三葉羅茨風機的流量特性,內泄漏、外泄露、壓力比對容積效率的影響。
- To satisfy the eccentricity requirements, a method to calculate the rational and economical size of two-dimensional eccentrically loaded foudations is presented based on the limit of the foundation pressure ratio of maximum to minimum. 本文按照滿足基底最小壓力與最大壓力比值限值的條件,推導出了雙向偏心受壓基礎底面尺寸的計算公式,可直接求得通過對基底最小壓力與最大壓力比值限制來減小基礎傾斜情況下的經濟合理的底面尺寸。
- Objective To investigate the significance of urine-plasma osmotic pressure ratio and urine-plasma sodium concentration ratio in diabetes insipiclus(DI) and cerebral salt wasting syndrome(CSW) in traumatic brain injury. 目的 通過前瞻性的臨床研究 ,探討尿 -血滲透壓比值和尿 -血鈉濃度比值監測對腦外傷后尿崩綜合征 (DI)和腦鹽耗綜合征 (CSW )的意義。
- The computational results show that the thrust-vectoring angle is dependent on the freestream Mach number, nozzle pressure ratio(NPR), the position of the injection and secondary pressure ratio(SPR). 對時間的積分採用的是隱式近似因子分解法。 文中計算了外流馬赫數、噴管壓強比、次流總壓與主流總壓之比以及次流噴口位於不同位置時的矢量偏角的產生情況。
- After acoustic power output of the thermoacoustic engine was measured accurately by variable-load method,the mutual relations of power output with pressure ratio,heating power and heating temperature were analyzed. 應用變負載法;對該熱聲發動機的聲功輸出進行了精確測量.;分析得到聲功輸出與熱聲發動機壓比、加熱功率和加熱溫度之間的相互影響關係
- Abstract: Design ideas of supersonic transverse free-vortex aerodynamic window(ADW) were discussed, and the reason of a single-stage ADW not easily reaching high sealing pressure ratio was analyzed. 摘 要: 介紹了橫向超音速自由旋氣動窗口設計方法,分析了單級氣動窗口難以實現大密封壓比的原因。
- In the study of flow oscillation and discrete frequency noise of impinging jet, it is found that there is a critical pressure ratio for a given nozzle and a nozzle-to-plate distance. 發現對於給定的噴嘴和衝擊距離,存在一個壓比臨界點,當壓比高於此臨界點值時,流場振蕩和離散頻率雜訊被顯著抑制乃至消失。
- Design ideas of supersonic transverse free-vortex aerodynamic window(ADW) were discussed, and the reason of a single-stage ADW not easily reaching high sealing pressure ratio was analyzed. 介紹了橫向超音速自由旋氣動窗口設計方法,分析了單級氣動窗口難以實現大密封壓比的原因。
- Titanium nitride films were grown by unbalanced magnetron sputtering at different N2 and Ar partial pressure ratios on Ti6Al4V alloy substrate. 採用非平衡磁控濺射技術,在鈦合金(Ti6Al4V)表面沉積氮化鈦薄膜。 通過改變氮氣和氬氣分壓比(PN/PAr)和基體偏壓,製備出不同結構、性能的氮化鈦薄膜。
- A series of 1-D consolidation tests were carried out for soft clay with different over pressure ratios (OPR) and different preloading durations. 摘要通過不同超載比、不同作用時間的一維固結試驗,研究軟土在超載作用過程的變形機理。
- Compared with traditional compression machinery, the shock wave compressor has many advantages, such as small dimension, high pressure ratio, no surge phenomenon and stabilized performance. 並與傳統透平壓縮機械做比較,得出其體積小,單級壓比高,無喘振現象,性能穩定等特點。