防凍性 的英文怎麼說
中文拼音 [fángdòngxìng]
防凍性
英文
winter resistance-
Standard test method for scaling resistance of concrete surfaces exposed to deicing chemicals
暴露于防凍化學藥品的混凝土表面抗蝕刻性的標準試驗方法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。Thermal performance of buildings - thermal design of foundations to avoid frost heave
建築物的熱性能.地基防凍脹的熱設計The calcium products, a variety of elements nitrogen, which is necessary for some nutrients seedling growth can induce root growth seedling vigor, flower, bao lei, 4. 2 peach, rapid calcium, nitrogen and other trace elements that can prevent root blight, fusarium wilt, leaf, blight of rot. weak seedling bud abortion, a potent rotten peach can enhance seedling drought and frost - proof, anti premature senility, anti - std calciprivia plant capacity promotion developed root seedlings seedlings healthy and steady early, squaring focus block chu high boll early, rapid expansion of peach, peach increased weight gain., 1999 chang, the color white lint high, up to 25 to 35 % yield
本產品含鈣、氮多種元素，是棉苗生長所必需有的養份，能促使棉苗根部生長旺盛，保花、保蕾、膨桃，能快速補鈣、氮等微量元素，可預防根枯病、枯萎病、小葉病、立枯病，對爛根、弱苗、花蕾敗育，爛桃有特效，能提高棉苗抗旱、防凍、抗早衰、抗植物缺鈣性病能力，促進根系發達、苗壯苗健、穩長早發、現蕾集中、座鈴率高、成鈴早、膨桃快、桃增大增重、吐絮暢、色澤白、衣分高，增產可達25 - 35 % 。Fuhong class a inorganic dampproof fireproof board adopt natural minerals, featuring good performance in water, sunshine, acid rain, and frosted condition, its lifespan can last as long as more than 20 years, it keeps room warmer in winter and cooler in summer, damp - resistant, wet - resistant, it is applicable to island climate, and wont generate halogenation like ordinary fireproof board
福宏a級無機防潮防火板：為天然礦物研製而成，具備了礦物應有的特性，長期水浸日曬酸雨寒凍也不脫層變質或腐蝕，使用壽命更可達20年以上且冬暖夏涼，又能抗濕抗潮，更能適合海島型氣候，絕不會有一般防火板材的反鹵現象。Application of posterior canal wall reconstruction and mastoid obliteration
季節性凍土地區襯砌渠道的防凍措施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。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。Abstract : based on the fundamental principle of hypothesis strain equivalence, itwas investigated a physical concept of high strength concrete at minus temperature ( hscmt ) freezing damage parameter, the elastic modulus of frost concrete with anti freeziug admixture and without antifreezing admixture built and it was analyzed their variate process and the condition adaptated. it is purpose to judge hscmt frost failure process
文摘:從應變等效性假說的基本原理出發，研究了負溫混凝土凍結損傷參數? ?彈性模量法中受凍后測試的損傷混凝土彈性模量的物理概念，從而分析了摻防凍劑混凝土及不摻防凍劑混凝土受凍后的彈性模量變化過程及其選用該參數的適應性條件，為判斷負溫高強混凝土材料凍結失效過程提供保證。" now we understand how it works we can use this knowledge for crop improvement, for frost and cold tolerance, " said the researcher
目前，研究人員已經弄清楚了這種基因的防凍原理，因此可用這一知識對農作物加以改良，提高抗霜凍性和耐寒性。The valve can prevent freezing ， suitable in cold area
具有防凍性能，適用於寒冷地區。We built a test road and after one year, we used surface wave exploration to test. the result is that the repaired layer felt old road well and have no empty spot. we used the pendulum friction tested and the results are the wear - resisting property is better than cement concrete pavement and pendulum friction is higher than cement concrete pavement
此種材料同原有水泥混凝土路面的粘結性能強，強度上升快，韌性大，抗凍性好，防水抗滲；通過試驗路運營一年多的檢測結果表明：通過面波儀測定修補層與原路面粘結良好，沒有脫空點；利用擺式摩擦儀測定其耐摩耗性能優于原水泥混凝土路面。Experiment on performance of air - cooled heat pump chiller in anti - freezing
風冷熱泵冷熱水機組防凍性能實驗研究Fenglian environment - friendly white emulsion is the key quality - reliable brand of china environmental protection products for its high adhesion and freeze - proof performance
本廠生產的鳳聯牌環保白色乳膠，環保性強、粘合強度高、防凍性能好，是中國環保產品質量信得過重點品牌。Products and systems for the protection and repair of concrete structures - test methods - determination of thermal compatibility - part 1 : freeze - thaw cycling with de - icing salt immersion
混凝土結構的防護和維修用產品和系統.試驗方法.測定熱容性.第1部分:解凍.浸入防凍鹽融雪Bituminous mixtures - test methods for hot mix asphalt - resistance to de - icing fluids
瀝青混合物.熱混合瀝青的試驗方法.耐防凍液性能Performance requirements for vacuum breaker wall hydrant, freeze resistant automatic draining type
防凍自動排水型真空開關墻壁消防栓性能要求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。The study consists of construction technologies of rock - fill filling of concrete facing rock - fill dam in negative temperature condition, manufacture and fill of cushion layger, exceedingly frost - resisting property of concrete facing and the protection of concrete facing in winter etc. these technologies have been come up to advanced domestic standards and some gaps in the fields of same technology has been filled in
這些技術包括砼面板堆石壩在負溫條件下壩體堆石填築及墊層料的制備與填築技術、高抗凍性面板砼技術、面板砼的越冬防護技術等。The scientists implanted the " ice recrystallisation inhibition gene " into a host plant in australia and replicated the anti - freeze properties
科學家們將這「抑製冰再結晶基因」導入澳大利亞的一種本土植物體內，於是這種植物也具備了防凍特性。分享友人