粒度因數 的英文怎麼說

中文拼音 [yīnshǔ]
粒度因數 英文
gradation factor
  • : Ⅰ名 (小圓珠形或小碎塊形物) small particles; grain; granule; pellet Ⅱ量詞(用於粒狀物)
  • : 度動詞[書面語] (推測; 估計) surmise; estimate
  • : Ⅰ動詞[書面語] (沿襲) follow; carry on Ⅱ介詞1 [書面語] (憑借; 根據) on the basis of; in accord...
  • : 數副詞(屢次) frequently; repeatedly
  1. Firstly, simulate flow field of rear smoke channel, plot velocity magnitude and ash concentration distribution in section of entry of heat pipe air preheater, compare with data which were measured in guiyang power station, verify simulation to be reasonable and right. secondly, simulate all kinds of factors which affect flow field ' s uniformity such as length, thickness, location of diffluent board, ash concentration, ash diameter, and so on, find the chiefly factors. thirdly, install guide board in curve channel in rear smoke channel, then simulate its " flow field, plot velocity magnitude and ash concentration distribution

    在此基礎上模擬在冬夏兩季不同情況下,不同流速對熱管空氣預熱器壁面溫的影響;然後對影響整個流場分佈的各種素:包括分流板長、厚、偏離中心流道位置的偏離、飛灰濃、飛灰徑等素進行值模擬;最後提出在分流煙道轉彎處加裝導流板,並模擬加裝導流板后的流場分佈,得到下級空氣預熱器出口、熱管空氣預熱器進口處的斷面速場分佈、濃場分佈,以論證加裝導流板能達到流場均勻化的作用。
  2. The paper introduces that under special technology condition, nona material infiltrates through matrixes of machinery parts to refine crystal grains, increase matrix tenacity, strength and hardness, reduce friction factors and high performance and long lifetime machinery parts are manufactured

    本文介紹在特定的工藝條件下,將納米材料滲入到機械零件的基體中,使基體材料晶細化,韌性增加,強增加,硬增加,磨擦降低,從而製造出了高性能長壽命的機械零件。
  3. Nonideal focusing caused by some mechanical factors will affect measuring accuracy of a laser granulometer and thus a corresponding mathematical model for scattering light intensity is established

    摘要機械素產生的非理想聚焦對激光測量精會產生影響,對此建立了相應的散射光強學模型。
  4. On the basis of theory analysis, the average transmitted light intensity ( correspond to dc value ) was determined as characteristic parameter of raw water using photoelectric method for monitoring the fluctuation of transmitted light and photometric dispersion analyzer ( pda ). the dc value was closely related to both particle concentration and surface area of sand clay simultaneously. the experimental results shows that there is an exponential function relation between dc and surface area of sand clay in unit volume water ( sp ) : dc = asbp in which a and b are empirical coefficients. then the formula of macromolecule flocculant dosage is found to be d = f ( dc ) = e ( dc ) f in which e and / are empirical coefficients and the average correlation coefficient equal to 0. 981. so the model of automatical control system of water treatment plant was established using the formula

    應用透光率脈動檢測技術和光散射顆分析儀( pda ) ,通過理論分析,將pda的輸出信號之一? ?平均透光強(對應于dc值)作為原水的特性表徵參, dc值可以同時反映顆和比表面積素的影響,試驗結果證明, dc值與單位體積水中泥沙顆總表面積s _ p之間具有很好的冪函關系: dc = cs _ p ~ d ,式中c 、 d為經驗系,進而得到了以dc值為參的高分子絮凝劑投藥量公式: d = f ( dc ) = e ( dc ) ~ f ,式中: e 、 f為經驗系,平均相關系達0 . 981 ,利用所建立的公式,建立了前饋? ?后饋聯合控制的在線自動投藥模型。
  5. The mainly work has : the relation of boron contents and the average liner burning rate, through which chooseing suitable boron contents in these delay compositions ; the impact of different particle diameters on delay characteristics, by the means of granularity classfication ; the impact on delay characteristics through pre - treatment to the raw materials and improvement of mixing means ; and some other factors, such as the pressure of charge, loaded times, the charge mass of delay composition ; at last, the mechanical intensities of boron based delay compositions with some different binders

    主要的研究內容有: b含量與線性平均燃速的關系,並由此選用b含量適合的延期藥;通過原材料的細化與分級,研究了對延期性能的影響;原材料預處理和混藥方式對延期性能的影響;以及影響延期性能的其它素,如壓藥壓力、壓裝次、裝藥量等;最後還研究了含不同粘合劑的硼系延期藥的壓藥藥柱強(機械強)等。
  6. And seven main characters was showed notability difference was used to principal components analysis and six characters for influence of single plant grain weight was used to pathway analysis

    結果表明, 7個主要農藝性狀經主成分分析可歸結為3個主成分子,對產量影響較大的素分別為子、子和長子。
  7. Abstract : the effect factors of grinding roller surface roughness areanalyzed and experimented. the law of effect factors such as roller rotary speed, grinding wheel granularity, grinding liquid and so on, about roller surface roughness is obtained. the mathematical model of roughness is established through regression

    文摘:對影響磨削輥面粗糙素進行了系統分析和實驗研究,得出了軋輥轉速、砂輪速、砂輪、磨削液等素對磨削輥面粗糙影響的一般規律,利用回歸分析的方法建立了粗糙學模型。
  8. Unfortunately, in a websphere application server environment, these operating system protections are of limited value because they are based on process identity, which is a very coarse - grained concept when you consider application servers servicing requests from thousands of users at once

    遺憾的是,在websphere application server環境中,這些操作系統保護的價值比較有限,為它們是基於流程識別的,當考慮到應用服務器同時接受千用戶發出的請求時,這是一個非常粗的概念。
  9. Effects of diamond particles and their adding contents on the coating hardness, friction coefficient, wear resistance, corrosion current density and microstructures were studied

    研究了金剛石子及其添加量對塗層硬、摩擦、耐磨性能、腐蝕電流密和微觀組織的影響。
  10. The particle collection facility was developed based on the rule of particle colliding and congregating in high acceleration srm. the coagulate pattern of particle was gained through electron microscope scanning. percentage distribution of particle numbers and mass according to particle diameters was obtained

    通過子收集試驗和對收集到的子進行電鏡觀察,分析了子的聚集特點,獲得了試驗條件下的顆和質量分隨顆直徑的分佈曲線,並針對溫素進行了修正。
  11. This text completely and systematically studies the status and the development of the pyrolysis and the fluidization of biomass, which distill the bio - oil in the domestic and international area, as well as the existing problems. this thesis primarily include following aspects : ( l ), by experimenting and measuring the energy ( heat value ) and the content of c, h, n chemical element of right 20 kinds of common biomass, on the base of the experimental result, and respectively established the biomass energy predict experiment formula with the element of h and c is from change, and passed the ro. os examination, which provides the basis and convenience for flash pyrolysis fluidization device energy to convert the rate to compute with biomass energy utilization calculation ; ( 2 ), proceeded the tg and dtg experimentation equal velocity ( 10 ? / min, 20 ? / min, 40 ? / min, 60 ? / min ) heating and constant temperature heating by studying on eight kinds of biomass samples, according to the experimental data and arrhenius formula, we established the dynamics model of pyrolysis of, then, using the goast - redfern and p function, we also solved the dynamics parameters and analyze out every kind of biomass ' s frequency factor and parameters of activation energy, and established the every kind of dynamics model of pyrolysis of biomass, all of these provide the theories and basis to make sure the reactor ' s flash pyrolysis work temperature scope design and the describing of pyrolysis reactor dynamics ; ( 3 ), in order to study and ascertain the process of heat completely getting to pyrolysis time of varied size biomass particles, we observed and measured the ratio of length and diameter ( l / d ) with the varied biomass through electron microscope, we concluded the l / d ratios usually is from 5. 0 to 6. 0, the average is 5. 3 ; ( 4 ), we studied the process of biomass transiting and the theory of complete pyrolysis time with the theory of complicated heat field, we got the time ( t ) of the varied size biomass particles arriving to complete pyrolysis, and we knew that the complete pyrolysis time and the time which get to the biggest production ratio are identical, all of these studies provide the theory base for design and forecasting the flash pyrolysis reactor solid state resort time ; ( 5 ), according to the above experiment result, synthesize to make use of the engineering the mechanics, engineering the material, machine the design to learn the principle, deduce, establish the theory of rotation cone flash pyrolysis reactor material resort time ( t ) and reasonable rotation velocity ( or frequency ) relation theory ; and ( 6 ), we gave the reactor ' s smallest cone angle certain, reactor cone wall strength design theory, the reactor production ability theory, the power design method and the critical rotation velocity theory

    本文較全面、系統地綜述了國內外生物質熱解液化制取生物燃油技術研究發展現狀及存在的問題,主要研究內容有: ( 1 )實驗、測定了20種常見生物質的能量(發熱量)和c 、 h 、 n元素含量,根據實驗結果分別建立了以h和c為自變量的生物質能量預測經驗公式,並通過r _ ( 0 . 05 )檢驗;為閃速熱解液化裝置能量轉化率計算和生物質能量利用率計算提供了依據和方便; ( 2 )選擇了8種生物質試樣作了等加熱速率( 10 min 、 20 min 、 40 min 、 60 min )和恆溫加熱的tg和dtg實驗,根據實驗據和阿倫尼烏斯公式建立了生物質熱解反應動力學微分方程,並採用goast - redfem積分法和p函對其動力學參進行了求解,解析出各種生物質的頻率子和活化能參,進而建立了各種生物質的熱解動力學模型,為科學確定反應器的閃速熱解工作溫范圍及熱解反應動力學描述,提供了理論和依據; ( 3 )為研究和確定不同尺的生物質顆中心達到全熱解的時間,在體視顯微鏡下對不同的生物質顆的長徑比進行了實驗觀察和測定,得出生物質的長徑比( l d )一般在5 . 0 6 . 0之間,平均為5 . 3的結果; ( 4 )採用復雜溫場傳熱學理論對生物質傳熱過程及充分熱解時間理論進行了研究,解析推導出了不同尺寸生物質顆中心溫達到充分熱解溫的時間( t ) ,得出了理論推導的充分熱解時間與最大產油率的熱解時間相一致的結果,為閃速熱解反應器固相滯留時間設計和預測提供了理論依據; ( 5 )根據上述實驗結果,綜合運用工程力學、工程材料、機械設計學原理,推導、建立了轉錐式閃速熱解反應器物料滯留時間( )與轉速(或頻率)合理匹配理論; ( 6 )提出了轉錐式閃速熱解反應器的最小錐角設計、錐壁強設計、生產能力設計理論和功率計算方法及臨界轉速理論等。
  12. And grindintg experiment based on uniform design is conducted. depending on data process system, the regression model of production efficiency, output per degree and particle are established. through single factor analysis on all experimental indexes, the law that the bottom corner, height, bottom length of trapezium and spacing influence the hammer mill capbility are achieved

    並採用均勻設計方法安排異型粉碎室粉碎試驗。利用據處理系統,建立生產率、電產量、的回歸方程。對各試驗指標進行了單素分析,研究梯形篩片的底角、高、間距和下底長對粉碎性能的影響規律。
  13. The design parameters of liudong waterworks showed that, the rate of the up - flow filtration improved over 50 % comparing to the normal down - flow filtration. so its filter area is less one - third than the others in same scale for less investment. it is a promise filtration technology especially suitable for the cases of filter renovation in order to increase its filtrate

    按該技術成功運用的典型柳東水廠的設計參,反濾池較一般快濾池濾速可提高50以上,此,其面積比同規模的其他濾池至少減少1 3 ,從而節省了大量的基建投資,經營費亦有減少,特別適用於水廠濾池挖潛改造,這是一種有潛力的過濾技術,尤其適用於對濾池進行改造以提高其產水量這樣的情況。
  14. In twt photonic burst network, the bandwidth granularity is a single timeslot rather than a whole wavelength, so the bandwidth can be used more efficiently ; what is more, the dynamic bandwidth allocation is based on the reservation information of every edge node, so it can meet the challenge of burtsy ip traffic

    在twt光突發網路中,帶寬分配的被減小至單個時隙,而不是整個波長,此能夠使得帶寬的利用更充分有效;另外,帶寬的分配是依據各邊緣節點的帶寬預約信息而動態進行的,此能夠適應ip據流量具有的高突發性。
  15. The extraction technology of carotenoid from arctium lappa l is under study in this paper, and the effects of factors like extraction temperature, extraction times, granularity of burdock dusts, and solid - liquid ratio on the extraction rate of carotenoid are examined through single factor and orthogonal experiment

    摘要考察了牛蒡中類胡蘿卜素的提取工藝,並通過單素實驗和正交試驗研究了提取溫、提取次、物料粉碎、料液比等素對類胡蘿卜素提取率的影響。
  16. The influences of the given speed, the size of the grain and the static load on the numerical controlled ultrasonic machining efficiency were discussed, the grey system theory was used to carry on the related analysis to these three factors, the main influence factors and secondary influence factors were found out, this can be used as the criteria in setting up the parameters in ultrasonic machining

    探討二維控超聲加工中工具移動速、磨料、靜壓力對超聲加工效率的影響,運用灰色系統理論對這三個素進行了灰關聯分析,找出影響加工效率的主要影響素和次要影響素,為超聲加工中參的設置提供了依據。
  17. After the various visual defects during drilling processes were analyzed, the importance of drilling with compressive pre stress was presented

    以加工效率為指標,通過正交試驗對鉆頭的磨料、濃、水槽和壁厚等素進行了優化分析,確定了適宜的刀具參
  18. Compound powders of tib2 and mgo were prepared by ball milling with tio2, b2o3 and mgo as raw powders. the changes of temperature and heat effect of reaction during ball milling were studied, and reactive thermodynamics was analyzed. components, granularity and microstructure of the resultants were examined, and the crystal lattice constants of the resultants was computed and analyzed

    研究了tib _ 2制備過程中的溫變化和熱效應,並對反應的熱力學進行了分析;檢測了生成產物的成分、粉末和組織形貌;對球磨后產物的晶格常等進行了分析計算;對反應原料tio _ 2粉、 b _ 2o _ 3粉和mg粉組成的三元系進行了dta分析;研究了tib _ 2球磨製備過程中的動力學影響素;對球磨反應的機理進行了探討。
  19. Although sdh transmission is being widely applied in the core network, its tdm - based nature implies some weaknesses, such as large bandwidth granularity and inflexible bandwidth allocation, making it not suited to the access network where users are in great number and bandwidth demand is unpredictable. so the application of sdh in the access network is somewhat limited

    雖然sdh傳輸技術正在廣泛地應用於核心級網路中,但是為它採用時分復用的機制,具有帶寬的顆太大,帶寬分配不靈活,不適合於接入網中用戶量多、帶寬需求不確定等特點,所以sdh技術在接入網中的應用受到一定的限制。
  20. However, the second technology has the following disadvantages : first, data paging and tmrm generating are integrated into one modulate, next, data structures they used are very complicated and large, in addition, the work of data preprocessing is very heavy and frequently data paging need the server with high performance, at last this paging method is very difficult for implementation. as for the first technology, an important advantage of it is that the data paging and tmrm generating are not interdependent, so it will be more e asily applied in practice than the second one. as an implementation of the first technology, lindstrom introduced a method which uses quadtree and triangle binary tree to organize terrain data and adopt multithread mechanism to realize the data process

    而第一種流式處理技術盡管一次調入的據量稍大,但其據調與多解析模型的生成在功能上是相互獨立的,如果處理得當更容易在實際工程中得到成功的應用,對於它的實現, lindstrom提出了利用四叉樹及三角形二叉樹進行地形據組織並利用多線程機制進行據調與簡化的流式處理方法,但該方法的缺點是:其據結構依賴于地形的物理分割,據結構龐大;多解析模型生成的計算量也依賴於物理分割的,即物理分割較粗時,據范圍增大,計算量會急劇增加;該方法不能實現模型的增量生成。
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