凍害的 的英文怎麼說
中文拼音 [dònghàide]
凍害的
英文
winterkilling-
Abiotic stresses such as drought, salt, cold and freezing exert severe influences on growth and development of plant
乾旱、鹽堿、低溫和凍害等非生物逆境嚴重影響了植物的生長和發育。A lot of crops were damaged by the frost.
這次霜凍,受害的莊稼不少。The author also studies this crime, the crime for interference with public affairs, disposing illegally, seizure, detention and frozen assets. the third is how to separate one from several crimes
作者將本罪與妨害公務罪,非法處置查封、扣押、凍結的財產罪進行了比較;第三、一罪與數罪的界限。They have raised all kinds of engineering steps on roadbed against frozen disaster, for example, adopting the reasonable height of roadbed, building ventilative embankment, setting up the defense, burying hot metal stick, making use of stone to protect slope and laying thermal insulation and heat insulation material etc, laying eps is one of these special steps
針對路基凍害問題,人們對路基凍脹、融沉和溫度場特徵進行了廣泛研究,提出了各種路基抗凍害的工程措施,如選用採用合理的路堤高度,修築通風路堤,設置護道,埋設熱棒,利用片石護坡和鋪設保溫隔熱材料等特殊工程措施。The slity soil has the greatest frost heave strength in all of soil and the aerolian sandy soil belongs to it, so it is necessary to the study on frost heave mechanics of aeolian sandy soil and measure of prevent frost heave in railway construction
風積砂土屬于粉質土,而粉質土的凍脹強度是最大的,因而對風積砂土的凍脹性及其對鐵路危害的研究是非常有必要的。Court decisions and the discharge of some of these orders in favour of the victims ( hk $ 38 millions ) or for other reasons has left a total of hk $ 96 millions still under restraint. confiscation orders in respect of hk $ 10. 3 millions in cash and other assets have been made of which hk $ 1. 23 millions have so far been received by government
基於法庭的判決,或其中一些命令被撤銷而需將款項交還受害人(港幣380萬元)或其他原因,被凍結的資產尚有港幣九仟六佰萬元。法庭已下令充公港幣一仟零三十萬元現金及其他資產,其中港幣一佰二十三萬元已由政府接收。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。The frozen damage of slab - foundation of channel irrigation structures in the northeast of china is the most serious and includes the general characteristics of frozen damage of the channel irrigation structures
我國凍土分佈面積極為廣闊,雖然東北地區渠系水工建築物的板基凍害最為嚴重,但也是其它地區的共性問題。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。Landforms, soil, climate and characteristics of distribution in time and space in ningxia of draughts, disasters caused by wind and sand, floods and waterlodgging caused by hail, frost injury and earthquakes. the eighth chapter is on the relationships of environmental changing and the development of the agriculture and livestock husbandry in ningxia autonomous region which covers two sections : namely the historical processes of the human activities and the changing of the forests in ningxia, and the human activities and spreading of the deserts. the ninth chapter is a chapter that studies the regional divergence of the productivity level and the experiences and lessons of the development of agriculture and livestock husbandry
下篇是寧夏農牧業發展等因素與環境變遷的關系,這又包括三章:第七章是農牧業發展的自然條件,即地貌、土壤、氣候,以及歷史時期寧夏旱災、風沙災害、水澇災害、雹災、霜凍災害、地震災害的時空分佈特徵;第八章是寧夏農牧業發展等因素與環境變遷的關系,這包括人類活動與寧夏森林的變遷、人類活動與寧夏土地沙漠化的歷史演進兩部分;第九章是寧夏南、北農牧業生產力水平的地區差異及農牧業開發的經驗教訓。Study on the regular pattern of vertical distribution of freezing injury on the tree canopy of owari satsuma
尾張溫州蜜柑樹冠凍害的垂直分佈規律研究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。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。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。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。Based on the investigation of freezing calamities of expressway in jilin province, dealing with the researching result of laboratory test by graduate student of jilin university construction engineering school, we give the stage summary of the research of season ' s frost swelling
摘要在整理吉林省近年高速公路凍害調查相關資料的基礎上,結合吉林大學建設工程學院室內的研究成果,對吉林省內高速公路的凍脹因素、路基凍害及法向凍脹力進行了綜合分析,並對其季節凍脹規律性研究做出了階段性綜述總結。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。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Main factors impact on frozen - damage of concrete are water, temperature and pore structure
影響混凝土凍害的主要因素是水、溫度和孔結構。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