最佳水量 的英文怎麼說
中文拼音 [zuìjiāshuǐliáng]
最佳水量
英文
optimum water- 最 : 副詞(表示某種屬性超過所有同類的人或事物) most; best; worst; first; very; least; above all; -est
- 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...
- 量 : 量動1. (度量) measure 2. (估量) estimate; size up
- 最佳 : the best; optimum
- 水量 : water yield; the yield of water水量計[表] watermeter; 水量平衡 water balance; 水量收支 water budget
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It is shown that the effect of pac removing fluoride is closely related to ph value and the optimum range of ph value is between 6. 1 ? 7. 1. under this condition, further studies are made on the optimum coagulant dosage, mixing time, artificial turbidity, filtration rate and filter bed ' s depth and the optimum range of these parameters have been determined
堿式氯化鋁的除氟能力與原水的ph值有密切的關系,除氟最佳ph值范圍為6 . 1 ? 7 . 1 。在此條件下,進一步對最佳投藥量、混合時間、反應時間、人工輔助投加濁度、濾速及濾層厚度進行了研究,確定了其最優的取值。This paper analyzes the factors affecting the controlling precision of sand compactibility system and sets up the dynamic model of regression coefficient between sand compactibility and water content. to prevent the insufficiency or excess of sand water content, the amount of the first addition is set as 80 % of the total water addition amount. after the first water addition, we adopt ar model to predict the stable value of sand compactibility to shorten the time mixing the sand. each time we add water, the correction coefficient is introduced to adapt to the change in the composition of sand. the experiment shows that the mathematics model not only makes the water content in sand reach the best range within shorter time, but also directs how the sand composition should be adjusted, which can better conform to the actual situation
分析了影響型砂緊實率控制精度的因素,建立了型砂緊實率-水分回歸系數的動態模型.為防止型砂水分不足或過量,將第一次加水量設定為總加水量的80 .第一次加水后,對型砂緊實率穩定值採用ar模型進行預測,以縮短型砂混制時間.每次加水后,引入修正系數,以適應型砂組成的變化.實驗表明,該數學模型不僅使型砂水分含量在較短時間內達到最佳范圍,同時可指示對型砂組成進行調整,能較好地符合實際情況In this paper, the effects of fly ash, cement, lime, fine sands, foam agent, w / c ratio and additional agent on foamed concrete were studied by experiments, the best combination ratio of fly ash foamed concrete whose density varies from 551kg / m3 to 650kg / m3 was obtained through orthogonal test design, the foam agent quantity and the fly ash quantity effect the fly ash foamed concrete greatly, so the author selected them as independents to establish duality linear regression equations, the equations were quite ideal through the test of model summary r. moreover, the author also did some experiments about the water resistance of magnesium oxychloride cement fly ash foamed concrete, the outcome showed that phosphoric acid has good effect on water resistance, and its appropriate quantity was found
本文通過試驗研究了粉煤灰、水泥、石灰、細砂、發泡液、水灰比及外加劑對粉煤灰發泡混凝土性能的影響,採用正交設計試驗方法得出了600級粉煤灰發泡混凝土的最佳配合比,同時發現發泡液和粉煤灰摻量對發泡混凝土的影響最為顯著,因此,以二者為自變量建立了二元線性回歸方程,通過全相關系數的檢驗發現方程較為理想。此外,還對氯氧鎂水泥基粉煤灰發泡混凝土的耐水性進行了相關實驗,發現磷酸有較好的耐水性效果,同時找到了其合適的摻量范圍。These additives have no adverse effect on the properties of the coating, and the optimum contents of them are : hydrophobic additive 6 %, sepiolite 6 % and expanded pearlite 3 %
在該材料中疏水添加劑的最佳含量為6 ,海泡石最佳含量為6 ,膨脹珍珠巖的最佳含量為3 。At the same time, we further study the affection of the coagulant aids active silica acid and oxidizing agent hydrogen peroxide upon the efficiency of coagulation. results show that the suitable preoxidation and adding coagulant aids can enhance the coagulation effect. the best dose are : [ fe3 + + al3 + ] / [ sio2 ] = l / 2 for active silica acid and 4mg / l for the oxidizing agent,
同時,對助凝劑活化硅酸和氧化劑雙氧水對混凝效果的影響作了進一步的研究,發現經適當預氧化和添加助凝劑可強化混凝效果,適宜劑量分別為:活化硅酸的最佳添加比例為[ fe ~ ( 3 + ) + al ~ ( 3 + ) ] [ sio _ 2 ] = 1 2 ,氧化劑雙氧水最佳劑量為4mg l 。The optimum conditions for air electrode preparation were shown as follow : 20 % ptfe and 20 % mno2 in active layer, thickness of active layer 0. 15 - 0. 25mm and the ratio of active carbon to ethine black 4 : 1 ; 60 % ptfe in the gas diffusion and waterproof layer, employing na2so4 as pore - making agents, thickness 0. 35 - 0. 45mm, colding forming and layer sequence catlytic layer / gas diffusion and waterproof layer / current collector layout ; employing 40 meshed nickel screen as current collector and thermal treatment temperature over 200
確定了制備空氣電極的優化工藝條件,催化層中ptfe含量約20 , mno _ 2的最佳含量約為20 ,催化層中活性炭和乙炔黑的比例為4 : 1 (質量比) ,厚度在0 . 15 - 0 . 25mm之間。防水透氣層中ptfe的含量約為60 ,以無水硫酸鈉作為造孔劑,厚度一般為0 . 35 - 0 . 45mm 。電極各層採用催化層/防水透氣層/集流體的排布方式,冷壓成型,熱處理對空氣電極的性能影響較大,熱處理溫度不低於200 。For the uf progress, the service pressure control below 0. 12mpa is quite reasonable. the best water flushing method is direction flushes - the recoil flushes - suitable flushes. the best flush time is 60 - 80s ; the best recoil washes current is about 2 - 2. 5 times of the produce water current
2 .在超濾工藝中,操作壓力控制在0 . 12mpa以下比較合理;最佳水力沖洗方式為順沖-反沖-順沖;最佳的反沖洗時間為60 - 80s ,最佳的反沖洗流量為產水流量的2 - 2 . 5倍。Abstract : to improve water quality of a running water plant, headwater of which is the fuyang river in handan city. using bone glue as a coagulant, the static and unstatic experiments are carried out, the optimum bone glue dosage is found out
文摘:針對邯鄲市滏陽河水的水質特點及地表水廠的現狀,在不進行大規模的土建改造和大幅度提高運行費用的前提下,採用骨膠作為助凝劑,進行靜態實驗和動態實驗,尋找出骨膠的最佳投量范圍,達到了改善水質的目的。The conclusions are as follows : ( 1 ) the compose of rpc has an effect on the bond behavior between cfrp bars and rpc : the bond strength between cfrp bars and rpc will increase with the decrease of water to cement ratio, but doesn ’ t obviously ; the adding of steel fiber can improve the bond behavior between cfrp bars and rpc significantly, but steel fiber will also effect the workability of rpc, consider the bond behavior and economy, the content of steel fiber should be 2 % ;. silica fume can improve the bond strength between cfrp bar and rpc, but the bond strength isn ’ t in proportion to the content of silica fume, in this experiment, the optimal content of silica fume is 0. 25 to 0. 35
試驗研究得到如下結果: ( 1 ) rpc的材料組成對rpc與cfrp筋粘結強度的影響: cfrp筋與活性粉末混凝土的粘結強度隨著水膠比的降低而提高,但是提高的幅度並不明顯;鋼纖維的摻入,可以顯著提高cfrp筋與rpc的粘結強度,但是鋼纖維的增強效果與摻量並不是線性增加的關系,從綜合經濟性及粘結強度兩方面考慮,鋼纖維的最佳摻量為2 % ;摻入硅灰有利於改善粘結性能,但其摻量有一最佳范圍,在本次試驗中,硅灰的最佳摻量為0 . 25 0 . 35 。The article introduces the basic concepts and common methods of fuzzy mathematics, initially discussing the applications of fuzzy mathematics in the following aspects : 1 ) division of " skidding " strata with grade of membership that are drilled with diamond bits ; 2 ) comprehensive evaluation on the application in evaluation of diamond bits, classification of rock drillability, and evaluation of clay ; 3 ) classification of " hard rock " through fuzzy clustering analysis ; 4 ) estimation of completion time of boreholes and evaluation of underg round water with fuzzy mathematics ; 5 ) identification of new ore areas and option of best water resource area with fuzzy model ; 6 ) option of diamond bits and evaluation on oil field development plan with fuzzy resemble option and the improved calculation method ; ? ) prediction of mud slurry performance and of the amount of surging water in ore pits with fuzzy control ; 8 ) comprehensive evaluation of diamond bits and supporting plan of deep foundation pit with fuzzy optimal theory
初步探討了以下幾方面的應用: 1 )用隸屬度劃分金剛石鉆進「打滑」地層; 2 )綜合評判在金剛石鉆頭評價、巖石可鉆性分級及鉆探造漿粘土評價中的應用; 3 )用模糊聚類分析進行「硬巖石」分類; 4 )用模糊數進行鉆孔竣工時間預估及地下水質評價; 5 )模糊模式識別在新礦區類型識別和最佳水源地選擇中的應用; 6 )模糊相似選擇及其改進演算法在金剛石鉆頭選擇和油田開發方案評價中的應用; 7 )模糊控制在泥漿性能和礦坑涌水量預測中的應用; 8 )優化理論模型在金剛石鉆頭和深基坑支護方案綜合評價中的應用。The production volume of high - frequency quartz crystal display was yet to reach a level that reaps most benefit from economies of scale
高頻石英的產量目前尚未達致規模經濟效益的最佳水平。The shrinkage reducing rate can reach to 70 % at the 7th day, and the shrinkage reducing rate can reach to 40 % at the 28th day. it doesn ’ t reduce the intension of the concrete. it can have an ability of 10 18 % of reducing water rate
通過對比試驗發現,聚丙烯酸鹽類減縮劑的最佳摻量為水泥質量的1 . 2 % , 7天減縮率可達70 % , 28天減縮率可達40 % ,且不降低混凝土的強度,具有10 18 %的減水率,有一定的緩凝作用。Frequency of pneumatic drive is controlled by solenoid valves. frequency of piston is adjusted by operator according to the current production data so as to get the maximum glue current and reduce the waste of glue
操作者根據當前的生產數據適時調整活塞往復頻率,以達到最佳流量,減少膠水非生產性消耗。And a design principle of excellent performance on ion transfer resistance, wear resistance and corrosion resistance is brought forward. the physical chemistry performances of pigments and their application in cementitious materials are studied. the sorts and optimum quantities of them are determined through test and comparison
研究探討了顏料的物理化學性能及其在水泥基材料中的應用,通過測試與比較確定顏料的種類及最佳摻量;通過研究材料彼此間性能的相互作用與影響,復配出hpch的顏色體系,同時選擇合理的生產方式,以保證hpch的材料性質。On the basis of the theory of the fuzzy optimize design and the fuzzy compositor and the normal engineering mathematics method, the mathematics models of confirmation of optimize quality standard and quality cost proportion in the design sage is put forward ; the real time control model in the construction stage is put forward based on the fuzzy control theory. the three models are all easily handled and precise and could be used in real work
本文運用模糊數學的原理,提出了工程設計階段的最優質量水平的計算模型、最佳質量成本比例的計算模型;在施工階段則根據模糊控制原理,提出了質量成本的實時控制模型。這三個數學模型都具有良好的可操作性和精確度,有一定的工程實際意義。( 4 ) according to analysis of water resources characteristics of the dam system, following conclusions are obtained : amount of yearly available water resources of the dam system presents uncertainty ; water resources utilization by the dam system should focus on fully utilization of rainfall, runoff and flood ; meanwhile, water resources exploration of the dam system should reach the objective of maximum economic benefit in years ; a modeling system for water resources utilization and exploration by the dam system is established on the basis of reasonable investment and above objectives
對壩系水資源的特點進行了深入研究,得出以下結論:壩系水資源年可利用量具有較大的隨機性;開發利用壩系水資源就是充分利用降雨和徑流洪水;壩系水資源開發應以多年經濟效益總體期望值最大為目標。同時引入了最佳水資源投入量的概念,並建立了壩系水資源開發利用模型。Measures for further developing concrete mix design were presented based on above work. for example, adopts pfca as an index in designing durability of concrete, uses mortar slump flow test to select cements and water - reducers and to measure saturation dosage of water - reducer in mortar and then determine optimum dosage of it in concrete, uses bar - slump test to determine stability and fluidity of fresh concrete, and consequently, the workability of high fluidity and high stability concrete such as pumped or self - compacting concrete can be designed by adopting proper cfvm determined in terms of rheological properties of designed mortar measured with cone - based rheometer
如採用粗集料破碎率作為耐久性設計的一個指標;採用砂漿坍落擴展度試驗選擇水泥和減水劑,確定砂漿中減水劑的飽和摻量,並通過上述數學模計算混凝土中減水劑的飽和摻量,以此為參照確定最佳摻量;採用障礙坍落度試驗確混凝土的穩定性和流動性,結合由漏斗式砂漿流變儀測定的砂漿流變性能確定合理的砂漿填充系數,從而實現對高流動性高穩定性要求的混凝土(如泵送和免振自密實等)的工作性設計。However, the factors of society and economy were taken into account, the best concentration was 1. 8 %, the properties of natural rubber conserved by salvolatile got better and reduced pollution and improved the environment of factories
綜合考慮經濟和社會效益,碳酸銨可作為天然膠乳的保存劑,最佳質量分數為1 . 8 % ,其硫化膠力學性能得到部分改善,可以代替傳統的氨水保存劑,降低污染,提高經濟效益,改善工廠作業環境。The organic - mmt modified polyacrylate emulsion was prepared by emulsion intercalation, which the cement based waterproofing coating was modified by, which had the good mechanical property, the good ageing performance and the good resistance to water
採用該乳液制備的聚合物水泥防水塗膜具有優良的力學性能、紫外老化性能、熱老化性能和耐水性能。有機蒙脫土的最佳用量為3 。For example, concrete durability - design relies mainly on complex special testes, e. g. thawing and freezing test and permeability resistance test etc. on theories and test methods of workability - design, testes for theological properties of concrete, workability evaluation, determination of optimum dosage of water - reducer etc - are all depend on experimental methods
例如,在耐久性設計方面,依賴于專項復雜測試,如抗凍融試驗和抗滲試驗等;在工作性設計的理論和測試方面,混凝土流變性能的測試、工作性的評價、減水劑最佳摻量的確定等都沒有脫離經驗的方法。分享友人