high water period 中文意思是什麼

high water period 解釋
豐水期
  • high : adj 1 高的〈指物,形容人的身高用 tall〉;高處的;高地的。2 高級的,高等的,高位的,重要的。3 高尚...
  • water : n 1 水;雨水;露;〈常作 pl 〉 礦泉,溫泉;藥水。2 〈常 pl 〉水體;水域;水道;海;湖;河;海域;...
  • period : n 1 時代;期;時期;期間;階段。2 〈the period〉現代,當代。3 周期;【地質學;地理學】紀。4 終結...
  1. To lily flower of high quality characteristic production in qingyang carry through plastic pellicle mantle and maize straw pole mantle in live through the winter, analysis soil water resume, ground temperature change character and different mantle material water, heat resource to the effect of upgrowth period, growth measure and output inscape of lily flower

    摘要通過對慶陽優質特色產品黃花菜越冬期進行地膜覆蓋和玉米秸稈覆蓋,分析越冬期土壤水分損耗、早春地溫變化特徵,以及不同覆蓋材料水、熱資源對黃花菜發育期、生長量、產量構成要素的影響。
  2. Shipment traffic usually is heavy in littoral area, the navigation capability is required in many riverway. navigation lock was set to suit for the water level ' s variety caused by tide. for a long period, being lack of the quantified assessment on the influence of saltwater intrusion, approaches that freshwater is inpoured to the lock chamber are adopted lest the high concentration salt water be imported to the inland waterway, when the navigation lock is in operation. but such manner should not be reasonale enough

    沿海地區船運發達,很多河道有通航要求,為克服潮汐造成的水位變化而設置船閘。長期以來,由於缺乏對鹽水入侵內河河道產生影響的定量評估,在船閘運行過程中為防止高鹽度鹹水入侵內河,通常採用將內河淡水打入閘室的方式來調節通航水位,船閘的這種運行方式不盡合理。
  3. In ported trials, wu gave the minimum tr of all plants, and its diurnal maximum tr persisted stability the most within the range of soil moisture 20. 4 % - 6. 4 %. ; nx lowered its tr and shrank its high - low lines after had experienced irregular wet - drought hardening period during culturing ; kerqin performed a plasticity as compared to field ; c. lanata also stood the most stability but on the basis of middle - high maximum tr level ; tr by caragana korshinski was high when soil water was abundant, but was lowest for lack of water ( 6. 4 % )

    盆栽試驗表明,華北駝絨藜蒸騰最弱,且在土壤含水量20 . 4 6 . 4的范圍內最高蒸騰速率穩定性最強;經脅迫鍛煉寧夏駝絨藜蒸騰降低,變幅減小;科爾沁駝絨藜與大田相比蒸騰可塑性較強;土壤水分變化中,北美駝絨藜蒸騰在中高水平上維持穩定的能力最強;水分良好時檸條蒸騰很強,水分脅迫中蒸騰極大降低。
  4. 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。
  5. The results show that : the seeds of victoria amazonica are not suitable for dry store ; with the high temperature of 30 - 35, the germination percentage of the seeds which have fully matured will reach 68 % to 85. 7 %, seed soaking by ga3 contributes greatly to the improvement of the germination percentage, during the period of growing seedlings, the low water level is helpful to the sprouting of seeds

    結果表明:王蓮種子不宜乾燥貯藏; 30 ~ 35高溫配合充分成熟的種子,發芽率可達68 % ~ 85 . 7 % ;赤霉素浸種對提高種子發芽率有顯著的促進作用;育苗期間的低水位有利種子萌發成苗。
  6. The geological conditions are very complicated in hejiazhai tunnel which is located in guizhou shuibo railway, this tunnel is named " mashed tunnel " with the most difficult geological conditions such as the high dense gas and developed karst and gushing water assembled together, the geological hazards like the gushing water and sand, the collapse of tunnel, surface subsidence and slide, cracking of tunnel lining were often happened during construction period

    摘要貴州水柏鐵路何家寨隧道,工程地質條件極其復雜,集「高瓦斯、強巖溶、大涌水」為一體,施工期間曾發生多次涌水涌砂、洞內坍方、地表塌陷與滑坡、支護襯砌開裂變形等地質災害,堪稱水柏鐵路施工難度最大的「爛洞子」 。
  7. With the development of the electric power system, static - state reactive power compensators ca n ' t have met the requirements of the actual production and operation, and the trend to the fast and dynamic compensation for reactive power become greater and greater. since ertan hydroplant and 500kv transmission systems in sichuan power system have been operated, many power plants of load center are forced to halt during the high - water period, because the great deal of power is transmitted to far - distance load center. thus the load center loses voltage sustentation and the level of the system stabilization is debased greatly

    四川電網的二灘水電站和500kv輸變電系統投入運行后,由於二灘水電站的大量電力遠距離輸送至負荷中心,迫使負荷中心的火電機組在豐水期大量停機,使負荷中心失去電壓支撐,大大降低了電網的電壓穩定水平;同時,因為四川電網中的無功補償裝置全為靜態無功補償電容器(或電抗器) ,這些設備只能在系統正常運行狀態下起到無功補償和電壓支撐的作用,而在電網出現事故時,不但不能起到電壓支撐作用,反而會促使電網電壓崩潰事故的發生。
  8. In the paper, prescale technology, interpolate method, averaging method and multiple period synchronization method are used to measure the frequency accurately. diode demodulating technology, and power attenuated method or probe coupling & water load technology are employed to measure the power of high power microwave. isothermal technology is used to improve the stability of demodulator and to expend the range of square linear region

    本文採用預分頻法、內插法、多周期同步法、平均法實現了頻率的精確測量;利用二極體檢波技術,結合衰減法或探針耦合+水負載技術實現了大功率微波功率的測量;採用恆溫技術提高了二極體檢波器穩定度;完成了單片機串口通信協議設計和系統電磁兼容的分析和設計。
  9. Water shutoff agent dsz - a is composed of inorganic particle. its specialities are low cost, easily flow, high strength and long valid period. the agent suits non - selective water shutoff in sand formation. dsz - a not only can plug high water - bearing formation, but also can plug case leakage. dsz - a has been applied on site and gotten good effect. it is a agent which has wide prospect

    井下護泵除砂裝置主要用於產液氣量高,出砂能力大,利用常規裝置、常規方法很難治理的井.它的設計是建立在丟手封隔器卡封的基礎上,將液體攜砂能力由地層進入泵管轉變為先過濾(雙層激光割縫篩管部分) ,再在除砂器內靜態沉澱、由單流閥排入井底等一系列除砂護泵優點.本文著重介紹了井下護泵除砂裝置的工作原理與應用情況
  10. Water - sprinkling festival period, but also must rises high, releases for flight lamp tradition recreational activity and each kind of dance party and so on hold the acetate ship, put

    潑水節期間,還要舉行賽龍船、放高陞、放飛燈等傳統娛樂活動和各種歌舞晚會。
  11. After studying the contents with " sx - 10 law " concerning the oil and gas ( o & g ) cost of the international oil company, the article has systematically analyzed and compared the sinopec and foreign oil company ' s o & g cost ' s differences, such as its classifications structures, and cost accounting etc. by analyzing the international oil company ' s common o & g cost ' s movement tendency and rule which has been outlined and showing in the recent 10 years, that is between 1991 and 2000, the article has compared and studied the differences in o & g costs between the sinopec and foreign oil company, furthermore, it has taken impersonally part the real and internal reasons in details which has resulted in the differences at home and abroad. for instance, it has concluded the reasons that contribute to the long - lasting higher production cost of the sinopec upstream in three aspects : firstly, it is due to the difference in its resource stratagem, that is, the foreign oil company can realize their o & g resource optimization by the way of resource electing and o & g assets replacement in the world market ; secondly, since most of the sinopec key oilfields have been in the middle or last development period which characterizing the " three high " ( high water containing, high yield and high lifting rate ), it has been an impersonal rule with a higher level of production cost ; finally, another factor resulting in the higher production cost lies in the execrable operating and social environment which has been facing by the domestic oil company and a great amount of non - producing payout which owes to the bad environment

    本論文從美國證監會( sec )對國外石油公司油氣成本的《 sx4 - 10條例》的內容研究出發,系統地分析和比較了中外石油公司在油氣成本的分類、構成以及核算等方面的差異,並結合近十年來( 1991 - 2000 )國外石油公司油氣成本的變化趨勢和變化規律,對中外油氣成本結構和變化呈現出的差異進行了比較和研究,並就導致該差異產生的深層次原因進行了客觀翔實的剖析,文章特別指出,造成中石化上游油氣生產成本居高不下的原因有三個方面: ( 1 )資源戰略方面,國外石油公司可以通過資源優選和資產置換來實現油氣資源的最優化選擇: ( 2 )從開發程度上,中石化上游普遍進入以「三高」為特徵的開發階段,生產成本高是客觀規律: ( 3 )企業面臨的惡劣經營和社會環境以及由此產生的大量非生產支出,也是構成企業生產成本較高的原因之一。
  12. With the development of oil fields, many old reservoirs in the east of china enter the high water - bearing development period. sustaining a high and stable production rate faces severe challenge. the key to preserve oil output in high water cut period is dependent upon the understanding degree to the properties of residual oil distribution. from 1980 ' s, while the study of the reservoir flow unit was proceeded alongside, it has been more widely utilized to characterize reservoir feature and remnant oil distribution. study of reservoir flow unit plays. both theoretically and practically. an important role in recognizing reservoir heterogeneity. performing a high - definition reservoir delineation and understanding the distribution of the remnant oil in the reservoir

    隨著油田的不斷開發,我國東部許多老油田已進入高含水期開采階段,保持油氣產量的穩定面臨嚴竣的挑戰,而高含水油田穩產的關鍵取決于對剩餘油分佈的認識程度。八十年代以來,隨著對儲層流動單元研究的不斷深入,它越來越廣泛地被應到油藏描述和剩餘油研究中來,流動單元研究對于認識儲層的非均質性、提高油藏描述精度、搞清剩餘油分佈具有重要的理論意義和實際意義。
  13. This paper systematically analyzes the environmental effect of the ebinur lake area dynamic change and its influence on the railway along the lake, and the research establishes water balance equation of the ebinur lake, chooses the two characteristic phases, 1991 1992, 1998 1999, for computing, and concludes that since 1990s, water storage whether in low water period or in high water period is less than that of 1960s, whose lake area was 800km2, and this area basically can reach the target of optimal eco - environment benefit

    本文系統地分析了艾比湖湖面動態變化的生態環境效應及其對沿湖鐵路線的影響。並通過艾比湖水量平衡方程式的建立,選擇1991 1992年(枯水時段) 、 1998 1999年(豐水時段)兩個特徵時段進行計算分析,得出20世紀90年代以來,不論是枯水時段儲水量,還是豐水時段儲水量,均小於20世紀60年代湖泊水面保持800km2所需水量,而此水面基本可以達到湖區生態環境效益最佳的目標。
  14. Such a rise shortens the return period of high water level by half, that is, a high water level with a return period of 50 years would have a return period of about 25 years after the rise in the mean sea level.

    楊繼興說:維多利亞港的海平面在過去五十年上升了0 . 12米,這個升幅會使最高水位的重現周期縮短約一半。即是說,原本重現周期是五十年的水位,在海平面升高后的重現周期會是大約二十五年。
  15. After analyzing, the author got the basic character of tidal flat hydrodynamic : the time of flooding on bare flat and ebbing is basically the same and the time of flooding on pioneer zone of salt marsh is a little short ; the process curve of current speed on bare flat did not appear peak value on the beginning of flooding and at the end of ebbing but presented double peak, that is, it presented double peak in winter and spring and ebbing peak value disappeared in summer and autumn, salt marsh presented single peak character in a year and the process curve in tidal creek presented double peak ; all current direction on every spot presented gyration current and the current speed changed rapidly during the high water level without obvious slack water period

    分析得到了潮灘水動力基本特徵:光灘水位漲潮和落潮時間基本相等,而鹽沼前緣帶水位漲潮時間略短;光灘流速過程線在漲潮初和落潮末出現峰值,呈現「雙峰型」特徵,鹽沼前緣帶則冬、春季節呈現「雙峰型」 ,夏、秋季節落潮峰值消失,鹽沼帶四季呈現單峰特徵,潮溝內過程線為「雙峰型」 ;各測點流向均呈現回轉流特徵,在高水位時流向迅速改變,不存在明顯的憩流。
  16. Fine numerical simulation of the reservoir at high water cut period

    高含水期油藏精細數值模擬研究
  17. Rock resistivity testing for water - flooded reservoir during high water - cut period and its application in weicheng oilfield

    衛城油田高含水期水淹層巖電試驗與應用
  18. Such a rise shortens the return period of high water level by half, that is, a high water level with a return period of 50 years would have a return period of about 25 years after the rise in the mean sea level. " nevertheless, as the effects of storm surges and long term sea level rise have been taken into consideration in the design of coastal projects, it is unlikely that the sea level will pose a threat to hong kong in the near future

    12米,這個升幅會使最高水位的重現周期縮短約一半。即是說,原本重現周期是五十年的水位,在海平面升高后的重現周期會是大約二十五年。雖然如此,由於香港的海岸工程在設計時已考慮了風暴潮效應及海平面可能會上升,相信在未來一段時間內香港的海面高度仍不會對香港構成威脅。
  19. As mangrove trees grow in inter - tidal zone, their trunk and even their canopy may be covered by tidal water during high tide period

    因為紅樹生長于潮間帶,所以樹身甚至樹冠可能會于漲潮時被潮水覆蓋。
  20. On time, its expression in annual is, total nitrogen is higher in high water period than low water period, but it varying in agriculture area much regularly, and variations in industrial area are not so regularly ; in interannual, varying law of total nitrogen is different with its location

    在時間上,年內變化表現為,豐水期的總氮濃度高於枯水期,但農業區的總氮濃度變化較為規律,工業區的變化呈現出不規律的現象;在年際上,總氮在年際的變化規律隨地點的不同而存在差異。
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