絕對體積 的英文怎麼說
中文拼音 [juéduìtǐjī]
絕對體積
英文
absolute volume-
The pressure of a gas is ( directly ) proportional to its absolute temperature when its volume remains constant
當氣體體積保持不變時,氣體壓力就和其絕對溫度成正比。The temperature rise at the center of a massive concrete wall is calculated by using the adiabatic rise of temperature and heat conduction equations of concrete based on the equivalent time, and considering effects of temperature on the hydration heat reaction ratio and creep characteristics of early - age concrete
摘要基於等效時間的混凝土絕熱溫升、熱傳導方程,考慮溫度對早期混凝土水化熱化學反應速率和徐變特性的影響,計算了大體積混凝土墻中心的溫升。The transducer made by this research not only has the feature of measuring high precision and good currency, but also the mini volume and light weight, convenience to take, it is suitable for the scale and analysis of ulf absolute vibratory signal in production
根據這種方案研製的傳感器系統不僅測量精度高、通用性好,而且體積小重量輕,攜帶方便,適合在生產現場對超低頻絕對振動信號進行測量與分析。In the program, the effect of lamination placement, construction interval, elastic modulus change, thermal insulation change, surrounding temperature change, concrete creep and autogenous volume change on thermal stress are considered. and such temperature control measurement as water pipe cooling, heat preservation of the dam surface, the pouring temperature control, the overflow across the dam top during flood season can also be simulated by numerical method
該程序在編制過程中考慮了混凝土分層澆築、施工間歇、彈模變化、絕熱溫升過程、環境溫度的變化、混凝土徐變、自生體積變形等因素對壩體溫度場及溫度應力場的影響,同時也考慮了水管冷卻、壩體表面保溫、控制澆築溫度、施工汛期壩頂面過水等各種溫控措施的數值模擬。In this article, according to heat conduction theory, elastic creep theory and finite element theory, the temperature field and creep stress field in the arch dam during construction and operation are simulated and analyzed by means of three dimensional finite element relocating mesh method, and the distribution law of the temperature field and creep stress field in the arch dam during construction and operation are systematically studied, and according to the construction process of concrete arch dam, the effect of lamination placement, construction interval, elastic modulus change, thermal insulation change, surrounding temperature change, concrete creep and autogenous volume change on thermal stress in the arch dam are also considered
論文根據熱傳導理論、彈性徐變理論及有限元理論,用三維有限元浮動網格法對拱壩施工期和運行期溫度場、徐變應力場進行了全過程模擬分析,較為系統的研究了混凝土拱壩施工期和運行期溫度場、徐變應力場的分佈規律,在分析中按照混凝土拱壩施工過程,考慮了混凝土分層澆築、施工間隙時間、彈模變化、絕熱溫升過程、環境溫度的變化、混凝土徐變、自生體積變形等因素對壩體溫度應力的影響。In computation the effect of thermal insulation, elastic modulus, creep degree and autogenous volume change along with age, the progress of pouring by layer, work suspension in summer, the change of air temperature, heat preservation, water cooling, and water storage, by stages on temperature field are considered
計算中考慮了混凝土的絕熱溫升、彈性模量、徐變度和自生體積變形隨齡期的變化以及分層澆築、夏季停工、外界氣溫變化、表面保溫、通水冷卻及分期蓄水等因素對壩體溫度應力場的影響。Based the humidity theory, the paper adopts the relative humidity as the character value and puts forward using 30 % rh and below 0c dew - point as the on - line monitoring critical value. it gives the method of volume ratio convert at the different temperature. with the standard value, we can conclude the result of moisture content
針對現有規程標準中控制水分的指標的缺點和局限,提出了採用相對濕度作為監測特徵量並轉換為露點以直觀表示設備絕緣狀況:採用30相對濕度及0以下露點作為監測的臨界值與允許值;同時推導出了體積比單位在不同溫度下的折算方法,以結合現有標準,綜合分析,做出判斷結論。Comparison of the calculated elastic moduli with the experiment ones for fcc al and bcc li and na it shows they are in perfect agreement with each other
當晶體從絕對零度升高到某一有限溫度下時,晶體發生體積膨脹,計算出發生體積膨脹后的新體積。The more common electrical properties include : 1 ) electrical resistivity and conductivity, and 2 ) the relative dielectric constant, which relates the accumulated charge across and insulator to the electric field
常見的電學性能包括: ( 1 )電阻率和電導率,和( 2 )相對介電常數,即積累電荷和絕緣體向電場之間的關系。In this paper, referring to qingju water power station, temperature control analysis and study has been done : study on the match ratio of the concrete and question of modifying of the special fine sand concrete to improve resisting ability of splitting of concrete ; study on the technology of the highly mixed fly ash to reduce the adiabatic temperature rise of concrete ; in case of the condition of resisting splitting to allow, study on the temperature control measure to strengthen and water the size of building, simplify the operational procedure, accelerate the construction speed, economize the expenses of the project
溫控問題成為青居水電站設計和施工的關鍵技術問題。 、本文對水工大體積混凝土溫控問題進行了分析和總結,結合青居水電站閘壩工程,開展溫度應力及溫度控制研究:研究混凝土的配合比及特細砂混凝土『改性問題,提高混凝土的抗裂能力;研究高摻粉煤灰技術,降低混凝土的絕熱溫升:在抗裂條件允許的情況下,研究施工過程中溫控措施的簡化,以加大澆築尺寸,簡化施工程序,加快施工進度,節約工程費用。Combining burning and heat exchange as a whole, this furnace adopts the novel indirect heating technology of performing heat exchange at high temperature position of the furnace, inside which, smoke and air flow separately, heating has no contamination, thermal efficient reaches 60 - 75 %, therefore, it features speedy temperature rise, compact dimension, convenient installation, reliable operation and lower cost ( only half of that by boiler heating system )
該爐集燃燒與換熱為一體以爐體高溫部分進行換熱的最新間接加熱技術,煙和空氣各行其道,加熱絕對無污染,熱效率高達60 - 75 % ,升溫快,體積小,安裝方便,使用可靠且價格低,與一噸鍋爐相比,該加熱系統只相當于鍋爐加熱系統價格的一半。The measurement of dielectric loss and volume resistivity is effective preventive tests to judge insulating oil isolation status of polluted and aging, and it ' s important method of ensuring the safe operation of transformer and oil - filled circuit breaker, etc. however, the measuring systems of insulating oil dielectric loss and volume resistivity used at present exist the shortcoming of low accuracy, weak repeatability, inconvenience, and its thermostatic control system ca n ' t meet the challenge
絕緣油的介質損耗因數、體積電阻率測量,是判斷絕緣油的劣化與污染程度的有效預防性試驗,是保障變壓器、油斷路器等充油電力設備安全運行的重要手段。然而,目前所使用的絕緣油介質損耗因數、體積電阻率測試系統存在著測量精度低、測量結果重復性不好、控溫系統不能滿足控溫要求、操作不便等缺陷,針對這一現狀,本文對絕緣油介損及體積電阻率一體化測試系統進行了研究。Subjective questionnaire and physiological signal are used to record the change of driver ’ s heart rate ( hr ), breath rate ( br ) and surface electromyogram ( semg ). the result shows that hr, br, semg of loin can be used to describe df and the average of hr and br drops, semg raises during driving process
實驗結果表明:駕駛員心率、呼吸頻率和表面肌電值可反應駕駛疲勞程度,並且心率平均值、呼吸頻率平均值隨時間變化總體呈下降趨勢;腰部表面肌電絕對積分值隨時間變化總體呈上升趨勢。Sensors using fbg as the sensing component have many advantages including light weight, small size, anti electromagnetism interference, convenience in fiber connecting, wavelength absolute coding etc. multiple point detection of materials ( temperature, strain etc. ) can also be achieved by connecting several sensors into a net using variety of multiplex techniques and embedding it into or sticking on the surface of the material or structure
以光纖布拉格光柵( fbg )為傳感元件的傳感器具有重量輕、體積小、抗電磁干擾、易於光纖連接、波長絕對編碼等優點,還能把多個傳感器利用各種復用技術連接成傳感網路,埋入材料和結構內部或貼裝在其表面,實現對其特性(如溫度、應變等)的多點監測。" pl " ( the probability of the accident multiplied by the gravity of the resultion injury ) is the risk associated with the activity, the expected liability or the discounted accident cost. hand formula is the first attempt which uses economic analysis to deal with tort. though hand formula makes the reasonable - man standard more accurate, actually, hand formula and the reasonabl - man standard are not absolute in solving the cases
但是,漢德公式和理性人標準的運用並不是絕對的,在實際的案件審理中,仍然存在一些抗辯理由,因此,漢德公式並不是看上去那麼簡單,在具體案件中應用它並使其符合效益原則更不是一件容易的事,漢德公式在確定行為人的責任或義務范圍以及處理侵權糾紛方面的確有一些積極意義,但它的適用也受到許多限制。Pressure sensors special for low and differential pressures are preferably used for the measurement of lowest gauge pressures, differential pressures, absolute pressure and volume flow measurements for dry non - aggressive gases
該壓力傳感器很適合於乾燥無腐蝕性氣體的超低壓差壓絕對壓力和容積流量的測量。This device has many advantage character with lower flow, higher delivery lift, small area for occupying and also has double cases structure, in which internal case is vertical and sectional type and external is simple sack type in order to guarantee safety arriving without any leaking absolutely
該型泵具有流量小、揚程高,佔地面積小的優點,該泵為雙層殼體結構,內殼為立式節段式,外殼為筒袋式,確保運行安全,達到絕對無泄漏。Measurement of relative permittivity, dielectric dissipation factor at power frequency and volume resistivity of insulating liquids
液體絕緣材料工頻相對介電常數介質損耗因數和體積電阻率的測量In this section, conclusions are made as follows : ( 1 ) with the increase of vgcf content, the cpe / pzt / vgcf composite represents insulator, semiconductor and conductor
通過對cpe / pzt / vgcf復合材料的導電性能和粘彈性能的研究發現: ( 1 )隨著vgcf體積分數的增加, cpe / pzt / vgcf復合材料呈現由絕緣材料到半導體、導體材料的導電特性。This system is a totally automatic measuring and analyzing system with wide measuring range ( from 10 - 16 to 10 - 2a ) and high precision ( 0. 2 % ) which is first developed in china. a 50 - loop current measurement and control system, and a micro - current automatically cycling measurement system together with its three - level protecting system are developed in this thesis. additionally, a software package for this measuring system of ion migration test is developed successfully
在對新型絕緣子離子遷移試驗測量系統研製和開發的過程中,本文設計並研製出了50路電流測量控制系統,微電流自動循環測量系統及其三級保護系統;並成功地開發出一套離子遷移試驗測量系統的軟體系統,該軟體系統不但簡潔、易用,而且實現了採用軟體對多個硬體設備的同步、協調控制,以及通過軟體對多個(達100個) i / o節點的實時控制,另外,還實現了測量數據的自動存儲以及對累積電荷量大小和發展趨勢的自動分析功能等。分享友人