等濃線 的英文怎麼說

中文拼音 [děngnóngxiàn]
等濃線 英文
isopleth
  • : 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...
  • : 形容詞1. (液體或氣體中所含的某種成分多; 稠密) dense; thick; concentrated 2. (程度深) (of degree or extent) great; strong
  • : 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...
  1. Standard practice for determination of adsorptive capacity of activated carbon by a micro - isotherm technique for adsorbates at ppb concentrations

    用ppb縮時吸附物的微縮技術測定活性炭吸附能力的標準實施規程
  2. A method to calculate quantitatively the adsorption volume or adsorption space of per mass of adsorbent derived from both the adsorbed molecule volume and the maximum adsorbance of a solute in an adsorption isotherm under a given experimential condition is presented firstly for a solid / liquid adsorption system of the solute in a dilute aqueous solution. this method is suitable for not only mono - layer adsorption, but also mani - layer adsorption and micelle adsorpion of surfactant constructed by hydrophile and lipophile groups. therefore, the surface concentration of the adsorbate, cs, deduced from the adsorption volume is possessed of the meaning of true concentration, and the value of the patition coefficient of the adsorbate between solid and liquid phass, p, attained by the cs and the c, solution concentration of the adsorbate, can be accurate. the foregoing a set of calculations are presented for the solid - liquid adsorption systems consisted of the wool fiber and separately dodecyltrimethyl - ammonium bromide ( dtab ) and hexadecyltrimethyl - ammonium bromide ( ctab ) in this paper. this provides a strong basis for adsorption thermodynamic investigation of adsorbate

    對稀溶液中溶質的固/液吸附體系,首次提出了根據吸附分子體積和實驗條件下吸附中的最大吸附量計算單位質量吸附劑的吸附體積或吸附空間的方法.此法適用於單層吸附,也適用於多層吸附和具有親水親油結構的表面活性劑分子的膠團吸附.由此,吸附質的表面相度cs具有真實度的含義,相應地,計算得到的溶質的固/液分配系數p就有了準確值.分別計算由溴代十二烷基三甲銨( dtab )和溴代十六烷基三甲銨( ctab )與羊毛纖維構成的液/固體系分配系數,為溶質吸附的熱力學研究奠定了基礎
  3. Both the complicatedness varieties trees, the thick liquid material that the material differs greatly and the remaining leftover bits after wood processing, wood shaving, sawdust, sub thick liquid, cotton stalk, hemp stalk, bush, crudefiber crop, rice wheatgrass, reed, crudefiber crop, many kinds of goods thick liquid board, wasted paper, bagasse, agrimony etc. canbe fasten separated into the good fibre with higher velocity and proper to rub a block of interval

    磨對漿料的適用范圍較廣,無論是樹種復雜,材料差異較大的漿料,還是木材加工后剩餘的邊角料,以及蝕花、鋸屑、節子漿、棉稈、麻稈、灌木、枝椏材、稻麥草、芳菲、麻類多種商品漿板、廢紙、甘蔗渣、龍須草,都能夠以其料高的旋速成度及適當磨片間隙分離成優質纖維。
  4. Modbus transducer is the key device in the system and is used to offer power supply of pressure and temperature sensor, to collect signal, to linearizate and compensate temperature, to calculate density, volume and mass, to transmit data to modbus network, and display the data. so the modbus transducer is a multi - parament measurement, intelligent control device which can manage multi - signal

    變送器是系統的核心設備,其作用是為油罐溫度、壓力、液位、可燃氣傳感器供電,採集傳感器信號並進行性化、溫度補償處理,完成密度、體積和質量參數計算,將數據輸出到modbus現場總測控網路,根據需要現場顯示計測量參數。
  5. In this thesis, aragonite whisker was synthesized by introducing co2 into ca ( oh ) 2 suspension mixed with mgcl2. the hyphenated technique of microscope - microcomputer was used to examine the morphology and microstructure of the products. the effects of reaction temperature, concentration of mgcl2, ph value of the initial suspension, flow velocity of co2, and stirring strength on the formation of the polymorphs of calcium carbonate were examined

    本文利用改進的碳化法制備了文石相碳酸鈣晶須,採用高倍顯微鏡一計算機聯用技術、掃描電鏡和x射衍射儀進行產品形貌觀察和晶型分析,討論了溫度、 mgcl _ 2度、初始ph值、 co _ 2的流速、攪拌速度因素對制備文石相碳酸鈣晶須的影響。
  6. Phosphorus absorbed and immobilized in rhizosphere was less than that of in root zone and unroot zone. 2. the isothermal adsorption curve of each can be partition into two parts. phosphorus adsorption amount and phosphorus consistency slope in equilibrium solution are relatively higher than the slope of phosphorus adsorption amount and phosphorus consistency when fertilizer amount added increasing continuously

    土壤的溫吸附曲可分成兩個部分:當土壤平衡溶液度很低時,磷的吸附量與( x )磷的平衡溶液度( c )的曲斜率較大;當施肥量不斷增加后,土壤平衡溶液度也會隨之不斷增加,曲斜率變小。
  7. We provide food project consultation, craftworks design, equipment selection, equipment and tubes making, installation, including product line for concentrate juice, original juice, fresh milk and yoghourt powder, jam, traditional medicine, tea, flavoring, health foods, food additive and etc

    我公司承接各類食品成套項目的咨詢,工藝方案設計、設備選型、工藝設備和管道的製作、安裝和調試一體化服務,主要包括縮果蔬汁、原汁飲料,鮮奶酸奶奶粉、果醬蕃茄醬、中藥和茶植物提取液、調味品、保健食品,食品添加劑生產
  8. In order to determine the concentration or supersaturation in crystallization process, an online test apparatus was set up based on the relationship between the concentration and the electroconductivity at a temperature for binary electrolyte systems, which was also used in similar fields to measure the electrolyte concentration

    根據二元電解質溶液體系的度與電導率和溫度之間的關系,建立一電導率在測量裝置,可在一定范圍內測定溶液的度或過飽和度。實驗得到與hlozny人基本一致的溶液電導率變化趨勢。
  9. The system measures photosynthesis rate by using infrared co2 gas analyze method. it has two work modes : open route and close route. it can measure the leaf photosynthesis rate, transpiration rate, stomata conductance and co2 thickness in cell clearance etc parameters about plant physiology

    本文研究設計了測定光合、蒸騰速率的主從式虛擬儀器系統,系統採用紅外分析法測定光合速率,設置有開路和閉路兩種測定方式,可以測量植物葉片的光合速率、蒸騰速率、氣孔導度和細胞間隙co _ 2與植物光合作用相關的參數。
  10. Taking the suspended sediment as the sand for the experiment and the normal nutritive matter - phosphorus in water as the contamination for simulation, the effect on the equilibrium adsorption of phosphorus from the initial concentration of the water phase phosphorous pollutant and the influence of sediment content on the isothermal adsorption of phosphorus are studied through the experiment

    摘要以懸移質泥沙為試驗用沙,以水體中常見的營養物質磷為模擬污染物,通過試驗研究了含磷污染物水相初始度對磷平衡吸附量的影響和含沙量對含磷污染物吸附的影響。
  11. The results were shown as follows : ( 1 ) the electrolyte components for electroplating pb - sn coatings in fluoborate system were studied. the effects of concentrations of main salt, dissociative acid, inhibitor, antioxidation and surfactant on the cathode polarization curves of electroplating pb, sn and pb - sn alloys and contents of alloying element were investigated systematically. the scale of current density was confirmed using hull cell

    ( 1 )研究了氟硼酸體系電鍍pb - sn合金鍍層的電解液組成,詳細討論了主鹽度、游離酸度以及阻化劑、抗氧化劑、表面活性劑添加劑對氟硼酸體系電沉積pb 、 sn及pb - sn合金陰極極化曲的影響和對pb - sn合金鍍層中合金含量的影響。
  12. The influence of y _ 2o _ 2s : eu phosphors fluorescent spectra, chroma and luminescence intensity is systematically studied when different concentration of europium is adulterated into different phosphors by means of xrd, fluorescent spectra analysis, time - basing spectra analysis, long - persistent fluorescent spectra analysis and so on ; the influence on y2c > 2s : eu phosphors structure, luminescence intensity and long - persistent curve is investigated when different concentration of mg24 " > ti4 " 1 " is adulterated into different phosphors, finding the most suited concentration of mg2 " * ti4 " 1 " ; base on the suited concentration of mg2 + > ti4 +, the influence rule on phosphors luminescence intensity and long - persistent curve with changing of eu + concentration is also studies. at the same time, by using rare - earths metals adulteration and theory of chroma synthesis, the possibility of sensitized buildup of phosphors and the synthesis of different color long - persistent phosphors is also researched

    應用x射粉末衍射( xrd ) 、熒光光譜、時間分辨光譜及磷光體長余輝壽命測試綜合實驗手段,較系統地研究了摻雜eu對熒光體y2o2s : eu熒光體的發光光譜、色度和發光強度的影響;研究了不同mg , ti含量對磷光體基質結構性能、發光強度與余輝曲的影響及其適宜的摻雜度;基此,研究了在給定mg , ti含量時,不同eu摻量對磷光體發光強度和余輝的影響規律;從稀土摻雜和色度合成原理分別探討了eu的發光敏化增強和制備不同光色長余輝磷光體的可能性。
  13. The reason why peop1e give very close attention and research interesting is that both scientific approach and rationa1 logic had shoen it ' s limitation to explain human behavior, operationa1 state, and development and reyolution vitelity, ithin organization. so the scholars attempt to find out another approach to explain the inner cultural dynamic reason of organization ' s daily operational procedure and revolution vitality

    人們之所以對其表示出極大的關注與厚的研究興趣,個中緣由在於:傳統的科學主義研究路與理性的邏輯推演,在涉及到對組織內部人的行為、組織的基本運作狀態、以及組織發展與變革活力方面的解釋上,越來越顯露其解釋力的蒼白與理論邏輯「精緻」的荒誕。
  14. In a word, ph and oc can affect adsorption characteristics of cadmium in soils, so the two - species freundlich model can improve the fitted precision on adsorption isotherms. nonequilibrium model can simulate the cadmium transport in saturated soils under steady flow condition

    本文的研究表明,不同度鎘在不同質地土壤中的吸附與土壤的ph值和有機質含量有很大關系,考慮ph和有機碳的影響,有利於提高吸附的擬合精度。
  15. The main work can be summed up as follows : firstly, we studied the thermal - field properties of vcsels, and analyzed the influences of current spreading, material parameters and operating conditions on the temperature distributions. secondly, we began with the electrode voltage and calculated the equipotential s distributions, compared the distributions of voltages and current densities in different depths of vcsels, and then studied the influences of the oxide - confining region with different position or thickness, and the different sizes of the gain - guided aperture and emitting window on the distributions of the injected current density, carrier concentration and temperature in the active region. thirdly, we realized the coupling of electricity, optical and thermal - fields, worked out the threshold voltage, calculated the distributions of the injected current density, carrier concentration and temperature under different offset voltages, and analyzed the impacts of temperature profile and carrier density on the refractive index, fermi levels and optical - field

    具體工作可以概括如下:首先,研究了vcsel的熱場特性,分析了電流擴展,材料參數和工作條件對于溫度分佈的影響;其次,從電極電壓入手,計算出激光器中的分佈,並對不同深度處的電壓和電流分佈進行比較,研究了高阻區的不同位置和不同厚度、限制層和出射窗口半徑的大小對電流密度、載流子度和溫度分佈的影響;再次,實現了電、光、熱耦合,求出了閾值電壓,計算了不同偏置電壓下的電流密度分佈、載流子度分佈和熱場分佈,分析了溫度和載流子度變化對折射率、費米能級和光場的影響;最後,給出了考慮n - dbr和雙氧化限制層時激光器中的分佈,分析了n - dbr和雙氧化限制層對vcsel電流密度、載流子度、溫度和光場分佈的影響。
  16. Above all, the system has some advantages such as high compute precision, high speed and suited for large structure analysis. during the process of the system researching, a new mesh approach based on advancing front technique for triangle elements was studied. a practical method of generating hexahedron mesh for cellular element method through transfering lines into volumes was worked out

    在軟體研製過程中,提出一種基於前沿生成法的速度快、穩定性好的平面元胞元網格自動生成方法和三維六面體網格的段轉換法;根據元胞元模型的特點,提出一種穩健性較好的三維元胞元模型消隱方法;通過對應力圖生成技術的研究,提出一種對、色帶圖、淡圖均適用的應力圖快速生成演算法。
  17. Octadecanoic acid ( oa ) / octadecylamine ( oam ) mixed monolayer were absorbed by hsa from the observation of surface pressure - molecule area ( n - a ) isotherms, differentiated curves of 0a / 0am monolayers and uv - vis, ft - ir spectra and fluorescence emission spectra of 0a / 0am lb film. the property change of 0a / 0am monolayer led to the change of crystal growth induced by the monolayer. when the concentration of hsa in subphases containing cac2o4 supersaturated solution rises from 0. 00 % ( wt % ) to 0. 10 %, cot, cod and com form beneath oa / oam monoalyer, respectively

    通過比較含不同度人血清蛋白( hsa )的草酸鈣過飽和溶液亞相上十八酸十八胺( oa oam )混和單分子膜的壓力?單分子面積( - a ),微分曲及oa oam混和lb膜的uv - vis光譜、 ft - ir光譜以及熒光發射光譜,可以看出, hsa吸附於oa oam膜上,使oa oam膜的性質改變,並且影響到oa oam單分子膜對草酸鈣晶體生長的誘導作用。
  18. The traditional distributions of temperature and concentration just mark the final state that a convection system has reached but convey the information about how the heat and contaminant is transported across the system, and therefore we cannot get to know the natural characteristics of convection

    由於傳統的溫度與分佈僅展示了對流傳熱傳質系統所達到的最終狀態,而沒有提供熱與污染物的傳輸信息或結構,因此我們無法知道對流行為的本質特徵。
  19. In order to study the photochemical activity of the product further, this dissertation, taking methyl orange as a deputy of organism, has studied the relation between the concentration of the organism and the reactive time during the process of light degradation, and, on the basis of the relation, the kinetic process of the photocatalytic degradation was achieved by the treatment on the curve of the organism concentration to the reactive time : zero order reaction of the high organism concentration, first order reaction of the middle organism concentration, second order reaction of the low organism concentration

    在產品對有機物的光降解方面,本文主要以產品光降解甲基橙溶液為例,研究了光降解過程中,有機物度與時間的關系。並在此基礎上,對有機物度與時間的曲進行了動力學處理,得出產品光降解甲基橙的動力學過程分為三步,摘要即:高度時的零級反應、中度時的二級反應和低度時的一級反應。
  20. With numerical calculations, the influences of device structure, material parameters and operating conditions on the distributions of the equipotential line, current density, carrier concentration, optical field and temperature profiles have been investigated, and the interactions between the correlative characteristics have been studied at the same time

    通過對這些相互關聯的特性進行數值計算,分析了器件結構、材料參數和工作條件分佈、注入有源區的電流密度、有源區中的載流子度、光場強度以及溫度分佈的影響,並研究了這些特性之間的相互影響。
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