low water period 中文意思是什麼

low water period 解釋
枯水期
  • low : adj 1 低的;淺的,矮的。 low flight 低飛。 a low temperature 低溫。 low tide [water] 低潮。 The g...
  • 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. 2 microzooplankton of jiaozhou bay were composed chiefly of neritic warm - temperate and estuarine low - salinity species. eurythermic and euryhaline species were sparse. cold - water, oceanic hypersaline and tropical warm - water species were not found during the study period

    2 、膠州灣小型浮遊動物以暖溫帶近岸、河口低鹽種為主,廣溫廣鹽種較少,尚未發現冷水種、外海高鹽種和熱帶暖水種。
  2. The technical difficulties in low - alcohol liquor production mainly cover the following aspects : the bleeding of ethyl palmitate, ethyl oleate and ethyl linoleate etc. after alcohol - degrading might produce the lost of gloss, turbidity and precipitate ; the suspended substances produced in distillation and packing, the production water, and the metal ions contained in production containers are the main reasons for the precipitate in liquor ; besides, the hydrolization reaction and esterification reaction of liquor body during shelf period would also produce the lost of gloss, turbidity and precipitate

    低度白酒生產過程的技術難點主要是白酒降度產生失光、渾濁、沉澱,其主要原因是由於降度后棕櫚酸乙酯、油酸乙酯和亞油酸乙酯等析出;蒸餾、包裝等過程帶入的懸浮物,生產用水、生產容器所含金屬離子等為低度白酒產生沉澱的主要原因;還有低度白酒酒體在貨架期的水解、酯化反應也會引起低度白酒產生失光、渾濁和沉澱。
  3. The study gets the following conclusions : 1 ) inverted nine - spot pattern water flooding is used in the early stage of the development, while linear water flooding is used in the later stage ; 2 ) well array is parallel to the fracture trend ; 3 ) the well arrangement of barycentric position method is a suitable pattern adjustment method in the later period of the development in low permeable oil fields

    研究認為,一是油田開發初期注采方式採用反九點法面積注水,開發後期調整為線狀注水方式;二是井排方向與裂縫走向平行;三是「重心位置」布井方式對低滲透油田開發後期是較為適合的井網調整方式。
  4. 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。
  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. Results according to the analysis and determination of imperatorin, carbohydrate components, amino - acid, extracts, ash and water content, the results showed that the harvest period of radix giehniae in october was appropriate, the process of being sliced with skin and dried under the sunshine or in the oven at low temperature after being washed quickly was the best, the effect of fermented bacteria fertilizer was the best and the second was k2so4 compound fertilizer and k2so4 fertilizer, the contents of carbohydrate components and extracts of radix glehniae " baiyintiao " were the highest and the content of imperatorin of radix glehniae " dahongpao1 was the highest, the quality of radix glehniae during blooming or seeds setting period was worse, the quality of radix glehniae planted in hucheng laiyang was better than those planted in anguo hebei and inner mongolia

    結果:通過對歐前胡素、糖類成分、氨基酸、浸出物、灰分和水分的分析測定,結果表明:北沙參採收以10月份為宜;藥材加工以趁鮮水洗、帶皮切片曬干或低溫烘乾最佳;追肥以酵素菌高效生物肥效果最好,其次為硫酸鉀復合肥、硫酸鉀;栽培品種「白銀條」的糖類成分和浸出物含量最高,而「大紅袍」的歐前胡素含量最高;當年開花和當年結種的北沙參質量較差;北沙參藥材質量以萊陽胡城產最佳,而河北安國和內蒙古產的則較差。
  7. Thirdly, the mathematics model of forecasting low flow was established in fengcong and fenglin regions according to these factors influencing the amount of low flow in karst drainage ( the area of drainage, lithology, the type of landforms and its special assembly and forest ) the conception of low water resources carrying capacity was first put forward according to the changing law of low water resources in space and the situation of exploitation and utilization in karst drainage ( ie, under the condition of the virtuous ecological environment and the available technology, the explorable amount of water resources in certain areas is capacity and limitation which is able to coordinate the development of population, enviroment and economy during the period of low flow seasons ) and preliminarily analyzed its connotation, characteristic and established the index system of low flow in karst drainage

    三是根據影響喀斯特流域枯水徑流的下墊面因素(空間尺度、巖性、地貌類型、植被) ,分別對峰叢和峰林等喀斯特地區建立枯水徑流預測模型。根據喀斯特流域枯水資源的空間變化規律以及實際開發利用狀況,首次提出了枯水資源承載力的概念,即在枯水季節期間,保持良性的生態環境和現有的技術條件下,某一區域內可開採的水資源量對支持該地區人口、經濟與環境協調發展的能力和限度。並初步分析了枯水資源承載力的內涵、特性,從水資源的供需方面確立了喀斯特流域枯水資源承載力的指標體系。
  8. In the same way, we should consider the problem that reactive power surplus and over - voltage during the period of low - water and low load

    同樣在枯水期輕負荷時,我們也要考慮到無功功率過剩,系統電壓偏高的問題。
  9. The qualities of water richful during the period from 1991 to 1995 and the low water during the same period were surveyed statistically and dealt with evenly

    對該區1991 ~ 1995年的豐水期和枯水期的水質分別進行了統計並進行了平均處理,應用模糊綜合評判法對1991 ~ 1995年水質的平均結果進行了評判。
  10. 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
  11. 3 abundance of microzooplankton hi jiaozhou bay varied significantly among sampling stations during the survey period. in general, high densities of microzooplankton appeared in water bodies of the inner bay, low densities were recorded at estuary and outer part of the bay. the highest annual average densities was recorded at station 3 ( 346. 45 ind. / l ), the lowest at station 10 ( 55. 54 ind. / l )

    3 、在不同采樣站,小型浮遊動物豐度差異明顯,灣內較高,灣口和灣外較低,年平均最高和最低密度出現於3號站和10號站,分別為346 . 45個升和55 . 54個升不同水層,小型浮遊動物豐度差異不明顯。
  12. 3 the author analyzes the productive and opening potential and forecasts the demands of some kinds landuse and draws some conclusions : ( l ) the main cause for low production and income is the shortness of water and the poor fertility of land ; ( 2 ) constructive land is not suitable for farming and should be used for economy construction, and this is the main path to keep the total number of plantation in balance. 4. according to the land use, the author discover the unsustainable factors and use synthetical index method to evaluate the sustainability of landuse and the results are these : ( l ) synthetical and monomial value increase gradually with the change of time and sustainable degree of landuse rises year by year ; ( 2 ) the artical compartmentalizes the sustainable landuse into four grades : prophase, primary period, basic period and sustainable period according to the synthesical value with 30 %, 60 % and 85 %

    4根據酉陽縣土地資源利用現狀,在評價模型採用綜合指數法進行評價的基礎上,結合單指標多角度評價法,找出土地利用過程中存在的不可持續性因素,採用綜合指數法對酉陽縣土地資源進行可持續利用評價,結果顯示: ( l )綜合評估值隨時間變化呈增加的趨勢,而且單項指標的評估值也逐漸提高,可持續利用度在逐年上升; ( 2 )根據事物發展階段論,按綜合評估值為30 % 、 60 %及85 %將酉陽縣土地可持續利用劃分為可持續利用的前期階段、初期階段、基礎階段和持續階段等四個等級,從酉陽縣1980年、 1990年以及2000年總的土地可持續利用綜合評估值來看,酉陽縣到2000年土地利用管理仍處在可持續利用管理的初期階段,離土地可持續利用的目標還相差較遠。
  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. Effects of low soil water potential on the grain - filling characters and the main quality properties of superior and inferior grains in rice during filling period

    結實期低土水勢對水稻強弱勢粒灌漿特性及主要米質性狀的影響
  15. During the calculation of reactive power and voltage in the power network, reactive power insufficiency and the system under - voltage are always concerned. in the same way, we should consider the problem that reactive power surplus and over - voltage during the period of low - water and low load

    在無功電壓優化計算中,對于無功功率不足和系統電壓偏低的情況一直是研究者關注的問題;同樣在枯水期輕負荷時,電網運行中也要考慮到無功功率過剩,系統電壓偏高的問題。
  16. The main problems existed in the measured buildings conclude : low energy efficiency plants, low eer when the cooling load decreased during the night period in hotels, bad management, dissatisfied indoor air quality, low efficient water system and so on. if we can avoid these problems, a lot of energy can be saved

    重慶市公共建築主要存在的問題有:設備效率達不到額定值,冷水機組冷量配備過大,酒店在夜間低負荷運行時空調系統能效比( eer )很低,室內環境很不令人滿意,水系統輸送效率低下,跑冒滴漏現象嚴重,運行管理混亂等。
  17. However, although prechlorination efficiently removed algae, its effect was directly related to the quantity of algae and was more obvious in the period of algae bloom. with regard to yellow river water in winter with low temperature and low turbidity, it was discovered that preozonation did not result in a substantial removal of total organic carbon ( toc ), but a remarkable uv254. it was further revealed that preozonation changed the characteristics and structure of organic matters and then enhanced removal efficiencie s of them by subsequent processes

    對于夏季高藻期水質,高錳酸鉀預氧化對有機物有一定的去除能力,並能提高后續工藝出水水質;預氯化能顯著去除藻類,但后續工藝出水水質受藻類數量影響明顯,預氯化只有在高藻期才能提高后續常規處理工藝出水水質;對于冬季低溫低濁水,預臭氧化雖不能降低水中有機物濃度,但能顯著提高后續常規處理單元出水水質。
  18. Water delivery has been run over 30 years. the main canal has the problem that the actual conveying capacity is very low now and the conveying capacity of the east - one main canal i only half of the design value, this lead to guaranteed real - time efficiency of the irrigation of the farmland recede greatly. the downstream has no water and crops were drought to death have been seen more times in the irrigation period, this lead to the contradictory between the upstream and downstream on water usage, moreover, the lower discharge capacity of the dry canal in irrigation period is the main cause of the actual irrigated area is only half of the design value

    經過三十年的輸水運行,目前乾渠工程存在嚴重的輸水能力低問題,其中東一乾渠輸水能力只能達到原設計的1 2 ,使農田的適時灌溉保證率大大降低,多次發生灌溉期下游見不到水而旱死莊稼的情況,造成上下游用水矛盾突出,而且灌溉期乾渠過流能力偏小,是導致實際灌溉面積僅為設計值的1 3的重要原因。
  19. Nh4c depletion in the pore water concentration and low n / p ratios ( 3. 7 by weight ) within the macrophyte biomass at the end of the growing period suggest that available n limits plant growth

    孔隙水濃度中nh4c的消耗和大型動植物生長末期的低氮/磷比率(重量上佔百分之3 . 7 )表明,有效的氮元素限制了植物的生長。
  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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