有效中子溫度 的英文怎麼說
中文拼音 [yǒuxiàozhōngziwēndù]
有效中子溫度
英文
effective neutron temperature- 有 : 有副詞[書面語] (表示整數之外再加零數): 30 有 5 thirty-five; 10 有 5年 fifteen years
- 效 : Ⅰ名詞(效果; 功用) effect; efficiency; result Ⅱ動詞1 (仿效) imitate; follow the example of 2 ...
- 子 : 子Ⅰ名詞1 (兒子) son 2 (人的通稱) person 3 (古代特指有學問的男人) ancient title of respect f...
- 溫 : Ⅰ形容詞(不冷不熱) warm; lukewarm; hot; gentle; mild Ⅱ名詞1 (溫度) temperature 2 (瘟) acute ...
- 度 : 度動詞[書面語] (推測; 估計) surmise; estimate
- 有效 : effective; valid; efficacious
- 溫度 : [物理學] temperature
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The method of obtaining high concentration of na2feo4 solution by quick electrolysis mainly contains four aspects : adoption of either a diaphragm or an ionic membrane electrolytic cell in which a thin anodic cell lying between the two cathodes, ( 2 ) using an iron anode that has larger specific surface area, ( 3 ) keeping suitable concentration of naoh in the anodic cell, adoption of lower current density and higher electrolyzing speed. the practical technique parameters follow a s below : the naoh solution of 14 - 16mol / l, the temperature of 303 - 308k, the surface anodic current density of 300a / m2, the unit electrolyzing speed of efficiency larger than 6. 0a / l
快速電解獲取高濃度na _ 2feo _ 4溶液的方法,主要包括四個方面:採用兩陰極室夾一厚度較小的陽極室的隔膜(或離子膜)電解槽;使用比表面積較大的鐵網陽極;保持陽極室中有適宜濃度的濃naoh溶液;採用較低的電流密度和較高的電解速度。具體工藝參數是: 14 16mol / lnaoh溶液、溫度303 308k 、表觀陽極電流密度300a m ~ 2 、有效單位電解速度6 . 0a / l 。At the same time, it also illustrates the superiority of this kind of communication by introducing the profibus field bus. take the transformation of focke packaging machine as an example, the main content is as follows : 1st, to analyze the plc control system of s5 series, and determine the concrete functions that the new plc control system hopes to achieve as well as how to achieve the goal through studying the work program of the original one ; 2nd, to demonstrate the advantage of the field bus in the process of digital alternation by introducing the principle agreement of field bus profibus ; 3rd, to achieve each function of the original control system through using siemens ' s plc control system in the design of hardware and step 7 in the software as well as designing and compiling control system of focke packaging machine ; 4th, to use fm455 for controlling temperature not only can meet the system ’ s severe request for temperature and efficiently avoid many demerits of the temperature control instrument but also can bring convenience for operation and maintenance ; 5th, to use the intouch configuration software to compile monitor and control program can accomplish the goal for real - time surveillance and control of the production line, while setting some parameters can provide a powerful alarming function
以改造focke包裝機為例,主要內容如下: 1 、通過熟悉原有控制系統的工作流程,分析了原s5系列可編程邏輯控制器的控制系統,確定新的可編程邏輯控制器控制系統需要實現的具體功能以及其實現方法; 2 、在本系統數據交互中,通過介紹profibus現場總線原理協議,論述了現場總線在工業通訊中的優點; 3 、下位機硬體設計上使用西門子可編程邏輯控制器控制系統,軟體平臺採用西門子step7 ,設計和編制了focke包裝機控制軟體,實現了原有控制系統的各項功能; 4 、本系統對溫度要求嚴格,採用溫控儀表控制溫度不能滿足系統要求,而且溫控儀表操作和維護都不方便,因此採用fm455溫度控制模塊進行溫度控制,滿足了系統對溫度的要求,同時又有效地避免了溫控儀表在操作和維護上的缺陷; 5 、在監控系統上,使用intouch組態軟體設計了系統的監控界面,從而實現了對生產線的實時監控,並且可以通過界面設置系統的一些參數,同時提供了較強大的報警功能。We use the method of finite element analysis to find the most dangerous section of the rotator. through setting up a model of rotator, calculating the temperature and stress field of rotator, we get the section. then we supervise the section online, calculate the practical fatigue life loss and creep life loss
我們使用有限元分析法,通過建模,計算轉子溫度場、應力場,得到最危險截面,然後對危險截面進行在線監測,計算實際運行中的疲勞壽命損耗和蠕變壽命損耗,為安全經濟運行提供有效監控手段。After our careful analysis, we find that there are finite part which is temperature dependent in this zero - point energy. so we have separated this part and discussed its influence to the effective nucleon mass. the result shows that this part has remarkable contribution at high temperature
但經仔細分析會發現,零點能中含有與溫度相夫的有限部分,我ilte它分離出來並討論了其xde子有效質量的影響,發現在高溫下,這一零點s眶正有著顯著的貢獻Because the photospheric temperature of carbon stars are less than 3000k and the temperature of rich - dust envelope formed by the mass loss is lower, and therefore most of the energy from carbon stars are radiated between 1 to 60um range, in which the vibrational and ro - vibrational bands of many molecules also lies, the study of infrared spectra in this wavelength range is very important to reveal chemical compositions, dust formation process, the atmospheric structure and evolutionary status of stars
碳星光球的有效溫度不超過3000k ,同時較大的質量損失率形成了富碳的塵埃殼層,以致於它的輻射能量主要集中在1 ? 60 m的紅外波段上,並且許多分子的轉動振動能譜也集中在紅外,因此在紅外波段的研究對揭示碳星化學成份及其分佈、塵埃形成過程、恆星大氣結構和演化狀態都有十分重要的意義。Of the currently available coolers for electronic products with a high heat flux, microchannel heat sinks have been proved to be able to provide the best heat transfer performance and are one of the most promising coolers. the manifold microchannel ( mmc ) heat sink has many advantages such as low thermal resistance, compact structure, little amount of coolant, low flow rate, uniform temperature distribution along the flow direction and many others, so it is able to provide the best heat transfer performance : lowering the maxmal temperature and the temperature difference
在目前高熱通量電子產品冷卻器中,微通道熱沉已被證實是傳熱性能最佳且最具應用潛力的冷卻方式之一,而歧管式微通道熱沉因具有低熱阻、結構緊湊、所需冷卻液量小、沿流動方向溫度分佈均勻等優點則成為減小電子元器件換熱表面最高溫度、降低溫度變化的一種有效方法。We apply the system to the ultra - fine grain steel welding, the simulated mean grain size in cghaz agreed well with the corresponding independent experimental data. in this paper, three factors influencing the grain growth, the steep temperature gradient in haz. the grain boundary liquid and the precipitates particle, were studied specially using mc technique
研究表明溫度梯度造成的「熱釘扎」現象和晶界液化現象都對靠近熔合線附近的晶粒長大有明顯的阻礙作用,對最終的晶粒大小分佈有重要的影響:而800mpa超細晶粒鑰中的tin粒子山于溶解溫度高,抑制奧氏體晶粒長大的效果十分顯著。However, the refractive index will increase with the increase of the flow ratio of sifu / nhs, slightly increase with the increase of substrate temperate, and decrease with the increase of rf power. by measuring the passivation results of hydrogen plasma and sinx thin film, we found an evident improvement of minor carrier lifetime in polycrystalline silicon after hydrogen plasma treatment, although it has little to do with the annealing temperature and time. the hydrogen contained in sinx thin film can enhance the carrier mobility of monocrystalline silicon, but after annealing at high temperature the mobility turns down
通過測試氫等離子體鈍化和氮化硅薄膜鈍化的效果,實驗還發現氫等離子體處理對多晶硅材料的少子壽命提高作用比較明顯,但是這種提高作用與處理溫度以浙江大學碩士學位論文王曉泉2003年5月及時間的關系不大;氨化硅薄膜中的氫對單晶硅的載流子遷移率提高有一定作用,但經過高溫處理后這種作用消失;氮化硅薄膜能提高單晶硅和多晶硅的少子壽命,具有表面鈍化和體鈍化的雙重作用;氫等離子體和氮化硅薄膜都能有效地提高單晶和多晶電池的短路電流密度,進而使電池效率有不同程度(絕對轉換效率0In addition, the model of interaction of water and temperature between field water vaporization and soil water storage, temperature and millet weight is gotten by field trial. 2. the ammonia volatilizing of fertilizer is suit to the dynamic equation as y = a + bt, the coefficients in the equation are related to the kind of fertilizer, temperature and water content of soil, and the dynamic equation about ammonia volatilization including water and temperature and the is developed
肥料氨累積揮發量符合零級反應動力學方程y = a + bt ,方程中系數與肥料種類、溫度和土壤含水量有關,碳銨a 、 b值均比硫酸銨高,土壤含水量增大, a 、 b值降低,溫度升高, a 、 b值增大,並由此得到含溫度或土壤濕度因子的肥料氨揮發動力學方程,並建立了含水、熱因子的肥料氨揮發水熱耦合效應動力學方程。A mathematic model of reactor, steam generator, pressurizer is developed based on characteristic of pwr coolant system. for reactor, the point reactor kinetics equation with six - group delayed neutrons is used and influence of coolant ' s and fuel ' s temperature is considered, conduction model of one dimension and single - channel model is used in thermal and hydraulic calculation, third - order hermite polynomial is used to solve the point reactor kinetics equation
對于反應堆,在物理計算中採用了帶有六組緩發中子的點堆方程,同時考慮了多普勒效應及冷卻劑溫度效應對反應性的影響;在熱工水力計算中採用了一維的熱傳導模型與單通道模型;在求解點堆方程中採用了hermite插值的方法,克服了點堆方程的剛性問題。The experimental results are helpful to understand the acceleration mechanisms of the hot electron emission in the interaction of the us - ui laser pulse with plasma. an anisotropy energy distribution of the hot electrons emiaon has been observed for the first time in the experiments. the energy spectrum of hot electrons resulted from the resonance absorption at the direction of target normal is a maxwellian - like distribution
E11分佈,擬合的超熱電子有效溫度約200kev左右,超熱電子的最大能量約zmev ,加速電子的主導機制是共振吸收機制;反射方向超熱電子的能譜在低能段出現一個局部的平臺( pla1leau ) ,呈現出非類maxwen分佈,這是幾種加熱機制共同作用的結果,其中佔主導地位的是反射激光加速機制。8 - 1. 2g / min, and collection efficiency achieve 8 - 10 % under these parameters. through the study on the dispersion process of the nanoparticle tio2 in water, the author finds out that whisk time, dispersant types, dispersant concentration, dispersing time, ph value, temperature and electrolyte concentration have significant influence on dispersing effects. through contrastive and orthogonal experiments, the author obtains that composite dispersants have better results than single dispersants
研究表明,液料等離子噴塗制備的納米tio :顆粒平均粒徑為10 ~ 50nln ,其晶型以銳欽礦為主,且隨著電弧功率的增大,銳欽礦含量減少;在本次實驗工藝參數下,收集速率為0 . 8一1 . 29 / min ,收集效率為8一10 % o通過對納米ti02顆粒在水介質中的分散性研究,發現機械攪拌時間、分散劑種類及濃度、分散時間、 ph值、溶液溫度和電解質濃度對納米tio :顆粒的分散穩定性有很大的影響。Urbanization also results in reduction in visibility, increase in cloud amount and decrease in global solar radiation in hong kong. urbanization often causes an increase in suspended particulates in the atmosphere and thus a decrease in visibility. as a result, the amount of solar radiation reaching the ground decreases
城市化通常令大氣中懸浮粒子濃度增加,導致能見度降低,因此,地面所接收的太陽輻射量下降,日間氣溫上升幅度較小,但由於空調系統及其他城市活動同時亦產生了熱能,最終兩個因素的效應互相抵銷,故此最高氣溫只有輕微變化。Urbanization often causes an increase in suspended particulates in the atmosphere and thus a decrease in visibility. as a result, the amount of solar radiation reaching the ground decreases. the rise in temperatures during daytime was reduced but this is more or less offset by the heat generated from air conditioning and other urban activities
城市化通常令大氣中懸浮粒子濃度增加,導致能見度降低,因此,地面所接收的太陽輻射量下降,日間氣溫上升幅度較小,但由於空調系統及其他城市活動同時亦產生了熱能,最終兩個因素的效應互相抵銷,故此最高氣溫只有輕微變化。The main solutions in the paper are : 1. the vaporization of soil water is suit to the dynamic equation as y = a + blnt, the coefficients in the equation are related to temperature and water content of soil, and the dynamic equation about vaporization including water and temperature and the is developed, which provide some new information for studying and applying dynamic including environmental factors
土壤水分累積蒸發量符合elovich動力學方程y = a + blnt ,方程中系數與溫度和土壤初始含水量有關, a 、 b值隨土壤初始含水量和溫度增高而增大,由此得到含溫度因子或土壤濕度因子的土壤水分蒸發動力學方程,並建立了含水、熱因子的土壤水分蒸發水熱耦合效應動力學方程,為含環境影響因子動力學方程的研究和應用提供了新的信息。Through study of correlative contents of advanced computer cybernetics, artificial intelligence, the domain knowledge and special crop growth mechanism in greenhouse, we present the system of multi - sensor data fusion ( msdf ) based on radial basis function network ( rbf ) to implement on line detection for nutrient - liquid, which may realize multiple components detection on - line, for example no3 -, cl -, ca2 +, ph, ec, nh4 +, k + and so on. the soft sensor ' s mechanism is introduced to overcome the limitations of sensor ' s manufacturing process. to improve the believe - degree of soft sensor ' s result, we analyze soft sensor ' s result by uncertain inferential capacity and combination rule of evidential theory
本論文通過對計算機技術、控制理論、人工智慧技術和設施農業領域知識等相關理論的研究,結合對特定溫室蔬菜生長的研究與機理分析,提出了一種基於rbf神經網路的營養液多傳感器數據融合( msdf )系統,實現對營養液組分: no _ 3 ~ - 、 cl ~ - 、 ca ~ ( 2 + ) 、 ph 、 ec 、 nh _ 4 ~ +和k ~ +的在線檢測;對于由於目前傳感器製造工藝的限制而不能在線檢測的離子成分如磷酸根和硫酸根,提出了一種基於徑向基函數網路的軟測量機制,可以有效地實現對營養液中磷酸根和硫酸根成分的實時檢測;為了提高軟測量結果的可信度,利用d - s證據理論的不確定推理能力和合成公式,結合領域知識對軟測量結果進行可信度分析。The ratio of isopropyl alcohol and pure water and temperature in the process of freezing are considerated in the research of the preparation of the pt / c electrocatalysts with freeze - drying method. the result shows, when we use 300ml pure water to wash the carbon ( 40mg ) in isopropyl alcohol ( 20ml ) to alter the ratio of isopropyl alcohol and pure water, we get the electrocatalysts with high catalytic activity ; the use of the liquid nitrogen ( - 196 ) to freeze the suspension ( carbon and precursor solution ) can make the pt / c electrocatalysts in high dispersion
採用300ml純水對20ml異丙醇中的40mg碳載體進行洗滌抽濾,來改變預凍液中的醇水比例,通過冷凍乾燥制備pt / c的性能較好;採用液氮對預凍液進行冷凍(預凍溫度為- 196 )制備的pt / c催化劑性能較好;冷凍乾燥法可以有效地避免加熱乾燥過程中前軀體離子在碳載體表面的脫附和團聚,進而制備載量大、分散性好、粒徑較小的pt / c催化劑。The control equation consist of completely coupled deformation equation, seepage equation, conduction and convection equation of heat, which describe the reservoir non - liner performance. 2, present the detailed strategy and methods to solve this mathematics model, the basic strategy as follows : regard the deformation equation ? seepage equation conduction and convection equation of heat as separate system, and solve the equation by coupling and iterative method ; disperse the control equation in the geometry field by the finite element method ( galerkin ), and in the time field by the finite difference method : programme the computer program on this task ; when the solving, take the combinative measures of the thick and thin mesh ; successfully carry out the numerical simulation in vast 3d heat extraction system of hdr
2 、提出了高溫巖體地熱開發的固、流、熱多場耦合數學模型的數值解法,其基本的求解策略是:將固體變形,流體滲流與溫度場方程看成獨立的子系統,耦合迭代求解;利用有限元離散( galerkin )方法將控制方程在幾何域上離散,並用差分法得到時間域上的離散方程,並在此基礎上,編制了相應的計算機源程序;有限元求解中,為減小邊界效應的影響,在計算中採取粗細網格結合的方法,順利地實現了高溫巖體地熱開發三維巨系統的數值模擬。Abstract : this paper describes the thermal effects of a coaxial rf - excitedco2 laser , based on the balance equations of electron density and energy , current continuity equation , and heat conduction equation. depende ncies of the spatial distributions of gas temperature on some discharge parameters arediscussed
文摘:通過求解放電等離子體中的帶電粒子密度和能量的平衡方程、電流連續性方程以及熱傳導方程,研究了同軸射頻( rf )激勵co2激光器中放電混合氣體的溫度效應,分析了有關放電參數對溫度分佈的影響。The intra - and inter - phase diffusion effects were analyzed. it was pointed out that the rate determining step will change with the temperature. the effective factor was calculated to evaluate the level of the inner diffusion
對反應中的內、外擴散行為作了分析,指出了速控步驟隨溫度的改變,並計算了衡量內擴散程度的有效因子。分享友人