防凍害 的英文怎麼說
中文拼音 [fángdònghài]
防凍害
英文
frost damage prevention-
By the phenomenon came from critical sand - gravel granular mixtures slope experiment, the falling causation, form, scale, and preventing principal in sliding - sand slope were discussed. the causation can be drawn : the slope received sands from the slope top continuously ; non - uniform degree and granular size in strong weathering environment may be changing ; and the restrain in slope foot was weakened. these factors, cause the fal
結合乾燥沙石臨界單面坡實驗現象觀察，對溜砂坡災害的產生原因、崩塌特性及防治原則進行了討論，提出溜砂坡崩塌的三個主要成因：寒凍風化引起上部沙粒來源的持續不斷；坡面的風化作用使顆粒進一步均勻、細化，造成原來處于亞臨界而穩定的坡面達到臨界而容易失穩；坡腳對牽引式崩塌的制衡作用削弱，易受坡腳干擾而誘發。Prevention method and freezing damage of hydraulic structures at season freezing soil irrigation areas
季節凍土區灌區水工建築物凍害破壞原因及防治措施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。Frost injury on cement concrete road surface and the prevention measures in gobi desert, northwest areas
西北戈壁灘地區水泥混凝土道面凍害及防止對策China news agency, changsha, march 4 ( reporter xiao qianhui ) - frozen by the impact of disasters, hunan forest zone fuel substantial increase in forest fire prevention infrastructure severely damaged, with the rise of temperature, forest fires and personnel casualties continue
中新社長沙三月四日電（記者肖前輝）受冰凍災害影響，湖南省林區內可燃物大幅增加，森林防火基礎設施受損嚴重，隨著氣溫回升，森林火災和人員傷亡事故不斷。Cause and regulation measures of frost damage for hydraulic structure
水工建築物凍害成因與防治措施The unique formula is highly compatible with skin, can provide deeper moisturizing into the basal skin layer, effectively improve the skin metabolism, activate skin tissues and cells, isolate sunshine and polluted air durably, effectively deactivate tyrosinase, inhibit the generation of color spots, mildly remove skin ' s dry and fine lines, deeply whiten and care skin, leave skin tender and elegant again
能迅速滲透，軟化角質層，保護手足肌膚，柔嫩潤澤，防止肌膚乾燥、凍瘡、粗糙等現象?生，與肌膚有更高的親和性，滋養達致皮膚基底層，有效改善肌膚的新陳代謝，活化皮膚組織的細胞，持久阻隔陽光輻射和污染空氣的侵害，有效抑制酪胺酸酶的活性，抵禦色斑素的形成，溫和平復皮膚干紋、幼紋、深層潤白呵護，令肌膚再現嫩麗可人的神采。Results showed that the temperature distribution of the traditional embankment was asymmetrical ; the asymmetrical status was changed after ripped - rock revetment was installed and the soil under the ripped - rock was cooled obviously ; the ripped - rock revetment could cool embankment and adjust the temperature difference between the north - facing slope and the south - facing slope ; the ripped - rock revetment was an available technique to protect embankment from thawing settlement and longitudinal cracks in permafrost regions
結果表明：普通路基的陰陽坡兩側溫度分佈極不對稱；鋪設拋石護坡后，這種狀況得到了很大改善，並且拋石護坡下土體溫度明顯降低；拋石護坡能夠降低路基溫度和調節路基陰陽坡的溫度差異；拋石護坡是多年凍土區防治路基融沉和縱向裂縫病害的一種可行措施。This research is one part of a great scientific research project, which is supported by national ministry of water resources and electric power of china, the people ' s government of heilongjiang province and the water conservancy department of heilongjiang province
在凍害防治技術方面，具有重要的理論價值和現實指導意義。本研究是根據水電部、黑龍江省人民政府、黑龍江省水利廳批準的重大科研項目立題研究的。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。In permafrost areas, thaw - settlement problem is the main content for the frozen harmfulness study ; in the seasonally frozen soil areas, frozen expansion problem is considered most in order to prevent and father the frozen harmfulness for the groundwork, the thaw - settlement index is thought little relatively, but it has been investigated from the data of frozen harmfulness, the thaw - settlement behavior still has an active effect on the construction stability in the seasonally frozen soil areas
在多年凍土區，融沉問題是凍害研究的主要內容;在季節凍土地區，為了防治地基凍害問題，考慮最多的往往是凍脹問題，對融沉指標一般考慮的比較少，但是根據調查凍害資料來看，融沉性在季節凍土地區的建築物穩定性方面的應用仍然具有積極的意義。In order to find out the mechanism of the soil strength weakening during the period of thawing and the effective prevention measures, some adjustment was made on the traditional triaxial apparatus, together with special frozen soil samples preparation equipment, customized frozen soil samples thawing apparatus and external heat preservation facilities, a new apparatus for investigating the weakening characteristic of frozen soil was made successfully
為探明路基土融化過程中的強度弱化機理，在此基礎上制定有效的凍害預防措施，對國產土工靜力三軸儀進行了一系列改造，並配以專用的凍土試樣制備設備、凍土試樣融化加熱設備和外部保溫設施，共同製成凍土解凍時的強度弱化試驗儀。On the countermeasures against road frost boil and heave in the seasonal frozen region
季節性冰凍地區公路凍害的防治對策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。Analysis is made on the formation of the frost injury and given the countermeasures
本文分析了凍害形成的原因，提出了凍害防治措施。In order to prevent the distresses from appearing, the paper studies the design principle of the subgrade, the proper height of the subgrade, preventing methods of the distress for the special subgrade and the repair ing methods of the distress for the destroyed subgrade. in addition, the experiment roads is built and analyzed
為了防治這些病害，從根本上杜絕其再次發生，本文研究了多年凍土地區路基的設計原則、合理高度和特殊路段整治措施，對已有病害，則提出了相應的處治對策，並修築實體工程進行了驗證與分析。Damage of railway subgrade in seasonal frost regions and curing measures
季節性凍土地區鐵路路基凍害及防治措施研究Application of polyphenyl insulating plate for frost protection of hydraulic project foundation
聚苯保溫板在水利工程基礎預防凍害中的應用Many year frozen earth area heave harm and the preventing and controlling measure
多年凍土區凍脹的危害與防治措施After optimize the implantation parameters, we set up the experiment system implanting calluses and seedlings
對凍害的防護問題進行研究並建立了離子注入愈傷組織和幼苗的實驗體系。分享友人