等水分線 的英文怎麼說
中文拼音 [děngshuǐfēnxiàn]
等水分線
英文
isohume- 等 : Ⅰ量詞1 (等級) class; grade; rank 2 (種; 類) kind; sort; type Ⅱ形容詞(程度或數量上相同) equa...
- 水 : 名詞1 (由兩個氫原子和一個氧原子結合而成的液體) water 2 (河流) river 3 (指江、河、湖、海、洋...
- 分 : 分Ⅰ名詞1. (成分) component 2. (職責和權利的限度) what is within one's duty or rights Ⅱ同 「份」Ⅲ動詞[書面語] (料想) judge
- 線 : 名詞1 (用絲、棉、金屬等製成的細長的東西) thread; string; wire 2 [數學] (一個點任意移動所構成的...
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They are jinfo mountain in nanchuan county ( natural protection section ), wuling mountain in qianjiang county ( national emphases forest demonstration county which forest cover rate is beyond 50 % ) and zhongliang mountain in beibei county ( artificial destruction is very grave ). some main land use patterns i. e. woodland, garden, infield, abandon infield, shrub and grassplot are selected in those three sample sites. four aspects on soil fertility index of karst environment under different land use patterns in these three sample sites, are revealed in this paper, by using the field test, indoor measure and analysis, outdoor experiment and field investigation, and the knowledge and technique of soil, ecology, physics and chemistry etc. they are physical characteristic ( effective soil thickness, organic layer thickness, soil texture, water - stable aggregate and soil water etc. ), chemical fertility ( organism, omni - n, omni - p, omni - k, alkali - nitrogen, available p, available k and rapid available k etc. ), soil animalcule ( bacteria, fungi, actinomyces and their grosses ) and soil - seed - pool ( plant community diversity index ) in karst ecosystem
本研究以重慶市的南川金佛山(自然保護區) 、黔江武陵山(國家重點退耕還林示範縣,森林覆蓋率50以上)和北碚中梁山(遭人為破壞嚴重)典型巖溶區為對象,選擇了幾種重要的利用方式,包括林地、果園、耕地、棄耕地和灌草坡,採用野外巖溶生態調查和室內試驗測量分析相結合的方法,以不同土地利用方式巖溶土壤肥力為重點,對不同土地利用方式土壤肥力特徵進行量化分析,找出巖溶土壤肥力差異的主要方面及其根本原因,論文主要從土壤剖面物理退化指標(有效土層厚度、有機質層厚度、質地、團聚體、水分含量等) ,化學肥力退化指標(有機質、全n 、全p 、全k 、堿解n 、速效p和速效k等) ,樣地土壤微生物指標(細菌、真菌、放線菌數量及總量)以及樣地土壤種子庫植物群落多樣性等4個方面對重慶典型巖溶區的土壤肥力特徵進行了較為詳細的分析研究,為巖溶地區士壤資源的合理利用及結構的調控管理提供依據。The optimization system of water supply networks is very complicated. it deals with lots of factors from the process of networks " modeling, node demand calculation, initial flow distribution, and the optimal design to the drawing of pipe networks and isopiestic line. the total effect will be better if amelioration is imposed on each part of these processes
給水管網優化系統是一個比較復雜的系統,從管網的建模、節點流量的計算、初始流量的分配、優化計算到管網圖形和等水壓線的繪制,涉及的因素很多,任何一部分的改進與完善都有利於整體優化效果的提高。The methods for solving these problems are put forword as follows : the method of airphoto scale rangs from 1 / 4 to 1 / 6 of map scale ; a flight line uses belt method ; the optional time intervals of airphoto taking are from may to june and from august to october in one year ; when the contrast at the site is small, or the visibility is rather low and needs to enchance the contrast, the hardening agent should be prepared to process the film
並提出了解決問題的方法:山區航空攝影合理的攝影比例尺應是成圖比例尺的1 / 4 ~ 1 / 6 ;對于山區窄而長,且為線狀走勢的河流宜採用帶狀航線設計方法設計;山區流域水分充足能見度不好,惟每年5 - 6月和8 - 10月是航空攝影的最佳季節;當地面物體反差小或能見度不好而需要特別提高反差時應配製較硬性藥水沖洗等。Those conclusions may be meaningful for us to determine mixture ratio when fabricating composite films with special structures. 2. we study the phase - separation and microstructure of the pure binary and trinary mixed lb and ls films of dimyristoyl phosphatidyicholine ( dmpc ) cholesterol ( chol ) and sphingomylin ( sph ) deposited from pure water subphase by - a isotherms and tapping mode atomic force microscopy
2 、利用- a等溫曲線和原子力顯微鏡的輕敲模式對從純水亞相上提拉的不同生物分子二肉豆蔻酰磷脂酰膽堿( dmpc ) 、膽固醇( chol . )和神經鞘磷脂( sph )不同種純的、二元及三元混合單分子膜- lb膜和ls膜體系的相分離和微結構進行了研究。Di - on electric one of the beijing hi - new - tech enterprise develop and manufacture lots of equipment like sf6 dewpoint meter dp100, cable fault location system cfl6000 and more. di - on electric supply the most advanced technology and equipment on such as gis surge arrestor on line monitoring, resistance measuring, ac dc metrology, thermal - temperature bridge, power transformer diagnostic and testing, cable diagnostic and fault location, sf6and oil moisture measuring, oil treatment and testing, optic fiber temperature monitoring, circuit breaker testing, relay testing and more
迪揚電氣在gis和避雷器的帶電測試與故障診斷分析,電力電纜的故障定位與局放檢測,變壓器電抗器的各種測試診斷與溫度監測, sf6的水分測量與回收,絕緣油的測試分析與濾油處理,紅外測溫與光纖在線測溫,以及各種電阻測試與計量,溫度計量與電能計量等方面擁有世界一流的技術與成熟的儀器設備。So it can better isoline draw process for analyzing mineralization result and groundwater hydrochemistry law of anion, cation distribution, it can also design and carry out superposing analysis function and use superposing method draw zone figure of hydrochemistry type. moreover, the system of secondary development has function that stores ultimate figure result into spatial database, it is not steady but flexible at any moment, it can so discretionarily superpose together with other figure layers that it forms synthesis figure set of multi - layer superposing and complicated content for the zone supplying accessorial support
該系統在完成了基本數據管理、圖形顯示及查詢功能之外,還實現了等值線生成功能,大大簡化了過去為分析礦化度、陰、陽離子分佈等水化學規律而作的等值線繪制工作;該系統還設計實現了疊置分析功能,用於在等值線繪制功能的基礎上,通過疊置分析的方法繪制出水化學類型分區圖。Application of the algorithm for different observed head data sets indicate that the model can be successfully applied for aquifer systems where data available may be sparse and with errors. calculated groundwater heads by identification results in fourteen parameter areas are fit for observed heads in field, and flowing filed is similar. the study demonstrates the effectiveness of the ga global optimization model for parameter identification, which is an important step towards real system simulation and effective planning and management of groundwater resources
通過算例研究,表明上述演算法可行,且rbf神經網路方法和退火遺傳演算法對地下水系統參數的識別效果都較好,而退火遺傳演算法較之標準的遺傳演算法具有更好的收斂性將演算法應用到北京市密懷順地區,在收集、分析研究區資料基礎上,建立了北京市密懷順平原區地下水模擬模型,並用遺傳演算法進行了地下水系統參數識別,在十四個分區情況下,計算水位與實際水位擬合的較好,各應力期末的計算與實測等水位線基本一致,表明該識別值較為合理。This dissertation describes the studying of the whole construction of water - saving irrigation expert control system, the realization of hardware and software and low - cost soil - moisture sensor which is needed for water - saving irrigation. the distributed control system based on bus. according to real - time data of soil - moisture, water - level of sump, pressure of tube, etc. and irrigation knowledge in expert knowledge bases, it can make decisions such as when to irrigation, the water quantity to irrigation and the cost and benefit of the irrigation
本文對節水灌溉專家控制系統的總體結構、軟硬體實現以及節水灌溉急需的低成本土壤水分傳感器進行了研究,系統採用了基於總線的分散式控制結構,根據實時檢測的土壤水分、水槽水位、管道壓力等實時參數,知識庫的作物灌溉知識,分析決策灌水時間、灌水量、灌溉成本及灌溉效益。In order to accelerate the district metering work, in 2005 a contract operation will be carried out, including matching the site pipelines and valves with the plans for calibration, checking leak distribution by leakage vibration recorder, and zone division and suspension confirmation. twd divided specific areas into blocks for testing. presently, twd has already prepared four blocks for testing and 30 more will be ready by the end of the year
為加速推動94年小區計量工作,於今年下半年將其前置作業包括現場管線及閥栓與圖資比對校正新式漏水振動記錄器調查漏水分佈區塊劃分及斷水確認等委外辦理,目前已劃分完成4個計量區,預計至年底將完成30個。In order to resolve the question, in the thesis a simulation arithmetic of hydro - electrical system is put up. the equations of hydro - electrical system are divided to two parts, one of which consists of the differential equations of conduit system, hydro turbine and generator ' s rotator and is solved by characteristic equation arithmetic, the other of which consists of the differential equations of generator, magnetic system and grid and is solved by longge - kuta arithmetic or covert integrated arithmetic. through the alternative solving of the two parts, the simulation results of the large - disturbance transient could be abstained eventually
為解決這一問題,本文提出了一種將水力系統和電力系統方程交替求解的水電系統聯合模擬演算法,即將包括輸水系統、水輪機以及機組轉子等部分的水力系統差分方程作為一部分,將包括同步發電機、勵磁系統以及電網等部分的電力系統微分方程或差分方程作為另一鄭州大學工學碩士論文部分,對前一部分採用特徵線法求解,對后一部分根據模型形式採用龍格一庫塔法或隱式積分法等演算法求解,這兩部分的求解過程交替進行,最終即可得到水電系統大擾動過程的模擬結果。Based on optimization theories of genetic algorithms and the linear programming, a series of optimal design mathematics models and methods of water transmission conduits and water distribution networks have been presented, in the light of their characteristics. the results are as follows : 1 the linear programming models and calculations of the pressure gravity conduit, the gravity pressure conduit and channel, the pressure conduit with pump station and the pressure conduit in considering pump station flow variations are presented respectively
本文針對不同類型的輸水管線和配水管網系統的特點,應用遺傳演算法和線性規劃等優化設計理論和方法,對其優化設計問題進行了較為系統的研究,成果如下: 1分別建立了重力輸水管道系統、重力輸水管渠系統、泵站加壓輸水管道系統以及考慮流量變化的泵站加壓輸水管道系統優化設計的線性規劃數學模型,並提出了計算方法。And then, the paper analyses the reason engaged in the directional property of underwater acoustic transducer and array, discusses the physical parameter of the directional property. to point acoustic source equal spacing linear array, the dissertation makes experiment analysis and simulation
分析了水聲換能器及基陣指向特性形成的原因、表徵指向特性的物理參數,並針對點聲源等間距線列陣的指向性進行了數學、實驗分析與方針。Analyzing the treated yak hairs with sem, xps and et al, it showed under the same conditions, the effect of etching is enhanced with the increasing of power of wave, and the hydrophilicity and dyeing rate enhanced obviously
通過sem 、 xps及吸附性能等的分析,結果表明,在相同參數的等離子體條件下,隨著產生等離子體的微波功率的增大,對氂牛毛纖維表面的刻蝕效果增強;經過等離子體處理過的氂牛毛纖維的親水性,上染率等都有明顯的提高,說明該方法是一條切實可行的路線。He explains why microwaves cook fish well and meat poorly ( they heat only water molecules, and those to just below boiling : in other words, they poach, producing succulent fish but bland meat ) ; why one should dress a salad just before serving ( oil penetrates the thin waxy cuticle that coats vegetables, driving out the air that refracts light and gives vegetables their colour ) ; why potatoes are the perfect food to deep - fry ( a wealth of starch and sugar on the surface ) ; and why the easiest way to salvage curdled mayonnaise is to wait until the oil separates completely, then just pour it back in, whisking constantly
他解釋了很多廚房內的問題,為什麼用微波爐烹飪出的魚味鮮色美,而做出的肉卻難以下咽(微波爐只對水分子有加熱的作用,而加熱的程度僅低於沸點:換言之,這是一種用熱水煮的過程,所以烹飪出的魚會多汁,而肉卻味道一般) ;為什麼僅在上菜之前的那一刻才給沙拉添加拌料(因為油會浸入保護蔬菜的薄弱表層,並迫使蔬菜內含有的對光線有折射作用的空氣,這樣蔬菜就具有了最本質的顏色) ;土豆為什麼通過油炸才味道最佳(因為油炸過程中,大量的澱粉與糖份會浮出到土豆的表面) ;以及為什麼給蛋黃醬解凍的最簡便的方法是先把醬倒出來,等內含的油完全分離之後,然後把醬倒回瓶子里,再不停地攪拌。From the distribution of initial flow, the optimal calculation of pipe networks and the drawing of the figure on equal hydraulic pressure line, they are connected with each other, if anyone of them is ameliorated, it will improve the total effect
從初始流量分配、管網優化計算到等水壓線圖的繪制,這三部分是密不可分的,任何一部分的改進與完善都有利於整體優化效果的提高。Experiment proved that the calculation model could represent the flow of water in networks reliably. a topological - based method for determination of source - serving districts and drawing pressure - contour in multi - source networks was developed, a matrix describing topological relationship between lines and joins in the multi - source networks was set up for the computer - aided analysis. graph display of source - serving districts, dividing lines and pressure - contour was performed
在水力計算的基礎上,提出了利用拓樸理論進行管網的工況分析的方法,確定了多水源供水管網各水源供水區域、供水路徑;實現等水壓線的自動繪制;建立了給水管網余氯濃度的分佈模型;進行了給水管網事故對策分析。( 3 ) based on the experiments data, it has been found that if the emitter discharge of sdi was little, the depth of pipe buried should be shallow, and the distance between two micro holes should be chosen to equal or close the distance between two lateral pipes, if the emitter discharge of sdi was great, the pipe may be buried deeper, and the distance between two micro holes could be greater than the distance between two lateral pipes
根據一維土柱近似的濕潤輪廓線初步選定了工程設計參數。在地下滴灌灌水器出流量較小情況下,埋深應淺,孔距應選擇和毛管間距相等或接近;出流量大時,埋深可深,孔距大於毛管間距仍可獲得較均勻的土壤水分分佈。The new centre employs state - of - the - art equipment for skin and hair analysis, along with a uv camera and skin moisture assessment equipment
中心內設置了多款先進美容測試儀器,包括全智能皮膚測試儀、紫外線探測機、專業頭發測試分析儀及皮膚水分測試儀等。Some foundry workshops of many important machinery and auto vehicles such as faw, no. 2 automobile group, luotuo, beijing jeep and tianjin gas engine plant and so forth have introduced molding product line ; however, it can not avoid hot sand problem for enhancing productivity ; therefore, it needs to develop economical and creditable cooling moisture control system immediately
國內一些重點機械汽車廠家的鑄造車間,如一汽二汽洛拖北京吉普天津內燃機廠等,已經引進了先進的造型生產線,但是,因生產率的提高不可避免熱砂問題,因此迫切需要開發一套實用可靠的冷卻水分控制系統。In this dissertation, a key point of the study is to build up a mathematical model of the character impedance the swr sensor. the structure of four equal - length probes can be viewed as a special form of coaxial hansnussion line. combining the character impedance of coaxial and the para1lel transmission line, the character impedance model of probe with eqtlaling length was built up by utilizing mathemaical theory of approach
本文將四針等長式結構的土壤水分探頭看成是同軸傳輸線的特殊形式,從標準傳輸線特徵阻抗入手,結合平行傳輸線,運用數學上常用的夾逼定理,得出了四針等長結構的土壤水分探頭特徵阻抗數學模型,由此提出swr型土壤水分四針不等長探頭的特徵阻抗數學模型。分享友人