液相壓差 的英文怎麼說
中文拼音 [yèxiāngyāchā]
液相壓差
英文
pressure difference in the liquid phase-
The shunt takes adantage of the naturally occurring pressure differential between the anterior chamber and the suprachoroidal space, allowing aqueous humor to pass through the microchannels and into the ueoscleral outflow pathways
金微管具有在眼前房和脈絡膜周隙間自然產生壓差的能力,以允許水相體液通過微管流到葡萄膜鞏膜並且流出。In this paper, porous nanocrystalline titanium dioxide films were used to modify the surface of quartz crystal microbalance ( qcm ), the response of qcm with high roughness layer hi liquid phase was discussed, and the difference between the theoretic value and frequency response measured was illustrated in detail
本文採用tio _ 2納米粒多孔膜修飾壓電晶體傳感器,對高粗糙度壓電傳感器的響應進行了探討,闡明了在液相中壓電響應的實際值與理論值產生偏差的主要原因。Moreover, the resulted prediction model of foam size of the closed cell aluminum foam was verified by comparison to the experimental results from the foaming process at different foaming conditions, and the predicted bubble diameter is in good agreement with the experimental ones, the relative error distributes between - 5. 04 % and 6. 32 %
當入射空氣的壓強、氣流量,液面高度,出氣孔直徑增大時,氣泡直徑隨之增大;當出氣孔數量,液體粘度增大時,氣泡直徑減小,表面張力對氣泡直徑的影響可以忽略不計;靜態條件下液體表面氣泡直徑的預測值和實驗測量值符合得較好,相對誤差分佈在- 5 . 04 % ~ 6 . 32 %之間。To ascertain how to produce differential pressure reasonably during the course of high temperature and pressure gas well testing, we must consider synthetically the following situations : both liquid in well bore and solid phase particles of mud in strata can be carried out through airflow ; we must avoid sand production out of borehole walls and make the selected differential pressure meet the demands of the testing instrument capability ; the calculation of differential pressure when no sand comes out of strata covers the calculation of strength of rock of borehole walls and airflow velocity, etc
摘要高溫高壓氣井測試中合理生產壓差的確定需要綜合考慮使氣流能夠在井筒中攜液、返排侵入地層中的泥漿固相顆粒、避免井壁出砂、滿足測試工具性能要求等;地層不出砂壓差計算還涉及到井壁巖石的強度計算、氣流流速計算等。To ensure the charging pump working reliably, the following measures should be adopted : ( 1 ) adopting modified circular casing to reduce the radial force of the impeller and decrease the seal clearance ; ( 2 ) using radical ribs on impeller and helical sealing on shaft to realize minor pressure differential ; ( 3 ) using back pressure stuffing box to ensure sealing under small packing force ; ( 4 ) adopting self - lubricant flexible graphite stuffing for absorption of solids entering in the graphite in case of leaking
為確保灌注泵可靠工作,提出改進措施: ( 1 )採用改型環形泵體降低葉輪的徑向力,減小軸封間隙,抑制泄漏; ( 2 )採用背葉片降低葉片根部壓頭,獲得微壓,使軸封兩端承受較小壓差; ( 3 )採用螺旋密封降低軸封兩端壓差,在保持微壓的同時避免出現負壓,密封效果更好; ( 4 )採用反壓式填料密封結構,在很小的壓緊力下,即可保證密封; ( 5 )採用具有潤滑功效的柔性石墨填料,即使發生軸封泄漏,進入石墨內部的固相顆粒也將隨著石墨的消耗而被鉆井液吸收。Difference iterative method was used to estimate numerically director configurations in the nlc - bl037 cell in this paper. the refractive indices and phase retard of nlc in electric field was presented on the basis of the calculation of liquid crystal director distributions. then we analysed the diffraction phenomenon when the linearly polarized light was controlled by diffraction grating which was based on rectangular grating and sinusoidal phase grating models and we got it ’ s math model 。 finally we designed the nlc phase grating and we did the experiment to validate the theoretic calculation
文中利用差分迭代法計算了向列相液晶bl037盒中指向矢分佈的計算,根據指向矢的分佈情況得到了向列相液晶的雙折射率分佈和非常光通過液晶盒產生的相位延遲隨電壓變化;並在矩形光柵和正弦相位光柵的基礎上,分析了入射偏振光通過液晶電控光柵所產生的衍射情況。The result indicates that displacement characteristics of unsheared polymer solution is better than the same viscosity polymer solution after sheared, the injection pressure of the unsheared polymer solution is higher than the same viscosity polymer solution after being sheared in the same permeability core, the lower the permeability, the bigger the molecule weight and the bigger the difference, as to the every layer of the secondary oil layer, it is feasible to displace oil with the polymer solution after sheared, and the eor of the polymer flooding can increase more than 9. 84 %
結果表明:未經剪切的聚合物溶液的驅油效果好於經剪切之後的相同相對分子質量的聚合物溶液的驅油效果;對于相同滲透率的巖心,未經剪切的聚合物溶液比經過剪切相同相對分子質量聚合物溶液的注入壓力高,而且滲透率越低,相對分子質量越大,差異越大;對於二類油層的各滲透率小層,進行經剪切后聚合物溶液驅油是可行的,聚驅采出程度提高幅度均超過9 . 84 % 。The controlled object hyvp ( hydraulic pressure vibration platform ) has the property of big loading pressure and rating power, so it need considerable transmitted and control power, it also has the property of high - level math model, and narrow frequency width in closed - loop, and bad stability. this thesis is based on the hpvs in the “ tiema project ”
被控對象(液壓振動臺)具有負載壓力和額定功率相當大的特點,因此要求傳輸和控制的功率要相當可觀;而且它還具有數學模型階數高、閉環頻帶寬度窄、穩定性差等特點。The experiment data from horizontal gas - liquid flow on 20mm and 25mm diameter pipes proved that separate phase flow - rate can be measured from differential pressure signal
Dn20和dn25水平管氣液兩相流實驗數據表明,利用差壓波動信號進行兩相流分相流量的測量是可行的。In view of the non stationary feature of the pressure difference fluctuation signal in the gas - liquid two phase flow, a flow pattern identification method was proposed based on the characteristic vector from the singular value of the matrix formed by the multi dimensional continuous wavelet transform values of the fluctuation signal
摘要針對氣液兩相流壓差波動信號的非平穩特徵,提出了以多尺度連續小波變換值矩陣的奇異值為特徵矢量的流型識別方法。Abstract : in some project, pebble is used in bearing stratum. for the resean of lower strengthand bad property of construction. the bearing capacity of pebble can ' t achieve the reauirement of up - structure. but the pebble soild has higher permeability coefficient and placeability. the method has remarkable economic results
文摘:在以礫卵石層為持力層的樁基設計中,由於其可鉆性差、易坍塌,強度相對較低,但是具有較大的孔隙率和滲透系數,可灌性較好,採用一定壓力對鉆孔灌注樁樁底礫卵石持力層注入水泥漿液對其進行加固處理,可以較大地提高其承載力,並能取得較為明顯的經濟效益。Stcc and sstcc series capacitance transmitters have so many advantages such as new design, all specifications, easy installation, essence safety explosion - proof etc. they are famous for high accuracy, small, light, firm, convenient, good overload protection. stcc and sstcc series capacitance transmitters include pressure, difference of pressure, absolute pressure, flux, level and so on. the product whose options, signal, installation are according to the worldwide companies and price is very low observes domestic iec, so it is the best choice for the customer
Stcc及sstcc系列電容式變送器包括壓力差壓絕對壓力流量液位等品種,其選件信號制式安裝方式完全與世界其它公司產品一致,也與我國推行的「 iec 」標準要求相符,並且價格優勢明顯,是你理想的最佳選擇。The experiment is done on pipes of diameter 20mm and 25mm, and pressure sample distance of 155mm and 1000mm
實驗在dn20和dn25的水平管氣液兩相流上進行,差壓信號的取壓距離分為155mm和1000mm 。According to the application results actually, the original coal gas pressure revised is a few percents more than the actual measuring pressure, and relative error of gas pressure that the bore is sealed by making use of capsule - mucus is smaller
從實際應用來看,修正後的瓦斯壓力要高出實測壓力幾個百分點,採用膠囊黏液封孔所測的瓦斯壓力相對誤差較小。分享友人