面積縮減 的英文怎麼說
中文拼音 [miànjīsuōjiǎn]
面積縮減
英文
reduction in area-
The calculated result from an example shows that the stable sectional area reduces with the increase of working head, or the decrease of the tailrace tunnel length
計算結果表明,尾水調壓室斷面面積隨水輪機工作水頭的增大或尾水洞長度的縮短而減小。According to the contrast between different maps and the dynamical conditions, the area of bohe lagoon had reduced by 45. 3 % from 1932 to 2000 and human activities in the coastal zone, such as inning, sand dredging and aquiculture, have brought great effects on the coastal system, which has accelerated the barrier erosion and lagoon evolvement
通過對比分析, 1932 ~ 2000年,博賀?湖面積減少45 . 3 % ,人類活動已成為影響該區海岸演變的主導因素;灘塗圍墾、海岸采沙與水產養殖等人類活動加劇了沙壩海岸的侵蝕後退,且使得?湖面積迅速減少,不斷淤淺萎縮,大大加快了海岸體系的演化進程。When catchment area, average channel gradient and catchment shape factor of designed culvert or bridge are known, a user can be convenient to get local parameters c, e and b from standard contour charts and easy to calculate flood flow just by a calculator. design period of flood flow is enormously shortened as well as a high precision. estimated flood flow through culvert or small bridge by new calculation model is generally less than by traditional methods, so that much cost is cut down a s reducing the span of culvert or small bridge
以75000km ~ 2的川中丘陵地區為試點研究區,繪制了該地區新模型的參數等值線圖,率定了不同設計頻率的改正系數,使設計者只需在地形圖上獲取集水面積,河道平均坡降和流域形狀系數,在參數等值線圖上查得橋涵所在地的相應參數,使用計算器即可迅速計算出設計流量,大大縮短了設計周期,且精度較高,設計的洪水流量一般低於傳統方法,從而可減小橋涵跨徑,節省投資。The fall in china ' s grain harvest is due largely to a shrinkage of the grain harvested area from 90 million hectares in 1998 to 76 million hectares in 2003
中國糧食收獲量的下降,最大的原因是糧食收獲面積從1998年的9000萬公頃縮減到2003年的7600萬公頃。Multiple debridements and later stsg were done to the left thigh to minimize the possibility of infection
病人在接受數次清瘡及補皮先把傷口面積縮小減少感染機會后,再把傷口關起來。Each year the earth ' s forest cover shrinks by 16 million hectares ( 40 million acres ), with most of the loss occurring in tropical forests, where levels of biodiversity are high
地球上的森林覆蓋面積正在以每年1600萬公頃的速度縮減,其中損失最多的是熱帶雨林,而這里的生物多樣性是最豐富的。Through the research of the tension in vivo, the immediate retraction rate and histology examination about the different ways and different maintaining, we get : the increase area of the rapid and conventional expansion has little difference with the expanded time ; however it has significant difference with the maintaining time. it shows that shortening the expanded time is feasible in clinic, but shortening the maintaining time is out of the question ; after the capsule is removed, immediate retraction rate of the expanded skin notably decreased, significantly different from those with intact capsule ; the collagen content of the rapid expansion is just the same as the conventional expansion, but the changes of the histology dependences on the maintaining time. comparison with conventional expansion, rapid expansion has no significant drawback ; maintaining a period after expansion can greatly increase the area of expanded skin and reduce immediate retraction
通過對不同擴張期、不同方式和不同維持期對擴張皮膚的在體張力、即時回縮和皮膚組織學的研究,得到:快速擴張和常規擴張最後獲取的皮瓣,面北京工業大學工學博士學位論文一積增加差別不大;擴張皮膚的面積增加和張力下降與維持期的長短有關;而與擴張期的長短關系不大,說明在皮膚擴張術中可以縮短注水時間,但是維持時間不能縮短;擴張皮膚去除包膜后的即時回縮率下降,與未去除包膜的相比較有明顯差異;快速擴張皮膚的膠原含量變化與常規擴張的基本一致,擴張皮膚的組織學變化與維持期的關系較為密切,與擴張方式關系不大;快速擴張和常規擴張相比,快速擴張沒有明顯的破壞作用;擴張結束后,維持一段時間,能有效的提高擴張面積且能有效地減少回縮。With an analysis of the influence of service frequency, the cars organization on the available length of the platform, and the influence of the station, the circumstance control system, as well as the equipment on the scales of station, the author agrues that the station scale shall be reduced by way of increasing the service frequency, cutting down the length of the platform, compressing the structural height of the station, so as to reach the goal of rational distribution of the auxiliary establishments
摘要通過分析發車頻率及列車編組對站臺有效長度的影響,以及車站結構型式、環控系統制式的選取和車站設施的布置對于車站面積的影響,初步探討了縮小車站規模的方法和途徑:提高發車頻率,以縮短站臺有效長度;選擇合理的車站層數來壓縮車站的高度;從環控系統的選取以及各種設施用房的合理布置上來減少車站用房面積。The area devoted to fish ponds has gradually declined with the increasing urbanisation of the new territories
隨著新界地區日漸都市化,魚塘面積逐漸縮減。Hectares, most of which are located in the north - west new territories where they form part of the wetland system of conservation interest. the area devoted to fish ponds has gradually declined with the increasing urbanisation of the new territories
公頃,主要集中在新界西北部,成為具存護價值的濕地系統的一部分。隨新界地區日漸都市化,魚塘面積逐漸縮減。This research is does using the glass fiber for the hillside makes up the strong strengthened material, mixes in the bolivian filament in the different hillside slope, the change hillside place intensity, improves regarding is easy to have the earth stone to flow local the hillside to give strengthens, with reduces the earth stone to cave in the after scope area, in has the after destruction regarding guard earth shi liu and the earth stone class to reduce to is smallest, after the process experiment data knew, mixes in bolivia truly to be allowed to strengthen the hillside place to the textile fiber the intensity, but mixes in the glass fiber to the too steep slope not to be big to its overall intensity help, after again comes is mixes in the glass fiber the hillside avalanche, proliferates the area comparatively originally not to mix in the glass fiber the area to be small
摘要本篇研究是利用玻璃纖維做為山坡地補強的強化材,在不同的山坡坡度上混入玻璃纖維,改變山坡地的強度,改善對于易發生土石流地區的山坡地給予加強,和縮小土石坍塌后的?圍面積,在對于防?土石流和土石流發生后的破壞減到最小,經過實驗后的數據得知,混入玻璃纖維確實可以加強山坡地的強度,但對過于陡峭的坡度混入玻璃纖維對其整體強度幫助不大,混入玻璃纖維的山坡崩塌后,所擴散面積較原本沒有混入玻璃纖維的面積小。The wetland habitats for many wild animals were seriously affected by this change and the habitat pattern had an obvious change, too. the area of suitable habitat ( sd 0. 35 ), which had reduced by 7637 hm2 in the ten years, was becoming smaller and more fragmented, with deteriorated quality. for red - crowned cranes, the area with high spatial diversity values ( sd 0. 65 ) and that with mid - high values ( 0. 5 sd < 0. 65 ), which constituted the main part of suitable habitat of red - crowned cranes, had reduced by 9232 hm2 and 15584 hm2 respectively, with the shrinking of natural land cover, such as reed and suaeda
研究區野生動物生境格局受人為和自然干擾的雙重影響而發生了較為明顯的變化,整體趨勢是生境適宜性逐漸降低,適宜生境和較適宜生境( sd 0 . 35 )的面積十年間減少7637hm ~ 2 ,丹頂鶴的適宜生境( sd 0 . 65 )和較適宜生境( 0 . 5 d < 0 . 65 )面積分別減少9232hm ~ 2和15584hm ~ 2 ,且生境的破碎化程度加深,在空間上呈現由北向南海向推進、由東向西壓縮之勢,生境質量呈下降趨勢。For the larger area contraction ratio, the flow condition becomes more complicated, the discharge of the tunnel and the change of the negative pressure in the cavity pocket will be reduced, but the cavity diameter of the level rotary cavity flow and the dissipation ratio of the system will be increased
面積收縮率較大時,流態變化復雜,泄流量和環流空腔內的負壓的變化減小,但空腔環流的空腔直徑和泄洪洞的消能率增大。Besides the routine characteristics, xs series worm gear units adopts the helical gear - worm wheel type to make the structure more reasonable. the series not only has higher transmission efficiency and loading capability than those of single - stage worm wheel transmission, but also reduces space. moreover, under the close volume, the series can obtain higher transmission ratio and is more favorable for equipment setting
Xs系列蝸輪蝸桿減速機除具有常規特性外,該機還採用了斜-蝸輪形式,使結構更加合理化,它不僅改變了比單級蝸輪蝸桿傳動具有更高的傳動效率和承載能力,而且在結構布局上縮小了空間佔地面積,同時在相近體積條件下,能獲得更大傳動比,更有利於設備的配置,該機能與各種減變速機組合,滿足不同的使用要求。The treatment of extensive deep burn wound is mainly by transplantation of razor - thin graft or split - thickness skin autograft in clinic. but the lack of dermis makes the wound heal with scarring and contraction. we can prepare a new kind of acellular dermal matrix ( adm ) by the method of naoh - maceration. first the acellular dermal matrix became vascularized within 3 weeks after implantation into full thickness skin defects in sd rats, then auto - split - thickness skin was overlaid on it. by animal experiments, we observed that the new kind of composite skin can reduce scarring and contraction of transplantation of razor - thin or split - thickness skin autograft
目前在臨床上治療大面積深度燒傷的方法是移植刃厚或斷層自體皮,但因缺乏足夠的真皮成分,常造成疤痕和攣縮,本實驗用naoh消蝕法研製出一種新的真皮基質( adm ) ,先將其移植于全厚皮膚缺損的大鼠背部創面,外覆蓋輻照豬皮保護3周,使其血管化,再在其上移植斷層自體皮,經動物實驗我們觀察到這種新型復合皮膚,可以減少單純移植刃厚或斷層自體皮造成疤痕和攣縮。For ease ache, we import new rf tip from developed country, the tip area is bigger than old tip nearly 50 %, the duration is shorten from 5. 3s to 1. 9s so that the treatment has been shorten from two hours to one and half hour, at the same time, which make the client feel better
為了降低疼痛,從國外引進的第二代電波拉皮快速治療大探頭,治療面積比目前的探頭增加50 % 、擊發時間從5 . 3秒縮短為1 . 9秒、原本需要2小時半的療程縮短為1小時半,讓治療時間更縮短、疼痛指數更減低。Telescopic cranes have impact construction and can telescope to reduce the overall size when stored to minimize occupying space on board. the crane can be equipped with one or multi - telescopes
伸縮型起重機結構緊湊,不使用時可以將吊臂收到最小的外形尺寸以減少船上的佔用面積。起重機可以配一個或多個伸縮臂。Some aspects of vertical twin screw compressor are compared with horizontal twin screw compressor : the axial bearing load of the vertical twin screw compressor is 57 % lower than horizontal twin screw compressor ; it also can increase 5 % capacity but it only occupied the 30 % area of horizontal twin screw compressor ; and it has more efficient oil separator as its special figure
並對立式螺桿製冷壓縮機與臥式螺桿製冷壓縮機進行了分析比較:立式螺桿壓縮機的軸向力比臥式壓縮機的軸向力減少57 % ;立式螺桿壓縮機的容積效率要比臥式壓縮機的容積效率高5 % ;由於油分的特殊環形設計,所以立式壓縮機的油分效果要比臥式壓縮機的油分效果好;而立式壓縮機佔地面積為臥式壓縮機的1 / 3 。The fca should be reduced in area without affecting its boundary security function
應在無損邊界保安的情況下,縮減邊界禁區的面積。Zb transformer substation named european style cubical substation, which as a new type of electricity supplying equipment, with more advantages than traditional substation, because of small dimension, compact structure, and decreases the construction cost, at the same time, its installation is very easy, and the supply is very fast, and no need watching people, especially it is into the load center, which is very important for improving the supplying quality, decreasing the loss, improving supplying reliability and reforming electricity network
Zb型箱式變電站谷稱歐式箱變,作為一種新型供配電裝置,它比傳統土建變電站具有許多優越性。由於它體積小,佔地面積小,結構緊湊,便於搬遷,因而大大縮短了基建的周期和佔地面積,也減少了基建費用。同時,箱式變電站現場安裝簡單,供電迅速,設備維修簡單,無須專人值守,特別是它可以深入負荷中心,對提高供電質量,減少電能損失,增強供電的可靠性以及對配電網路改造都是十分重要的。分享友人