凍結孔 的英文怎麼說

中文拼音 [dòngjiēkǒng]
凍結孔 英文
freeze hole
  • 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）
  • 凍結 : 1. （液體遇冷凝固） freeze; congeal2. （阻止流動或變動） frozen-in; freeze-up; congealment; block
  1. The investigation of a lot of parameters about treated sandstone, brick materials and earthen materials with fluorited polymers has been carried out, such as the formation of polymer, the penetration depth, porosity, capillary absorption and penetration coefficient, water uptake, compressive strength, drilling resistance, absorption isotherms of water vapor, water vapor diffusion, color changes as well as resistance to desegregation of water, frizzing - throwing cycles, worming - cooling cycles, and so on. in addition, the influence of salt crystallization, acid and base, and uv aging have also been assessed in order to better understand the protection effects and utilization possibility of two fluorinated polymers, mainly according to astm standard and the combination of international methods together with general technological

    分別以國家級文物保護單位的土質、砂巖和磚材文物樣品為對象，依據astm標準及國際通用文物保護研究方法與評估準則相結合，通過膠化物形成周期、滲透深度、孔隙度、毛細吸水和滲透系數、持水量、抗壓強度、抗鉆強度、吸附水蒸氣的能力、透氣性、外觀顏色等系列參數的測定，及凍融、冷熱循環、酸堿腐蝕后抗壓強度的衰減、可溶鹽對保護效果的影響、酸堿及光照對表面保護效果的影響，對兩種含氟聚合物及其與有機硅的共混物在文物加固保護和表面防護中的可行性和保護效果給予了系統研究。
  2. Cement injection of perforating holes in a frozen pipe is a wholly - new technology for consolidating shaft wall rock and stopping water of frozen shafts in coal mines

    凍結管射孔注漿是在對石油輸油井射孔技術和地面注漿技術進行研究的基礎上，開發出的一種用於煤礦凍結井筒圍巖加固和堵水的全新技術。
  3. Abstract : cement injection of perforating holes in a frozen pipe is a wholly - new technology for consolidating shaft wall rock and stopping water of frozen shafts in coal mines

    文摘:凍結管射孔注漿是在對石油輸油井射孔技術和地面注漿技術進行研究的基礎上，開發出的一種用於煤礦凍結井筒圍巖加固和堵水的全新技術。
  4. The technology, which is developed on the basis of perfora ting techniques for oil wells and cement injection techniques, can not shoot thr ough the frozen pipe wall at predetermined ground location using energy - gatheri ng - blasting techniques, but also consolidate shaft wall rock by cement injectio n and filling along the frozen pipe and perforated hole s trajectories, achievi ng leakageproof of shaft walls and reducing vertically - added force

    它利用聚能射孔爆破技術，在預定地層位置將凍結管射穿，同時在地面利用凍結管及射孔彈道對特定地層進行注漿充填加固，既可實現井壁堵漏，又能減少由於地層沉降對井壁的垂直附加力。
  5. The results shows that temperature in the porous dried layer varies - as a exponential discipline whose changing scope is determined by the mass flux and a linear distribution in temperature exists across the frozen layer

    結果表明，多孔乾燥層溫度按指數規律變化，變化幅度取決於水汽流率，凍結層溫度按線性分佈，預測凍干時間與實際結果相符。
  6. The phase change of soil moisture and inflation of the frozen moisture c ause the reduction of hydraulic conductivity by reducing the area of flow section and the aperture of soil pore space, increasing the capillary resisting force to soil moisture, and decreasing the water potential gradient because of the increasing of movement distances of soil water

    導水率減小是凍結土壤入滲能力減小的根本原因，而土壤中液態水的相變是導水率減小的根源所在。土壤水分的相變及其膨脹通過減小土壤水分過水斷面面積和孔隙孔徑，增大阻力和由於增長運動距離而減小水勢梯度使凍結土壤的導水率降低。
  7. It is suggested that line 12 passing underneath line 1 shall adopt the freezing process of solid and mining method

    對推薦換乘樞紐提出了水平孔凍結加固、礦山法構築穿越段的施工方法。
  8. The concrete used in testing bridge is monitored and some performance at definite age including compressive strength, splitting fensile strength, frost resistance, scaling frost resistance, chloride ion diffusion coefficient ( dcl - ), resistance of carbonization and pore structure by mercury porosimetry are tested. these performances are compared with that of concrete which designed by traditional method. the results show that mechanical properties of concrete designed by high durability concrete proportion and traditional method meet require ment at any age, however, frost resistance, scaling frost resistance, chloride ion diffusion coefficient ( dcl - ), resistance of carbonization and pore structure of the former are better than the latter, so high durability concrete is economic benefit

    對試驗橋用混凝土的質量進行監控，並成型試件測量所需齡期內的抗壓強度、劈裂強度與抗凍融、抗鹽凍、氯離子擴散系數（ dcl - ） 、抗碳化等耐久性能指標及孔結構，並與傳統混凝土進行對比研究，結果表明:高耐久性混凝土及按傳統配合比設計的混凝土的力學性能均能滿足相應齡期的要求，但前者的抗凍融性能、抗鹽凍性能、抗碳化性能、 dcl -和孔結構明顯優於後者，並具有明顯的社會經濟效益。
  9. There exists loose network structure in uhmwpe gel fiber after phase separation, many nano - sized and micro - sized poles occur in uhmwpe gel fiber after extraction, so nano - particles can diffuse into gel fiber

    由於相分離而使uhmwpe凍膠纖維中存在著疏鬆的網路結構，經萃取后會在纖維中形成許多貫穿的納米或微米級的微孔，使納米粒子能擴散進入纖維中。
  10. With using once artificial freezing method and natural freezing method test the compressive strength of low - temperature concrete at different age and by testing the loss percentage of water ( content of evaporative water ) of saturated specimen test the pore porosity of low - temperature concrete at different age

    方法採用恆低溫一次凍結法和自然變低溫多次凍結法，測定混凝土在不同齡期的強度值，利用可蒸發水含量法測定對應齡期的孔隙率。
  11. Several fabrication methods, including nonwoven meshes / fiber bonding, solvent casting / particulate leaching, phase seperation / freeze drying, gas foaming and three - dimensional printing, which are used to prepare tissue engineered porous scaffolds from natural or synthetic biodegradable materials, are reviewed

    摘要綜述了以天然或合成生物降解材料為原料的組織工程多孔支架的幾種制備方法，包括無紡織物纖維粘結法、溶液澆鑄粒子洗出法、相分離凍干法、氣體成孔法和三維「印刷」等方法。
  12. Comparing with the reference concrete, the resistance of freezing - thawing cycles and chloride diffusivity in calcium - enriched fly ash concrete increase, because the pore structures and interface structure are optimized, so the durability of calcium - enriched fly ash concrete is perfect

    相對于基準混凝土，增鈣粉煤灰混凝土的抗凍性和抗氯離子滲透性能均有所提升，這主要是由於增鈣粉煤灰改善了混凝土的孔結構和界面結構，從而使其具有更為優異的耐久性。
  13. Abstract : based on the test results of frost micro pore structure density distribution of high strength concrete at minus temperat ure ( hscmt ), the frost damage fiber bundle model of hscmt was buitl. the purpose is to study frost damage factor of hscmt in the future, to deduce lost efficiency p robability of hscmt and prevent hscmt from frost in cold weather

    文摘:根據負溫高強混凝土凍結顯微孔結構密度分佈結果，建立了凍結損傷纖維束模型，為進一步研究負溫高強混凝土的凍結損傷基因，推斷負溫高強混凝土的失效概率，及負溫高強混凝土受凍害的防止打下基礎。
  14. ( 5 ) when pgcs were cultured on different feeder layers, the better results were got if pgcs were cultured on sto and mef1 feeder layers, when pgcs were cultured on thawed sto feeders, pef, inactivated pef feeders, 0. 1 % gelatin, we can not get typical eg colonies

    （ 5 ）用不同飼養層培養pgc ，實驗結果證明pgc在新鮮製作的sto和mef ~ 1飼養層上，可以得到傳3代以上的eg集落； pgc在鋪有解凍的sto飼養層細胞、 pef或絲裂黴素c處理過的pef 、塗有0 . 1明膠的4孔板上，一直沒有得到典型的eg集落。
  15. 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
  16. Comparing frozen material with freeze - dried apple, the ice area with low grey value in the beginning became the loosen pore area with high grey value after freeze - drying

    對比凍結物料和凍干物料的灰度值曲線，可見剛開始灰度值較低的冰區，在凍干結束后變成灰度值相對較高的孔疏區。
  17. ( 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。
  18. Through manipulating the air content of mixture to control concrete frost resistance is the universal method in projects, but the study on the effect of concrete pore structure change after air entraining to the concrete frost resistance and impermeability is few, the study on the effect of mineral additive to concrete pore structure and durability is even fewer, so carry on this aspect research has significant meaning

    通過控制拌合物的含氣量來控制混凝土的抗凍融性，是目前工程中普遍採用的方法，但引氣后混凝土的孔結構變化及其對抗凍、抗滲等耐久性的影響研究較少，而無機鹽類外加劑對混凝土孔結構及其耐久性影響的研究更少，因此開展這方面的研究具有重要意義。
  19. 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。
  20. In the paper, the theory of thermal transport in porous media is used to establish the mathematical model of the development of the frozen wall considering the groundwater flow, which is used to research the effects of the groundwater flow on the formation of frozen wall with numerical method

    採用多孔介質熱運移理論建立了考慮地下水流時凍結壁發展的數學模型，可用於數值模擬研究地下水流對凍結壁形成的影響。
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