計數濃度 的英文怎麼說

中文拼音 [shǔnóng]
計數濃度 英文
number concentration particle number concentration
  • : Ⅰ動詞1 (計算) count; compute; calculate; number 2 (設想; 打算) plan; plot Ⅱ名詞1 (測量或計算...
  • : 數副詞(屢次) frequently; repeatedly
  • : 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
  • : 度動詞[書面語] (推測; 估計) surmise; estimate
  • 計數 : count; tally; counting計數卡 numbered card
  • 濃度 : potency; thickness; concentration; consistence; strength; consistency; density
  1. 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等溫線中的最大吸附量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cs具有真實的含義,相應地,算得到的溶質的固/液分配系p就有了準確值.分別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/固體系分配系等,為溶質吸附的熱力學研究奠定了基礎
  2. The additional flow is formed by the device of dentoid baffle, and the application of the device of dentoid baffle cooperated with a stilling basin has been investigated by systematic model tests. based on the research results, the hydraulic problems such as the characteristics of hydrodynamic pressure and cavitation on the head of the denotid baffle, the properties of flow under the condition that the device of denotid baffle is used with a stilling basin, the hydraulic computation about a stilling basin, the estimation of energy dissipation and its various affection factors, the mechanism and effect of energy dissipation, and distributions of velocity and pressure and aerating concentration, etc, have been analyzed ; the method and step of hydraulic design of device of denotid baffle by which the additional flow is produced has also been proposed

    文中利用齒墩設施實現附加射流,對齒墩設施與消力池聯合應用進行了大量的和系統的模型試驗,分析研究了中低佛勞德條件下,齒墩墩頭的動水壓強及空化特性,齒墩設施與消力池聯合應用時的流態特性,消力池的水力算,消能量的估算及其各種影響因素,消能機理和效果,消力池內的流速、壓強特性,摻氣分佈等水力學問題,並提出了實現附加射流齒墩設施的水力設方法和步驟。
  3. If an aerosol counter is used to monitor the concentration of particles in the emerging air, one finds that the concentration falls off with decreasing flow rate.

    如果用一臺氣溶膠器檢測射出氣流中的粒子,就會發現隨流速的降低而減少。
  4. The geiger counter registered a high concentration of radioactive particles

    蓋革器示出放射性粒子的高
  5. Plot, on the graph paper ( on the next page ), the absorbance measurements for your thiocyanate standards against the concentration ( micromoles / ml ) of the standards. this has a value of 6 marks

    在下一頁作圖,橫軸為硫氰鹽離子,縱軸為分光光(吸光值) 。此題6分。
  6. Take the average absorbance of your cauliflower homogenate and determine the thiocyanate ion concentration using the previously plotted graph. this has value of 5 marks

    利用前一題所畫出來的圖,將所有的花椰菜均質液的分光光(吸光值)平均,並算花椰菜均質液中硫氰鹽的。此題5分。
  7. 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、壓力、液位、可燃氣等傳感器供電,採集傳感器信號並進行線性化、溫補償等處理,完成密、體積和質量等參算,將據輸出到modbus現場總線測控網路,根據需要現場顯示測量參
  8. This article aims at the boiler ' s problems in operation : 1 ) under nominal load, the smoke temperature at the outlet of hearth reaches 1200, far more exceeds 1050 the original designed temperature. this will always result in slag inside boiler and the temperature of overheater ' s pipe superheat, so that boiler cannot take nominal load and all these influence boiler ' s nomal operation heavily, 2 ) this article also studied the reason why the assistant oil becoming necessary when coal changes. during the nomal operation, many factors ( makeup of combustor and its disposal, smirch and encrust of water wall, excessive air coefficient, temperature of primary air, coal type and density of coal dust ) can deviate the designed working conditions, then affect the boiler ' s nomal operation

    本文針對該鍋爐在實際運行中存在的問題:在額定負荷下,爐膛出口超溫、低溫段過熱器前煙溫高達936 ,遠遠超過815的設值;噴燃器四周水冷壁結焦嚴重,過熱器管壁溫超標,無法帶上額定負荷;甚至有時因燃煤質量的變化,必須投油助燃的嚴重情況進行了分析研究。在實際生產過程中,燃燒器的結構、布置,水冷壁的粘污、結垢,過剩空氣系、一次風溫、煤種及其變化等許多因素都會偏離鍋爐的設工況,從而影響爐內的傳熱和燃燒,造成爐膛出口超溫、水冷壁結渣等問題。
  9. Abstract : the thermogram of s. dysenteriae of fungistatic action w as determined and the growth rate constant at different concentration of medicin e was calculated, and the optimum allowable concentration of the co salt complex abtained

    文摘:微量量熱法測定並研究算了在不同的鈷配合物作用下痢疾桿菌的生長速率常和最佳用藥量。
  10. The determination of human thymidine kinase ( htk ) in human serum, which is a key indicator of cancers can give information for the diagnosis and treatment of the malign diseases. the protein a layer was first self - assembled onto the gold electrode surfaces of quartz crystals, the monoclonal antibodies were then orientedly immobilized through the specific binding between the fc terminals of the antibodies and the self - assembled protein a. with this sensor, the affinity constant of antigen - antibody binding was estimated to be 1. 85 106 l / mol according to the scatchard ’ s plotting method, which proved the high bioactivity of antibody. finally, an amplified piezoelectric immunosensor was designed to determine the htk in

    實驗中將蛋白a吸附於鍍金壓電石英晶體電極表面,用於定向固定htk單克隆抗體,成功研製了檢測htk的壓電石英晶體傳感器,並基於標準scatchard繪圖法,算出免疫反應的親和常為1 . 85 106l / mol ,證明該單克隆抗體具有較高的免疫活性;同時基於酶催化沉澱技術,設了的檢測htk的質量放大壓電石英晶體傳感器,該傳感器可在0 . 1 - 10ng范圍內對htk進行定量檢測,應用此傳感器成功地對5種癌癥病人血清中htk的進行了測定,實驗結果為癌癥的臨床診斷與治療提供了參考。
  11. At last, the radiation transmit process in smokescreen is discussed, and the transmitted radiation energy distribution is obtained from extinction characters of particles. the relationship between transmittance and smokescreen concentration is experimental studied, the experiment results agrees with calculated results. we also discuss the application limit and error of lambert - beer law in smokescreen studies

    本文最後討論了輻射在隨機分佈微粒形成煙幕中的傳輸過程,根據煙幕微粒的消光特性算出輻射通過煙幕後的能量分佈情況,討論了在煙幕研究中應用lambert ? beer定律的誤差問題,並對透過率隨煙幕的變化情況進行了實驗研究,結果表明,理論算結果能夠與實驗據較好吻合。
  12. In the second place, based on the asu of buggenum igcc plant in netherlands, both static and dynamical model for distillation tower of the asu are created and some valuable conclusions are gained as well. finally, a compartmental simplified model is created for distillation tower of the asu, in order to reduce the simulation time and increase the simulation efficiency. the new model will be helpful to the further simulation and on - line optimal control for the asu of the igcc plant

    其次,本文以荷蘭buggenum電站的空分系統為原型,基於matlab建立了空分系統精餾塔的半圖形化動、靜態學模型,並通過模擬,得出了一些有價值的結論:當空分系統的壓力變化時,氧氣產品的響應時間常為兩小時左右,說明空分系統是igcc電站最大延遲環節;而且雖然氧氣最後會穩定在igcc電站所要求的范圍之內,但在過渡過程中會超出限制,這些都為igcc電站的安全運行及控制系統設提供了有價值的信息。
  13. 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,系統採用紅外線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、氣孔導和細胞間隙co _ 2等與植物光合作用相關的參
  14. Firstly, it is necessary to determine the variation of ddmbac concentration during coagulant sedimentation. according to basic theory of statistical analysis, the analytical method of ddmbac, which was based on modification, optimization and perfection of spectrophotometric method using acid blue 1 #, was developed in this paper

    為確定混凝沉澱過程中陽離子表面活性劑ddmbac的變化,本文從基本的理統理論出發,對陽離子表面活性劑檢測方法酸性藍分光光法進行了改進、優化和完善,建立了適于本研究中測定ddmbac的分析方法。
  15. Second, based on the characteristic of the receiving water studied in this paper, develope a dynamic one - dimension water quality model for nanbei river in zhangcha town of foshan city, and develope a program of water quality model based fortran powerstation. and then, calculate the concentration of codcr in receiving water using the simulation results of swmm and analyze the effect on the environment of receiving water by intercepting ratio. at last, the construction investment and operational and administrative expenses of intercepting trunk sewer 、 pumping station and sewage farm is calculated and the relation between them is discussed

    其次,本文根據研究區受納水體的特點,建立了佛山市張槎鎮南北大涌的一維非穩態水質模型,相應地開發了基於fortranpowerstation平臺的水質模型算程序,並在swmm模型模擬結果的基礎上,利用本文編制的水質模型程序算了不同截流倍時南北大涌codcr的時空變化過程,分析了截流倍對河涌水環境質量的影響。
  16. With analyzing of the case study and based on simulating and analyzing quantitatively, this article, considering the goal of the performance - based fire - protection design is protecting occupants from being injured and keeping buildings from being damaged, thought that fire compartmentation of a large building of saling books can be divided according to their saling malls and fire compartmentation in the saling mall can be separated by the fire - proof screen. on the evacuation design, the quantity of safety exits around these buildings and the evacuation width should be increased if possible and the safety exit number, exit width and evacuation distance can be determined according to the simulating results on smoke layer temperature and height, concentration of co2 and co, occupants evacuation time and visibility. on the means of preventing and discharging smoke, the most proper measure should be determined according to their geometrical characteristics and the natural means of discharging smoke is feasible to the large building of saling books. based on analyzing of smoke

    通過對案例分析研究,本文認為大型書城建築性能化防火設研究的最終目的是保證人員生命安全和保證建築結構安全,在模擬算和量化分析的基礎上,大型書城的防火分區可以將中庭連通的書城區域劃分為一個區,在書城場地內可以採用防火卷簾進行防火分區劃分;在人員疏散設中,應盡可能利用書城賣場的空間設較多的安全出口和增大疏散寬,其安全出口量、寬和疏散距離可以根據人員安全疏散時間和煙氣溫、沉降高、 co2、 co、能見模擬算結果驗證確定;在防排煙方式的選擇上,應當根據建築物的幾何特點選取最適宜的措施,就大型書城建築而言,採用自然排煙的方式是可行的。
  17. Based these researches acquired and using a mathmatical model, this thesis tries to research the contaminant concentration distributions of three - dimention indoor turbulent flow by means of computational fluid dynamics and heat transfer, and then works out the ventilation efficiency

    本文企圖在前人的基礎上,通過建立相應的學模型,用流體流動算方法來模擬室內三維的紊態氣流中的污染物分佈,進而分析算室內的通風效率,得出通風效率較好的室內氣流組織形式。
  18. The disturbed flow caused by three six - storied residential buildings and a twenty - storied tall tower, respectively, as well as the distribution of traffic tail gas from a nearby road, are simulated by using an urban climate model

    應用城市氣候值模式,分別算了3棟6層住宅樓和1棟20層住宅樓兩類建築形式產生的風場,以及在此風場中街道汽車尾氣的分佈。
  19. Methods for testing the performance of dust particle counter - particle concentration

    塵埃粒子器性能試驗方法顆粒
  20. ( 3 ) a testing system consisting of pressure transducers, data - collecting card, computer and electrical - ignition instrument was designed and a flammable gas cloud deflagration experimental system was developed. based on the orthodoxy experiments, the experiments was conducted on c2h2 - air flame acceleration resulted from hemispherical porous barriers in hemispherical gas cloud. the relations between the explosion overpressure and its influence factors were summarized

    ( 3 )本文設了由壓力變送器、據採集卡、算機和電火花裝置組成的測試系統,建立了可燃氣雲爆燃實驗系統;以化學的乙炔-空氣混合物為實驗介質,在正交實驗的基礎上,對半球形氣雲內部與氣雲同心的半球形多孔障礙物對火焰的加速作用進行實驗研究,並歸納出爆炸超壓與其影響因素之間的關系;同時還考察了障礙物量對爆炸超壓的影響。
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