液化系數 的英文怎麼說
中文拼音 [yèhuàxìshǔ]
液化系數
英文
coefficient of liquefaction-
The effect of additive is investgated by measuring solution loss, foam multiple, the quotiety of water retention, and the causation also are discussed
通過測量發泡劑攜液量、發泡倍數、保水系數的變化規律表徵外加劑對發泡劑泡沫性能的影響,並對產生影響的原因進行了解釋。Application the retrieval coefficients of the city of changchun in april to a field experiments in jilin province, on april 22 demonstrate the airborne up - looking microwave radiometer can detect cloud liquid water and supercooled liquid water content
此外,本文將求得的長春地區4月的反演系數應用到長春4月22日的一次飛行實驗中,結果表明,能夠探測出雲中液態水和過冷水含量及其變化。Theoretical analysis and computer simulation studies show that performance comparable to that of electro - control active damping suspension systems can be achieved with the hydraulic network model which can self - adaptingly adjust the damping of suspension to realize the optimal control by virtue of response of vehicle. in chapter 5, the effects of time - variant factors in the new active damping suspension system on reduction are investigated
第五章研究了主動阻尼系統中的時變因數對減振系統的減振效果的影響(包括路況、車速、載重阻尼油的粘度系數隨油溫變化而引起的變化,油液的彈性模量等) ,並分析了模型簡化時一些被忽略的非線性因數對系統性能的影響。As for a space - based cloud radar, the change of the radar reflectivity n and the change of attenuation rate along with the cloud liquid water content have been compared between 37 ghz and 94ghz. the transmittance t of single level cloud for different heights and liquid water content has also been calculated at 2 frequencies. by defining a = n tr, which combines both effects of radar reflectivity and transmittance, we have examined the values of a at 37ghz and 94ghz for high, middle and low cloud liquid water contents
對空間測雲雷達,討論了37ghz和94ghz這兩個頻率的雷達反射率和衰減系數隨雲液水含量的變化;計算了不同高度的單層雲在不同頻率,不同含水量情況下的雲層透過率_ ;定義a = _來綜合考慮雷達反射率和透過率對空間測雲雷達回波的影響,分析比較了雲含水量高、中、低時37ghz和94ghz的a值大小。Under the different freezing - thawing cycle circumstance, three factors of water binder ratio, air content and mineral admixture are analyzed by using the method of orthogonal table. the test results show that the chief influencing factor is the water binder ratio in water freezing - thawing cycle circumstance, and in salt freezing - thawing cycle circumstance is the air content. this could illustrate that entraining air into concrete can improve the frost resistance of concrete effectively in salt freezing - thawing cycle
分析了在純水和3 . 5 % nacl溶液中受凍后,水膠比、含氣量和摻合料對混凝土飽和系數及變化速率的影響規律,試驗結果表明水膠比對混凝土水凍時的飽和系數及變化速率影響顯著,而鹽凍情況下含氣量則是主要影響因素,說明引氣能顯著提高混凝土的抗鹽凍性能。This paper aims at the characteristics of thermal response of lpg vesse1 under high temperatue, conjoining the project of " study on transportation safety early - wdring system of lpg dangerous goods " supported by transportation departinen of china and the project of " mechanism study and numerical simulation of the explosion of lpg vessel " supported by science foundation of hubei province. the interdisciplinary research has been done among temperature field distribution of lpg vessel under flame surroundings, intensity calculation, crack propagation predication and mechanism of explosive accident, etc. three parts are analyzed and discussed
本文針對高溫環境下液化氣壓力容器的熱響應特性問題,結合交通部重點科技項目「液化氣體類危險品運輸安全預警系統的研究」和湖北省自然科學基金項目「液化氣容器爆炸機理研究及數值模擬」 ,對在火焰包圍下的液化氣壓力容器的溫度場分佈、強度計算、裂紋擴展預測以及爆炸事故機理等方面開展了多學科的交叉研究。Based on re - classification of abbott - firestone curve into three zones, surface bearing index, core fluid retention index and valley fluid retention index were introduced to evaluate the bearing capability and lubricant retention property of a machined surface. the changing tendency of these three indexes was also made clear through experiments, and the relations between them and fractal parameters were built up. at last, it was found that the coefficient c is also suitable to evaluate the bearing capability and fluid retention property of a machined surface
本文在重新劃分abbott - firestone曲線的基礎上引入了表面承載指數、核心區液體滯留指數和谷底液體滯留指數三個指標分別評價表面承載性能和儲油性能,同時通過試驗找到了這三個評價指數的變化規律,最後建立了它們和分形參數之間的關系,並發現尺度系數同樣可以用來評價表面的承載性能和儲油性能。The results of this experiment showed that pressure drop and flow velocity are related in quadratic function ; the effects of opening rate of distributor sad bed height on critical fluidization velocity are rather slight, while the effect of particle size on critical fluidization velocity is very obvious
得出結論:分佈板壓降和流速成二次函數關系;以木屑為原料,分佈板開孔率和床層高度對臨界液化速度的影響不大,粒徑分佈對臨界流化速度隨粒徑的增大而增加。The power station is situated in the area of 8 earthquake fortified zone, the fourth sand layer are probably liquefied and the second sand layer are not liquefied in the situation of 7, 8 earthquake. however the security index of anti - liquefying of second sand is not very high in the situation of 8 earthquake
地基中間隔存在第和第層兩層淺灰黃色砂層,均系堰塞湖相沉積物,電站處於8地震設防區,在7 、 8地震情況下第層砂層均有液化的可能;第層砂層均不液化,但在8地震情況下砂土抗液化的安全系數不高。Some conclusions can be drawn from the experiment. first, the discharge coefficient of liquid is almost constant when the pressure before injecting is high enough, but the discharge coefficient of gas fluctuates because of the influence of liquid flowing. second, when the total pressure of gas is low, under the same total pressure, increasing the pressure before injecting or under the same the pressure before injecting, lowing the total pressure of gas make the mean diameter smaller
流量特性試驗表明,在液體噴注壓降較高時,液體的流量系數基本不變,但是氣體的流量系數受液體流動的影響較大;霧化特性試驗表明,在同一氣體總壓條件下,增大液體噴注壓降或者在相同液體噴注壓降條件下,減小氣體總壓對液滴霧化有利。The improvement system is made up of the pressure sensor, flow sensor, displacement sensor, electro - hydraulic proportional flow control valve, power amplifier, data gathering board and computer. the platform can carry out testing the hydraulic parameters, processing the tested data, saving the processed data and drawing, adjusting the pressure automatically
改造后的測控系統主要由壓力傳感器、流量傳感器、位移傳感器、比例節流閥、功率放大器、數據採集卡和計算機組成。改造后的實驗臺具有自動採集實驗數據、自動處理實驗數據、自動保存實驗數據、自動調節液壓系統負載壓力等功能,大大提高了實驗臺的工作效率、測試精度和智能化水平。Supposed to be axial symmetry, the problem is put into the cylindrical coordinate, and through the laplace - hankel transformation, the equations are turn into differentia equations of constant coefficient. in the analyzing progress, dynamic transfer matrix is used t
本文利用matlab中fzzzy具箱編程,通過有限的實驗數據和輸入專家知識對該系統進行訓練,可以解訣砂土液化的預測難題,算例的檢測結果表明其效果較好。The model of variability of submergence depth is established based on the law of volume balance, and the changing trends of parameters like submergence depth etc are analyzed. according to the principle of supply and discharge balance, the method to predict oil yield is presented. subject to different objective functions, the corresponding optimum combinations of suction parameters are analyzed, and the importance of choosing objective function to optimum combination of suction parameters is emphasized
本文研究了油井流入動態關系,根據井筒內液量平衡原理,建立了沉沒度變化的數學模型,分析了沉沒度等參數變化規律;根據油井供、排平衡原則,得出了抽油泵排量系數相對穩定狀態下產量預測的關系;分析了不同目標函數下,油井抽汲參數的組合效果,指出了目標函數選取對參數合理組合的重要性。For a given ph condition, adsorption of trace metals on to sediments in the changjiang estuary can be described by the langmuir equation, and implies that increase in trace metal concentrations at natural waters has limited effect on trace metal partitioning coefficients because of high turbidity. 5
在某一給定ph條件下,長江口懸浮泥沙對5種金屬的吸附符合朗格謬爾關系,這表明,在高渾濁度天然水體中微量金屬濃度的變化對它們在固-液兩相之間的分配系數影響不大。The membrane properties were found to be dependent upon the content of styrene. the membrane physic - chemical properties compare to nafion 117 except that their chemical stability has to be further improved to make them acceptable for practical use in the proton exchange membrane fuel cell. the proton transport through the membrane follows the " liquid - like " proton conductivity mechanism y and the water balance is important for the working condition of the fuel cell
對磺化膜的研究分析表明:膜的性能參數如離子交換容量、吸水率、水合系數、形體穩定性、導電性能、化學與熱穩定性等依賴于膜中苯乙烯含量,且接枝苯乙烯相互間的位阻效應對膜性能影響很大;膜的性能可與nafion膜相比較;質子在膜中的傳導遵循「似液體」質子傳導機理;電滲析與擴散作用使膜保持水平衡。But oa and o2 can just slightly increase the ul intensity of the dna. at the same time we studied when the ul intensity of dna in different concentration induced by oh. found that oh has the same inducement to the ul of dna in different concentration
同時,用? oh對幾種不同濃度的dna溶液進行誘導,發現這幾種dna溶液的超弱發光具有相近的顯著增強系數,這說明dna溶液的濃度變化並不影響? oh對dna本身超弱發光的誘導作用。Abstract : the lubricating condition of cold rolling is affected by many factors. this paper shows the relationship between the friction coefficient and three rolling parameters, such as rolling speed, reduction and concentration of rolling lubricating oil
文摘:主要研究了在冷軋過程中,軋機輥縫摩擦系數受軋制速度、相對壓下量以及乳化液濃度因素影響的變化規律。On the base of engine tests, some conclusions, which are directive significance to the design of a prechamber spark ignited lpg engine, are drawn
進行了一系列發動機臺架實驗,得到實驗數據,並進行比較分析,得出了一些對預燃室式火花點火液化石油氣發動機設計具有指導意義的結論。The optimum inclination angle is between 15 ~ 20, the length of thermosyphon will not change the phase - change heat transfer coefficient of the evaporation section and the condensation, which will enlarge heat transfer area of thermosyphon and increase the heat exchange capacity. the head - on speed of wind only stranger the heat transfer of the evaporation section and the condensation section. the experiment shows that the mathematic model closely fits to the thermosyphon, moreover, the one key to resolve the thermosyphon effect lies in decreasing the thermoresistance of evaporating section and condensation section. this study can provide directions and experience in the future research
傾斜角越大,熱虹吸管總熱阻越大,最佳傾角在15 20之間;充液率過多或過少都會對傳熱性能產生不利影響,對于本實驗採用的1 . 75m 、 2m 、 2 . 5m 、 3m熱虹吸管,最佳充液率在20 % 35 %之間;管長對傳熱也有影響,管長不改變熱虹吸管蒸發段和冷凝段的換熱系數,只增加了熱虹吸管的換熱面積,增大換熱量;迎面風速的大小,起到強化熱虹吸管蒸發段和冷凝段換熱的目的。Based on the super capability of gis, the paper discusses problems on layer management of related data, design of attribute tables, and data coding etc. the coefficient of the soil liquefaction resistance k and the coefficient of soil liquefaction hazard h are presented. the seismic sand liquefaction forecasting, liquefaction disasters forecasting, and prevention measures on liquefaction are also discussed. using the software of mapgis, the process of liquefaction database setup has been studied
本文基於gis在數據存儲管理及可視化方面的強大功能,研究了適合gis環境的液化評價相關數據的分層管理,屬性數據表設計以及圖元編碼等問題;並提出了土層抗液化指數k及砂土液化災害指數h兩個重要液化評價因子,在此基礎上進一步研究了地震砂土液化預測、液化災害預測以及防治處理信息系統建設等問題。分享友人