凍結程度 的英文怎麼說
中文拼音 [dòngjiēchéngdù]
凍結程度
英文
freezing level- 凍 : Ⅰ動詞1 (液體或含水分的東西遇冷凝固) freeze 2 (受冷或感到冷) feel very cold; freeze; be frostb...
- 結 : 結動詞(長出果實或種子) bear (fruit); form (seed)
- 程 : 名詞1 (規章; 法式) rule; regulation 2 (進度; 程序) order; procedure 3 (路途; 一段路) journe...
- 度 : 度動詞[書面語] (推測; 估計) surmise; estimate
- 凍結 : 1. (液體遇冷凝固) freeze; congeal2. (阻止流動或變動) frozen-in; freeze-up; congealment; block
- 程度 : 1. (知識、能力的水平) level; degree 2. (事物變化達到的狀況) extent; degree
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The compatibility and harmony among workability, mechanical grade and durability are optimized, with the ground of adjusting composition and dosage of fd - 1 ; after analyzing anti - freezing damage mechanism, it is concluded that temperature is main factor, which affects structure and property of concrete. after two processes of temperature - elevation of hydration heat and temperature - descent of cold - environment, there is original damage in concrete and its existence leads to temperature fields, as results in temperature damage on transition phase > aggregate and cement mortar of concrete
通過對負溫混凝土早期防凍分析研究認為,環境溫度對混凝土的結構形成及其性能的影響十分突出,水泥水化溫升和環境散熱降溫兩個過程導致混凝土結構內部產生不均勻溫度場,對過渡相、水泥砂漿以及骨料都能產生不同程度的溫度損傷,產生內部溫差應力裂紋,初始損傷也是不可避免的。The freezing phase refers to the process to understand the needs for change, to inspire unsatisfactory to realism and to breed the desire to spurn the old. at the same time, the influence of the change must be understood and a secure sense must be created. the change phase is a process transiting from the old stage to the new one, which points out the direction of reform, applies transformation and guide the staff to form new attitude and behavior
盧因認為任何組織的發展都要經過「解凍?變動?再凍結」三個階段:解凍是指人們認識到變革需要的過程,在此階段應激發人對現實的不滿,並產生摒棄舊態度、舊行為方式的願望,同時使人們了解變革的影響,創造心理上的安全感;變動是舊階段向新階段的過渡,它指明變革方向,實施變革,使職工形成新的態度和行為;再凍結是指固定新行為和新態度,不讓它進一步變動的過程,以防止恢復到解凍前的狀態。The study on salc includes : 1 ) the study on the harmonization between aeration rate and melts thickly rate ; 2 ) the study and application of the new multi - function composite additive ( nmca ) ; 3 ) the study on the durability of salc ; 4 ) the designation of the structure of new multi - functional unbearing compound wall and fast equipment mold, etc. the results show : the additive can improve the harmonization of the workability and mechanics characteristic of salc to a certain extent ; improve the volume stability of salc under different environment by enhancing the resistance to the freeze and thaw, dry and wet circle and drying shrinkage
在salc的研究方面,主要包括發氣速度和稠化速度的協調性研究、新型多功能復合外加劑的研製、耐久性能的研究以及新型多功能非承重復合墻體結構及其澆注成型的快速組裝模具設計等內容;結果表明:科學合理的引入輔助外加劑在一定程度上使salc材料的工作性及相應物理力學性能得以最佳匹配,增強了salc材料對凍融循環、干濕循環及乾燥收縮的抵抗能力,使salc在不同的環境下均具有較好的體積穩定性。From experimental result, i preliminarily know that eps is good thermal insulation material because the absorption of water is low and heat insulation is good, it is practicable at preserving temperature field of frozen earth roadbed and bringing frozen disaster under control ; second, according to the analysis of the eps that is applied into practical project, i have studied the practical effect which eps preserve roadbed temperature field, and the influence that was made after building field. i have get that eps can influence moisture content and frozen upper limit, through practical measuring data, i have studied freezing and expanding quantity and melting and submerging quantity during a complete frozen and melting cycle as well as have expanded and proved the practical application effect of eps with some reference significance to deep research of some connected problems. finally, through computer data analysis, setting up the analytical model of finite unit, i have simulated the temperature field of roadbed heat preservation, then expounded and proved that the height of embankment influenced the effect of thermal insulation material
其一是對聚苯乙烯泡沫塑料( eps )保溫板以及天然路基土層、路堤填料進行了室內試驗分析,結合國內外現在的有關科研成果,綜合確定其各項特徵參數;從試驗結果初步認識到聚苯乙烯泡沫塑料是一種吸水率低,隔熱性好的保溫材料,在凍土路基溫度場的保護和凍害治理方面是可行的;其二通過eps保溫板在現場工程實踐中的應用分析,研究了保溫板在保護路基土層溫度場的實際效果以及修築路堤后造成的影響,保溫板對土體含水量、凍結上限的影響,通過實測資料,研究了在一個完整的凍融周期內整個路基的凍脹量和融沉變形量,論證了保溫板的實際應用效果,對有關問題的進一步研究和相關工程設計具有參考意義;其三,通過計算機數值分析,建立有限元分析模型,對保溫路基的溫度場進行了模擬計算,論證了路堤高度對保溫材料效果的影響。Furthermore, the impacts of the geometric dimensions of the coils, the inlet temperature and the flow velocity of the secondary fluid on the charge / discharge modes were discussed. a comparison of the total freeze - up and the partial freeze - up has also been made
研究了載冷劑進口溫度、流速和盤管材料的熱導率對蓄冰盤管傳熱性能的影響,並對完全凍結方式和不完全凍結方式的結冰和融冰過程作了比較。The results showed that there was notable effect of soybean protein on the frozen dumpling quality, and it was different to the different ( lines ) wheat flour ; after adding appropriate amount of soybean protein, the cracking ratio of frozen dumpling and loss ratio of boiled dumpling of shan 168, pubing 143, 31 - 1 - 12, 981 wheat flour dumpling both fell at different degrees, but the cracking ratio of frozen dumpling and loss ratio of boiled dumpling of 3 - 2 wheat flour dumpling increased ; after adding soybean protein, the frozen and boiled appearance, eating sense, boiled and dumpling soup character of 3 - 2, 31 - 1 - 12, 981 wheat flour dumpling were improved, but the eating sense of shan 168 and the soup character of pubing 143 wheat flour dumpling were not affected, but other sensory indexes were obviously improved
結果表明,大豆蛋白對冷凍水餃質量有顯著影響,對不同品種(系)小麥粉水餃的影響不同;添加適量大豆蛋白,可使陜168 ,普冰143 , 31 - 1 - 12 , 981小麥粉水餃的凍裂率和烹煮損失率有不同程度的降低,但使3 - 2小麥粉水餃的凍裂率和烹煮損失率升高;添加大豆蛋白能明顯改善3 - 2 , 31 - 1 - 12 , 981小麥粉水餃冷凍后和煮后外觀、口感、耐煮性及餃子湯特徵;添加大豆蛋白雖對陜168水餃口感和普冰143水餃湯特徵無明顯影響,但可明顯改善其他感官指標。For concrete structure in the practical engineering, the non - mechanics damages, such as alkali - aggregate reaction, sulfate attack, carbonization, steel rust, freeze and thaw, and so on, are unavoidable due to the exist of erosive media. the deterioration form of mono or multi - factor influences on the concrete property of construction and durability greatly, and shortens the service life of the concrete to a large extent. permeability of concrete is the most important factor for these non - mechanics damages, so the permeability test of concrete is the normal and required item to study the durability of concrete
實際工程中的混凝土結構,因侵蝕性介質的存在而使非力學破壞行為無處不在,這些非力學破壞行為包括堿集料反應、硫酸鹽侵蝕、碳化、鋼筋銹蝕、凍融等,單一的破壞形式或多形式的復合破壞作用對混凝土結構性能及耐久性能均有著較為嚴重的影響,在很大程度上縮短了建築物的服役年限,而這些非力學破壞在很大程度上取決于其滲透性,所以測試混凝土滲透性能是研究判斷混凝土耐久性的常規必測項目。The results indicate that drying thickness, radiant temperature and pressure of drying chamber are the most three significant factors. there ' s hardly any relationship between freezing rate and drying time, the sublimation drying time of slow freezing material is shorter than quick freezing one, but its desorption drying time is relatively longer, so the total drying time is approximately the same. the initial freezing temperature and freezing manner has little influence on vacuum freeze drying process
試驗表明:凍干厚度、加熱板溫度、系統的真空度是最重要的三個過程參數;凍結速率對總凍干時間沒有影響,慢凍物料的升華乾燥時間要比快凍物料短,但慢凍的解析時間相對較長,兩者的總凍干時間相差很小;初始凍結溫度對凍干過程的影響可以忽略。The slity soil frost ratio can be predicted through the input parameter of water content, density and freezing speed and the frost ratio is used in railway construction
由含水量、密度和凍結速率三個基本輸入參數,預測粉質土的凍脹率,進而分析對鐵路工程建設的影響。Temperature distribution of frozen cargoes in hold - over plate refrigerated vehicle during transporting period
多孔介質凍結過程中溫度變化的數值模擬The principle of artifical freeze sinking and its advantages in engineering application are introduced ; and combining with field cases, a definite introduction is made on the computational method of freeze walls in mine construction ; moreover, how to predict the thickness of freeze walls by using computer simulation is briefly introduced
摘要介紹了人工凍結法的原理及其工程應用中的優點,並結合工程實例對礦井施工中凍結壁厚度的計算方法做了一定的介紹,並簡略介紹如何來用計算機模擬來預測凍結壁的厚度。In the area of seasonal frozen region, the road takes place the cycle of freezing and thawing variety with the season, the mainly disease harm generating from this is the frost heave and frost boiling etc. . the disease harm belongs to the heat transfer problem, but the effective measure to prevent and cure the frost boiling has something to do with the gradient of temperature and humidity
在季節性凍土地區,道路隨季節交替發生凍融循環變化,由此產生的病害主要是凍脹和翻漿等。病害的形成歸根結底屬于熱質遷移問題,而防治凍脹與翻漿的有效措施無不與溫度和濕度有關,搞清冬季凍結過程道路結構體系溫度、濕度及應力的狀況,是正確設計路基路面,防治凍脹和翻漿的先決條件。( 2 ) because of t he variability of rock subjected to outside action, three new conceptions : postive damage basic damage and negative damage, are suggested, which can deal with the condition that rock density became large. ( 3 ) the present damage variables based on ct number mostly include ct average number of the rock without damage, which is difficult to measure, so a new damage variable, which includes the average ct number is proposed, on the other hand, strain equal theory is generalized because the one put foreword by lemaitre is not good enough to use. ( 4 ) a axial damage constitutive equation is proposed and testified. ( 5 ) with the circle times, the damage propagation laws of two different rocks, subjected to circle of freezing and thawing, are studied, and in the analysis process, traditional analysis method including average ct number and is used, some important conclusions are reached : inner damage of soft rock containing a large mount of apertures is largely propagating with the time increasement of circle, however, at the preliminary time, the hard rock containing a small mount of aperture is a little propagating, at late time, the influence become large ; ( 6 ) zone separation and statistics frequency put forward is used to analysized the three different damage propagation in the open circumstance, when they are subjected to the different circle times of freezing and thawing, in which the temperature variability is linear, different freezing rate, and different freezing temperature, and no water is supplied during the test
在研究過程中本文主要做了以下工作: ( 1 )針對巖石損傷變化較小時,運用ct均值和方差分析不方便的缺陷,本文提出運用對ct數范圍劃分區段的方法,根據各區段統計頻率的變化規律來分析損傷擴展狀況; ( 2 )針對巖石受到外部作用的多變性,本文提出了基準損傷,正損傷,負損傷的概念,在某種程度上考慮了巖石受到外部作用時的壓密情況; ( 3 )現有的基於ct數的損傷變量大多需要用到巖石基體的ct均值,這實際上是很難觀測到的,因此本文建議了一個可運用巖石初始狀態ct均值的損傷變量,由於現有的勒邁特教授應變等價原理使用上的不便,本文在其基礎上進行了推廣; ( 4 )建議了一個可用巖石初始狀態ct數和彈性模量的單軸損傷本構方程,並用算例進行了驗證; ( 5 )對兩種不同巖石在開放環境下受到凍融循環作用且融化過程中補水時,內部損傷隨凍融循環次數增加的擴展規律進行了探討,主要運用了常規的ct均值和ct方差的分析方法進行分析,試驗發現:對于孔隙率和含水率較高,密度和強度較低的軟弱巖石,凍融循環次數對損傷結構的擴展有明顯的影響,而對于孔隙率和含水率較低,密度和強度較高的硬巖,凍融循環次數對其損傷結構擴展初期由於含水率低的原因,影響不是太大,而後期由於水補給后,含水率較高的原因,凍融影響逐漸增大; ( 6 )運用了本文提出的區段劃分和統計頻率的方法,深入地分析了開放環境下的線性溫度變化的凍融循環次數,凍結溫度,凍結速度不同巖石作用時,其內部損傷隨凍融循環次數,凍結速度和凍結溫度變化的擴展規律,需要指出的是除了在試驗前飽水外,凍融過程中沒有補水。The result indicated that, mix the mineral mixture of fly ash, flag into concrete can optimize the concrete pore structure, improve the concrete compressive strength and impermeability, and along with the age increment the improvement become more obviously ; after saturated freezing and thawing, the concrete pore structure changed apparently, total porosity increased, macro porous quantity rapid increased, small pore quantity reduced, mean radius and most probable aperture increased ; and the more saturated degree, the more obviously destructive effect
研究表明:在混凝土中摻加粉煤灰、礦渣等礦物摻合料優化了混凝土的孔結構,提高了混凝土的抗壓強度和抗滲性能,且隨齡期的延長這種改善作用更加明顯;飽水凍融后混凝土的孔結構變化明顯,總孔隙率增加,大孔數量急劇增大,小孔數量減小,平均孔徑和最可幾孔徑增大;且飽水程度越大,這種破壞作用越明顯。In this paper, the present status of development on the deep foundation pit conserved by frozen wall and coupled problems are analyzed thoroughly. the governing differential equations are obtained based on thermodynamics, while the finite element formulae is achieved by the galerkin ' s method
本文在對凍土墻圍護深基坑開挖凍結溫度場和應力場耦合分析研究現狀的基礎上,以熱力學為基礎,推導了凍土墻溫度場控制微分方程,並利用伽遼金方法推導了凍土墻凍結溫度場和應力場耦合計算的有限元計算格式。In this paper, the calculating model for coupling function of water movement and heat conduction in subgrade is established based on the theory of continuum mechanics and the thermodynamics. the load function ’ s influence to frost heave is qualitative consideration in the model. the relationship of moisture content and temperature change with time and depth is calculated by use of matlab
本論文基於連續介質力學和熱力學理論,建立了路基土的水分運移和熱傳導耦合模型,並定性的考慮荷載對凍脹性的影響,利用matlab數值計算軟體,求解出了路基土在凍結過程中的含水量和溫度在不同時間隨深度的變化關系。On the basis of a case study regarding freezing engineering project from a coal mine, huainan, the frozen wall thickness, average temperature, freezing time of an oblique frozen tube axe simulated using large - scale non - linear finite element computational procedure adina numerical simulator, resulting in the data coincided with site measured
以淮南某煤礦凍結工程為研究背景,應用大型非線性有限元計算程序adina模擬凍結管偏斜條件下的凍結壁厚度、平均溫度與凍結時間等,結果和現場實測十分接近。In the whole, the density get large when frozen, and the freezing rate is reverse rational to the degree of the density enlargement. the density get small when frozen, and the freezing rate is reverse rational to th
對于巖石強度較大,孔隙貫通程度較小的硬巖,凍結速度對其影響最大,凍結后巖石整體上密度呈增大的現象,但增大的程度跟凍結速度成反比。In freezing, control of thickness of the freezing wall is of great importance
在凍結法施工過程中,如何控制凍結壁的厚度是一個非常重要的環節。The study demonstrated that the application of finite method analysis can predict the temperature field development of frozen tube wall, and it can provide reference data for performance of freezing engineering projects
研究表明:應用有限元方法分析凍結溫度場,能很好地預測凍結壁溫度場發展,可為凍結工程信息化施工提供參考。分享友人