膨脹區 的英文怎麼說
中文拼音 [péngzhàngqū]
膨脹區
英文
expansion arc-
The water, which is the source of life, has a close relation with the growing of the human beings and the development of the city. the shore of river, ocean and lake is the cradle of humankind civilization. there is the original city in drainage areas of some rivers. the waterfront which has internal permanent attraction for humankind is the most sensitive area in urban environment and culture. however, at present days of the industrial civilization, with accelerating of urbanization and fastly enlarging of city size, some problems, such as the pollution of the environment, the lack of resource, the expanding of population, the traffic confusion, the unbalance of culture and the ecosphere crisis, have arised. these problems have badly influnced the development of urban waterfront. the whole world has know the importance of ecosphere crisis and the protection of environment but, how to treat the urban waterfront which is the typical environment of human living ? this article try to study the protection and utilization of resource, the development of economy and culture and the shaping of space landscape about the urban waterfront with the aspect of sustainablity development
但是在工業文明日益發達的今天,隨著城市化進程的加快和城市規模的飛速擴大所帶來的環境污染、資源衰竭、人口膨脹、交通混亂、文化失衡和生態危機等問題,嚴重地影響了城市濱水區的發展。生態危機和環境保護已經引起了全球的重視,而城市濱水區作為人類聚居的一個典型環境,該何去何從呢?本文試圖以生態學理論為基礎,用可持續發展的觀點從生態持續、經濟持續和社會文化持續等幾個方面對城市濱水區的資源保護和利用、經濟、文化的發展和空間景觀的塑造進行研究。Theory predicts that you ' d have to go out hundreds of millions of light - years, where matter is spread randomly rather than finely structured, before the overall expansion should outgun localized motions
理論預測,在整體膨脹的效應大於區域空間的局部運動之前,我們便已經到達數十億光年以外的地方,在那裡,物質並未形成緊密的結構,而是隨意四散。Method for subgrade construction in expansive soil area
膨脹土地區路基施工的方法This paper develops a deterministic inventory model for perishable items with a mixture of back orders and lost sales under inflation and time discounting, where the backlogged demand rate is dependent on the negative inventory level during the stock out period. the main differences from the existing related models are that the present model takes the maximum present value of profit in a repeatable order cycle as the objective function and proposes a more practical constraint of maximum customer - waiting time to ensure a proper customer service level. then the existence and the uniqueness of the solution to relevant systems are examined and a solution algorithm is shown to find the optimal replenishment policy. at last, some numerical examples are presented to illustrate the applicatioh of the model
本文建立了一種考慮通貨膨脹與時間價值的變質性物品的庫存模型,在模型中允許短缺發生且拖后的需求速率與在缺貨期間已經發生的缺貨量有關.和已有相關模型的主要區別在於本模型把一個可重復的訂貨周期內的最大平均利潤的凈現值作為目標函數,且增加了在缺貨期間最長顧客等待時間的限制,以確保庫存系統擁有較高的服務水平.然後討論了模型最優解的存在性與唯一性,並提供了尋求模型整體最優解的演算法.最後用實例說明了此模型在實際中的應用Uc h ii regions and are undergoing outflowing motions, which might be produced either by the expansion of the recently formed h ii region or by the presence of molecular outflows
這種運動可能由新形成的hii區膨脹形成或者由已經存在的分子外流驅動。我們對ngc7538irs1的氨分子vla觀測數據重新進行了處理,分析了其動力學結構。The crystalline structure changes of pp induced by pan - milling were characterized by x - ray diffraction and raman spectroscopy. xrd analyses show that when pp was co - milled with uhmwpe, crystal transformation of pp occurred, its crystallinity and crystallite size decreased, whereas, only slight reduction of crystallinity and crystallite size were observed and no crystal transformation was found when pp was co - milled with wtr chips, and amorphization of pp was strongly enhanced by co - milling pp with iron
採用x -射線衍射研究了聚丙烯碾磨粉碎過程微觀結構變化, uhmwpe存在下pp發生晶型轉變、結晶度降低和晶粒尺寸減小;彈性材料wtr抑制pp塑性變形,碾磨導致分子堆積有序區域膨脹,晶面間距增大,結晶度下降;剛性材料金屬鐵與pp產生強烈摩擦,加快晶粒細化,晶格破裂導致非晶化。In the dam foundation restraint area, mgo can be mixed into concrete to prevent dam longitudinal crack. research on autogenous volume change of rcc mixed with mgo, and research on thermal stress compensation of darn foundation prove that rcc mixed with mgo plays a role in dam crack control
在材料措施方面,深入研究高碾壓混凝土壩基礎約束區採用外摻mgo措施,利用其微膨脹性能補償壩體降溫過程中產生的溫度應力,以防止大壩縱向裂縫的發生。The results indicated that, the fabrication process of ultra - fine grain material is mainly determined by the stress, rotate speed and the flux of cooling water. the grain refining and the hardening effect are mostly affected by the rotate speed and the flux of cooling water. compared with commercial ly12, the invalidate strength and the prolongation rate of the ultra - fine grain material are properly improved in the measurement of compression property ; and the abrupt change of the dilatability of the ultra - fine grain material at 500c is found ; also the phenomena of which the grain size of these microstructures is stable when annealed under 300c is observed
研究表明,採用本文提出的摩擦壓扭強變形區轉移法可以得到棒狀的超細晶材料,軸向壓力、扭轉速度和溫度是採用該方法制備超細晶材料的主控參數;試件的旋轉轉速和冷卻速度對變形區晶粒細化和硬化效果影響顯著;超細晶ly12的壓縮性能與淬火+自然時效狀態的ly12壓縮性能相比,斷裂強度和延伸率均有一定程度的增強;超細晶ly12的熱膨脹系數在550左右發生明顯的變化。In the nibco design stop - checks, you will note that the disc is mounted to permit the disc to settle into the seat area for positive sealing in case there is any misalignment due to assembly or uneven heat expansion
從美國尼伯科的截止止回閥結構設計中,人們可能會注意到,萬一出現由於組裝問題或不穩定的熱膨脹導致的中心線錯位,所安裝的閥瓣能夠適應閥座區域的要求主動調整密封。The pore of schsc is smaller and more homogeneous than that of nhsc. fourth, the contribution to concrete microstructure of the expanding agent is very little at early ages ; however it is obvious at late ages to a certain extent. fifth, for the contribution of the mixing content of fly ash is that the contribution to the degree of early age concrete hydration is obvious to some extent, and that the contribution to the shape of hydrate of concrete is obvious
實驗研究表明:自密實混凝土由於粉煤灰的摻量較高,其早期的水化程度較低,但後期其細觀結構較普通混凝土好;自密實混凝土的骨料界面過渡區與水泥石的差別始終較普通混凝土小,其孔隙較普通混凝土小而均勻;膨脹劑對自密實混凝土早期的細觀結構影響不大,但對後期的細觀結構有一定影響;粉煤灰摻量對自密實混凝土的早期水化程度有一定影響,且其對自密實混凝土水化物的形態影響較大。This paper has come to some comprehensive conclusions on the basis of the practical use of this double - index evaluation method in the slope of pishihang channel. a calculating program for the double - index evaluation method is compiled to raise the calculating efficiency. the reinforce measures that adopt the new thesis of renewing stress and the expansive anchor are presented
本文針對淠河總乾渠(城區段)邊坡這一實際工程引入了安全系數和可靠度相結合的雙重指標體系分析方法進行穩定分析,得出了較為全面的結論;在雙重指標體系分析方法的基礎上編制了計算程序,提高了計算效率;應用應力重塑新思想及其配套實施手段?膨脹錨提出了初步的邊坡加固解決措施。In the case of solids and liquids which have very small coefficients of thermal expansion, this distinction has no practical importance.
至於固體和液體,由於它們的熱膨脹系數很小,上述區別便沒有實際價值。Problems of inflation, competition from new producing areas, fuel scarcities, and changes in social mores make it difficult to determine one's best alternative.
通貨膨脹,新生產區崛起競爭,燃料短缺,社會習俗變化,這一切使人們難以做出最好的選擇。Through threshold transforming, dilation and area labeling of the source image which, input into computer by scanner, contains the information of the whole spinneret, the system can compute locations of every micro - hole. then the pickup camera equipped with microscope is moved on every micro - hole driven by step - by - step motors. the image of the micro - hole is captured to the computer after auto - focusing
該系統經過對掃描儀掃入的整塊的噴絲板圖像進行閾值處理、圖像膨脹、區域標記等圖像處理的手段分析出各個微孔的分佈情況,然後用步進電機驅動加有高倍顯微鏡的攝像頭自動搜尋到每個微孔,對微孔自動的聚好焦后,採集微孔圖像。Because euler equations have disconnected solutions named shock wave in numerical simulation flow field, and to make sure the disconnected solutions not expanding or vanishing among parallel computation sub - domains, there must be certain connections in the numerical value variable among the sub - domains
由於在歐拉方程數值模擬求解流場區域內存在間斷解即激波,而計算流體力學并行數值計算是在分區的基礎上進行的,為了使流場區域內的間斷解不因分區并行計算而膨脹或消失,分區之間的數值變量必然存在著一定的聯系。Since 1950s, changjiang water resources commission as well as other scientific research units have carried out engineering geological reconnaissance for large - scale cross structures and the whole route, meantime, researched special subjects, such as special soils ( expansive soil, loess ), the canal section in coal mining area, regional structure stability, sandy soil liquefaction etc
自20世紀50年代迄今,長江水利委員會及其它科研設計單位對中線工程全線及大型交叉建築物進行了工程地質勘察,同時對特殊類土(膨脹土、黃土) 、渠線過煤礦區、區域構造穩定性、砂土液化等專題進行了研究。A discussion on the construction foundation design and ground treatment of expansive soil areas
膨脹土地區公路工程構造物基礎設計及地基處理Meanwhile, national splittist forces, religious extremists and international terrorist forces ( or " three forces " in short ) expand quickly, aiming at overthrowing the regime of five countries in this region in the name of nationality and religion. the terrorist activities they made have very bad influences to the security of central - asia and northwestern china
與此同時,中亞五國的民族分裂勢力、宗教極端勢力和國際恐怖勢力(即「三股勢力」 )迅速膨脹並頻頻滋事,其以推翻中亞各國世俗政權為目的,以民族、宗教為旗幟,大搞恐怖活動,對中亞地區安全造成強烈沖擊,並進而影響我國西北地區的安全與穩定。In the cold geotechnical engineering, when the rock containing a mount of water was frozen, the inner water swells, and the freezing swollen force is emerged, in turn the rock became a multi damage material containing water, ice, air, rock
在寒區巖土工程中,巖體中含有一定量的水,凍結后,水冰相變體積膨脹,產生巨大的凍脹力,巖體成為水、冰、巖,氣的多相損傷介質。According to the jet theory and the characteristics of the flow, the flow can be divided into 6 zones : supersonic core zone, supersonic mixing zone, subsonic mixing zone, secondary flow zone and expanding zone. the rules to distinguish these zones were established. 2
根據射流理論及引射流動特點,將引射流場結構劃分為超聲速核心區、超聲速混合區、亞聲速混合區、支板背壁迴流區、二次流流動區以及發動機後部膨脹區,並確定了各區域準確劃分的原則。分享友人