凍凝作用 的英文怎麼說

中文拼音 [dòngníngzuòyòng]
凍凝作用 英文
congelation
  • 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...
  • 凝 : 動詞1. （凝結） congeal; curdle; coagulate 2. （注意力集中） fix
  • 用 : Ⅰ動詞1 （使用） use; employ; apply 2 （多用於否定: 需要） need 3 （敬辭: 吃; 喝） eat; drink Ⅱ名...
  1. Isolation : when the measured medium is the matter that is easy to freeze, pour the isolation liquid such as glycerine, antifreezer into the connecting tube to insolate the measured medium and pressure gauge from freezing. at this time, the pressure gauge damp, isolation connecting pipe tube as an isolation vat, but it has low price and excellent function

    2隔離：被測介質為易凍易凝物質時，在接管內注入隔離液如甘油防凍液等可起到將被測介質與壓力表相隔離並防止凍凝的作用此時，壓力表減震隔離接管相當於一個隔離缸，但其價格之低功能之優是隔離缸無法比擬的。
  2. Following is the factors ideating with the surface of old concrete in different way ( including brushing surface, chiseling surface, cleaving surface ), adherence agent ( including cement slurry, cement sand slurry, cement slurry with the u expansion agent ), the freeze - thaw circulation times and air - entraining. as a result, we found that the roughness influence on the adhesion capability of the new on old concrete to a large degree. the larger rougeness is, the larger the splitting tensile strength on the adhension face is. the kind of adhesion agent is also influence on the adherence capability of new on old concrete. the circulation times of freez - thaw have a large influence on the splitting tensile strength of adherence face of new on old concrete. the analysis of tests give some advices to the practical engineering

    主要考察了老混凝土表面不同處理方式（刷毛面，鑿毛面，劈裂面） 、界面粘結劑類型（水泥凈漿，水泥砂漿， u型膨脹劑水泥漿） 、凍融循環次數等對新老混凝土粘結面劈拉強度的影響，以及凍融作用下新混凝土加氣對粘結面劈拉強度的影響。試驗結果表明，粗糙度對新老混凝土粘結性能有重要影響，隨著粘結面粗糙度的增大，粘結面劈拉強度不斷增加；界面粘結劑類型對新老混凝土粘結性能有一定影響，在凍融作用下， u型膨脹劑水泥漿粘結效果不如水泥凈漿和水泥砂漿；凍融循環對粘結面劈拉強度有較大影響，加氣能明顯改善新老混凝土粘結面的抗凍能力。
  3. This paper unfolds engineering disposition and theoretical research of negative temperature high performance concrete ( nthpc ) with the damage of many factors motivation, the project background based on qing - zang railway engineering, which is one of four - emphasized engineering during the tenth five - plan. due to the difference of environment of construction and service between nthpc and ordinary concrete, and therefore durability of nthpc is required to higher level. at a first, nthpc must avoid frozen damage at early age and possess anti - freezing property at later period, in order to meet engineering practicable application need, and this are two emphasized and difficult problems, as for nthpc ; by means of mechanism analysis about deicing - agent ingredient and anti - freezing at early period, adopting composite technique routine of mineral addition + anti - freezing element + water - reducer4 - air - entraining + anti - erosion of steel component etc, based on orthogonal experimental approach, fd - 1 composite functional admixtu re was manufactured, which has more property and orientation on qing - zang railway

    負溫混凝土由於和普通混凝土在施工環境及服役環境上存在的差異，因此表現為比普通混凝土更為較高的耐久性要求；負溫混凝土首先要避免早期的凍害以及具備長期抗凍性能，才能夠滿足工程實際應用的要求，這也是負溫混凝土必須解決的兩大技術關鍵；通過對目前常用防凍劑組分作用機理的分析研究及混凝土早期防凍機理探討，採用礦物外加劑+防凍組分+高效減水劑+引氣+阻銹組分功能復合的技術路線，通過正交試驗設計復配了適應青藏鐵路工程要求的專用多功能復合型外加劑fd - 1 ；並在此基礎上配製不同等級負溫高性能混凝土，開展一系列包括硫酸鹽侵蝕、氯離子滲透、抗凍融循環、收縮及耐磨性等耐久性能研究；通過對fd - 1組分和摻量的調整，優化負溫混凝土在施工特性、力學指標和耐久性三個方面的兼容、協調性。
  4. Experimental results of marshall remnant stability test, water susceptibility tensile strength ratio ( tsr ) test and rutting test show that graphite modified ecac possesses of high anti - water damage ability and excellent high - temperature stability, which is expected to apply as new - type pavement

    馬歇爾殘留穩定度試驗、凍融劈裂試驗和車轍試驗表明石墨導電瀝青混凝土的抗水損害能力強，高溫穩定性能良好，可作為新型路面使用。
  5. In the concrete test cubes damages under freeze thaw cycles, the theory of the frost damages is explained and freeze - thaw test is done. from test results, the thesis analyzes the main reasons of frost damages

    在凍融作用下混凝土試件的損傷部分中，首先闡述了混凝土的凍害機理，然後進行混凝土的抗凍試驗，通過試驗結果分析影響混凝土抗凍性的主要因素。
  6. The cold resistance and the water permeability resistance of the recycled coarse aggregate concrete were also test. the principle and the influencing factors of the drying shrinkage, the freeze thaw action and the water permeation action of the recycled coarse aggregate concrete were briefly narrated

    還測試了再生粗骨料混凝土的抗凍性和抗滲性，簡要敘述了再生粗骨料混凝土干縮變形、凍融作用、滲透作用的機理以及影響因素。
  7. In the project hong kong international wetland park phase ii, we take the initiative to install the first geothermal heat pump air - conditioning system and utilize the wetland around as a source of heat and a heat sink. through 468 pairs of vertical geothermal pipe heat exchanger buried in the wetland, heated water from water - cooled refrigeration plants and cool water from water source heat pump are circulated in a common condenser water loop to exchange their energy directly

    在香港國際濕地公園第二期工程項目，我們率先採用了香港首個地源熱泵空調系統，利用公園的濕地作為一個熱源及熱能儲存器，透過468對埋放在濕地的直立式水管熱交換器，將水冷式空調系統的受熱冷凝水與地泵的凍水直接交換熱能。
  8. Followed this purpose, the paper used the orthogonal design method, combined the materials and the mathematical statistics knowledge, analyzed the range of intensity and anti - frozen as well as action mechanism contrastively under the single factor function and the multi - factors correlation. proposed that when we mixed two or more extra materials into concrete, we cann ’ t purely increase the quantity of the one to enhance some concrete ’ s performances, which guided by the single factor function. on the contrary, we determined the quantity of this kind of extra material must by the conclusion of specific experiment under the multi - factors correlation

    圍繞這個目的，論文採用正交設計方法，結合材料學和數理統計學知識，對單因素作用下和多因素交互作用下混凝土強度及抗凍性的變化幅度及作用機理進行了對比分析，提出在混凝土中摻入兩種或兩種以上外摻料時，不能單純以單因素作用下的實驗結果作為指導，用提高某一種外摻料的摻量來改變混凝土的某項性能時，必須以具體試驗得出的結論來判定該種外摻料的用量。
  9. Through the bonding tests and the theory analysis between the advanced composite glass sheets and the concrete under the general load - carrying condition, the iterative load - carrying condition, the freeze - thaw action, and the defective bonding, the calculative model has been established, and the numerical value of fibre sheet strain under different load - carrying has been confirmed. the bond strength calculative expressions for the concrete bonded with glass fibre sheet under the pull - shear and the bend load - carrying conditions have been established. the author put forward the decreasing coefficient and the calculative expressions for the influence of reinforce effect by the non - effective area and the calculative expressions for the influence of the freeze - thaw action on the carrying capacity of the concrete beams

    本文採用美國泰扶高強復合玻璃纖維布以及與之性能相當、由南京玻璃纖維研究院自行研製開發的egfw430型玻璃纖維布兩種材料，通過在靜載、重復荷載、凍融及有缺陷粘結條件下的高強玻璃纖維布與混凝土粘結性能的試驗研究與理論分析，建立了玻璃纖維布-混凝土的粘結計算模型，明確了不同受力狀態下纖維布應變的設計取值，提出了玻璃纖維布-混凝土抗剪粘結強度的計算公式;確定了考慮非有效粘貼面積對加固效果影響的折減系數;給出了凍融循環次數引起承載力下降的插值計算方法;並驗證了重復荷載作用下玻璃纖維布與混凝土良好的粘結性能。
  10. 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。
  11. Used to make gels by absorbing fluids to form gel - like texture. can be used to make facial gels and serums. origins : japan. suggested usage : ~ 4 % - 8 %

    又稱為凝膠形成劑，這是一種高分子聚水物，可結合水分形成果凍狀的膠質。可用作製作凝膠、精華素。產地：日本。建議使用量： ~ 4 % - 8 % 。
  12. Two - addition technique of flying ash and silica fume can meliorate durability of concrete ; air - entraining admixture possesses anti - freezing, descending ice point, and improving workability, and thereof it should be used in concrete. but controlling its dosage is very important to avoid strength loss

    發現粉煤灰和硅灰的雙摻技術能夠顯著改善混凝土的耐久性能，引氣劑具備防凍抗凍、抗滲及提高負溫混凝土工作性的優點，在負溫混凝土中應該加大使用范圍，但必須控制其摻量，確保強度損失較小。
  13. But during the caring age, if the concrete do n ' t experience the low temperature action of frost - resisting critical strength, its strength will decrease

    但若混凝土在養護期內沒有達到抗凍臨界強度受到低溫作用，其強度將降低。
  14. 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。
  15. The reinforced concrete structures in the relevant projects in the western china are to be damaged from the erosion of salt ions with high concentration and the multi - action of both the freeze - thaw and the dry - wet cycles, and then the normal concrete therein is often heavily damaged from the superimposed effect of all these damages

    摘要在我國西部地區工程中鋼筋混凝土建築物要經受高濃度鹽離子侵蝕、凍融和干濕交替的多重作用的破壞，會表現出損傷超疊加效應，使普通混凝土在短期內即遭嚴重破壞。
  16. The vacuum pump is used to provide a vacuum environment for the freezing - drying cabinet and the condensers so as to enable the moisture in the materials to sublimate in the vacuum

    真空泵的作用是給凍干箱和冷凝器提供一個真空環境，使物料的水份可以在真空下進行升華。
  17. The paper designs some teams of different mix proportion concrete according to the different replacement of the recycled aggregates and fly ash, and researches their working properties and mechanical properties, and analyses influence factors of the working properties and the mechanical properties of the recycled concrete such as the replacement rate of recycled aggregates, the replacement amount of fly ash, surface treatment of recycled aggregates, adding the high range water reducing agents and mineral admixture, etc. the paper researches the durability of recycled concrete as to the sulphate - corrosion resistance, the permeability resistance, the frost - resistance, etc. and analyzes some factors, as to the replacement of recycled aggregates, the replacement of fly ash, the surface treatment of recycled aggregates, adding high range water reducing agent and mineral admixture, bring the influence to the properties of recycled concrete, and analyzes the economic feasibility of the application of the recycled concrete

    本文根據再生骨料和粉煤灰的不同取代率設計了幾組不同配合比的再生混凝土，對其工作性能和力學性能進行了研究，分析了再生骨料的取代率、粉煤灰的取代量、表面處理再生骨料及摻加高效減水劑和礦物外加劑等因素對再生混凝土的工作性能和力學性能的影響。本文根據配製的再生混凝土對其抗硫酸鹽侵蝕性能、抗滲性、抗凍性等耐久性進行了研究，分析了再生骨料的取代率、粉煤灰的取代量、表面處理再生骨料及摻加高效減水劑和礦物外加劑等因素對再生混凝土的這些性能的影響。並對再生混凝土的應用進行了經濟可行性分析，為再生骨科和再生混凝土的應用提供了有利的支持。
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