超流化床 的英文怎麼說
中文拼音 [chāoliúhuàchuáng]
超流化床
英文
hyper fluidized bed-
Value of color doppler transvaginal ultrasonography on ectopic pregnancy in previous caesarean section scar
彩色多普勒超聲檢測異位妊娠患者卵巢黃體血流動力學變化的臨床價值The paper discusses dynamical conditions of the supercritical ore - forming fluid system based on study of regional geological background and analyses of physiochemical conditions of ore - forming process and puts forth the ore - forming mechanism : upper mantle uplift - mingling of meteoric water and magmatic hydrothermal fluid separated from acidic magma under tensile or transitional tensile environment - water / rock reaction - transportation - chemical coupling ore precipitation
在分析超臨界成礦流體系統形成的區域地質背景和研究成礦物理化學條件的基礎上,探討了超臨界成礦流體系統形成的動力學條件,提出該系統的成礦機理:與燕山晚期酸性火山侵入巖漿有關的金銅礦床是在上地慢隆起、張性或向張性過渡背景下形成的,酸性巖漿經熔體流體分離作用形成的巖漿熱液與大氣降水混合,經水巖作用等復雜的輸運和化學反應耦合過程的動力學產物。Develop and manufacture large pumped storage units, large tubular turbine units, high - power super - critical thermal power unit, large air - cooled turbine generator, large cfb boilers, high - power nuclear steam turbine and generator, pressure shell of nuclear island, high - pressure evaporator and primary pump
開發生產大型抽水蓄能機組、大型貫流式機組、大功率超臨界火電機組、大型空冷汽輪發電機、大型循環硫化床鍋爐、大功率核電站汽輪機和發電機、核島設備壓力殼、高壓蒸發器和主泵等核電一級設備。Aim to evaluate the feasibility of one simple method to establish model of venous thrombosis for studying the therapeutic effect of intracavitary ultrasonic therapy on venous thrombus of animal models. methods the lower limbs of 20 dogs were divided randomly into the experimental group and the control group. the femoral veins of the experimental group were ligated at the close and distant end respectively to slower the flow of blood. the veins in control group were operated but not ligated. then, the changes of the dogs ' lower limbs were observed and the femoral veins were excised for pathological examinations and examined to investigate the condition of thrombis in the veins at the 1st, 4th and 7th day respectively after operation. results all the dog ' s lower limbs in the experimental group swelled and were lame slightly, the thrombus came forth in all the 6 veins by pathologic study at the 1st day after operation. and it was opposite in the control group. in addition, the swelling of all the dogs ' lower limbs was aggravated and all the 14 femoral veins were filled with compact mixed thrombus at the 4th and 7th day after operation. and it was also opposite in the control group. conclusion the method to establish models of venous thrombosis by the simple ligation of close and distant end of the femoral veins can make thrombosis more approaching clinical course of thrombosis and is satisfying
目的為研究腔內超聲溶栓對動物模型靜脈血栓的療效而評價一種制備靜脈血栓模型方法的可行性.方法犬20隻採用自身對照研究,犬一側後肢股靜脈為實驗側,另一側為對照側.實驗側行股靜脈近、遠端分別結扎,人為造成犬後肢股靜脈血流緩慢;對照側行手術,但不結扎血管.然後于術后第1 , 4 , 7天分別觀察犬後肢變化,切取血管標本做病理觀察,了解血栓形成情況.結果術后第1天實驗側全部出現後肢腫脹,輕微跛行,病理切片顯示: 6條靜脈全部都形成血栓;對照側沒有出現後肢腫脹及跛行, 6條靜脈都無血栓形成.第4 , 7天實驗側後肢腫脹加重,跛行,病理切片顯示:實驗側14條靜脈血栓充滿管腔,為混和血栓;對照側沒有出現後肢腫脹及跛行, 14條靜脈無血栓形成.結論採用靜脈單純結扎法制備犬靜脈血栓模型,血栓形成更接近臨床血栓形成過程The concept design of supercritical cfb was done in present research. and a hydrodynamic model of supercritical cfb was built
完成了600mw超臨界cfb方案初步設計,建立了超臨界循環流化床水動力模型。From this work, a new way to improve the fluidization quality of the ultra - fine powders is found, and the studying result can supply as a basis of further investigation and be able to be used in the design of a spouted bed with a draft tube for the ultra - fine powders
本研究為改善超細粉的流化質量提供了一種新的思路,研究成果為進一步四川大學碩士學位論文開展有關基礎研究和開發超細粉導向管噴動床反應器提供了良好的基礎。It was found that the ultra - fine powder can flow smoothly in a spouted bed with a draft tube under some sorts of design parameter and operating condition, thus a new effective method to improve fluidization quality of the ultra - fine powders is obtained ; at higher supplied gas velocity, an increase in the solid circulation rate is observed ; the extent of the distance between the nozzle and the draft tube inlet result in the promotion of the solid circulation rate ; the solid circulation rate increase with increasing the draft tube diameter or the bed mass ; the gas bypassing is nearly zero in the present work ; and the solid flow in the annulus is observed as a moving bed
結果表明:在一定的床層結構和操作條件下,超細粉可以在導向管噴動床中實現平穩流化,從而為改善超細粉的流化質量提供了一種有效的新方法;固體循環速率與噴動氣流量、導向管直徑、導向管底部與噴嘴出口間距以及床層裝填量成正比;氣體則基本上不存在「旁路」現象;環隙區中的顆粒流動表現為一移動床特徵。The present investigation sows that cfb is more suitable than pc boiler under the condition of supercritical pressure
闡述了流化床鍋爐比煤粉爐更適于採用超臨界參數的優勢。Fluidized behaviors of ultra - fine powder caco3 of mean diameter 5 um in a spouted bed with a draft tube were investigated, studying the effects of geometry and operating parameters on the two - phase fluidized characters such as the initial spouted behavior, the solid circulation rate, the gas flow distribution in the spout and the annulus, and the solid flow in the annulus
本研究以平均粒徑為5 m的caco _ 3超細粉為物料,對超細粉在導向管噴動床中的流化行為進行了系統的實驗研究,考察了床層結構和操作條件對起始噴動行為、固體循環速率、氣體在床層雙區中的分配以及固體顆粒在環隙區中的流動等氣固兩相流動特徵的影響。So far supercritical pressure circulating fluidized bed boiler with vertical furnace walls is still at the stage of feasibility in the world. our country has still not done this research
目前國際上對超臨界循環流化床燃燒技術的研究基本處于起步階段,我國尚未開展這方面的研究工作。分享友人