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The oscillation performance of jet, as oscillation frequency, is the essential data for designing the fluidic device, which is also the key factor that influence the coupling effect of fluidic device and receiving tube. This paper does experiment on the oscillation availability and frequency of feedback jet-oscillation gas wave refrigeration. As a conclusion, the jet oscillates only in a certain range of geometrical sizes and operating conditions. Under the condition of high pressure ratio, the frequency of the jet"s oscillation is only affected by the feedback tube"s length and chamber remarkably. Under the condition of low pressure ratio, the frequency descends with rise of the pressure ratio.

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Blocked fallopian tubes in most women are infected as a result of chronic inflammation caused by chronic inflammation as a result of fallopian tube lumen so that congestion and edema with inflammatory cell infiltration, necrosis of the cells off will lead to tubal blockage; and bilateral fallopian tube through the continuation of the endometrium is associated So, do not rule out the endometrium is also a factor in chronic inflammation; General Hospital of conventional therapy: the use of repeated hydrotubation, laparoscopy, hysteroscopy-laparoscopy joint, such as wire and interventional treatment, some hospitals every day infusion, at the same time microwave, shortwave, physiotherapy, etc.

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The fluid-structure interaction dynamic characteristic of steam generator U-bend tube is simulated by using ANSYS parametric design language,focusing on the influence of the anti-vibration bars of the U tube.

應(yīng)用ANSYS參數(shù)化設(shè)計(jì)語(yǔ)言對(duì)蒸汽發(fā)生器U形管流體結(jié)構(gòu)耦聯(lián)系統(tǒng)動(dòng)態(tài)特性進(jìn)行了數(shù)值模擬A片ⅴ7v.C，著重考慮了防振條對(duì)U形管固有頻率的影響。

A muscle-equivalent phantom was used to instead of liver tissue in the experiment. The liver artery of human was simulated by a copper tube with Y bifurcation. Different water flow velocities were maintained in the tube, which are in the typical range of blood flow velocities in liver arteries of human. Copper-constantan thermocouples were used to measure the temperature near the arterial bifurcation.

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A kind of heating technology of directly heating crude oil in the oil tube by the oil tube and bushing is developed.

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Electric power is output to the oil tube,which is connected with the bushing by the oil bushing connecter on the bottom of the oil tube,via a 3-phase transformer after AC-DC-AC inverse circuit .

電能由三相配電變壓器經(jīng)AC DC AC 逆變電路輸出傳送到油管，經(jīng)油管下部的油套管接觸器連接到套管欧洲美洲精品一区二区三区，形成一個(gè)完整的回路日日操日日干日日插。

Gas column (2) gaseous oil column (3) gaseous liquid column from pump to the tube end (4) gaseous column from tube end to the formation According to the flow pattern, this paper utilize the methods given by those papers .

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The liquid which expands in the heat sensor with the rise of temperature forces its way over the capillary tube in the actuator by means of removing a plunger piston, which is made tight externally be means of a flexible metallic tube, at which the pi- ston rod, which comes out of the actuator, moves the valve rod against a spring and a closing valve throttles or closes.

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