sand volume 中文意思是什麼

sand volume 解釋
砂巖體積；砂子體積
  • sand : n 1 沙。2 〈 pl 〉 沙灘，沙洲，沙地，沙漠。3 〈 pl 〉 沙粒；（計時用的沙漏中的）細沙。4 光陰，時...
  • volume : n. 1. 卷，冊；書籍；【歷史】書卷，卷軸。2. 〈常 pl. 〉大塊，大量，許多。3. 體積；容積；分量，額；【物、樂】音量；強度，響度。
  1. Based on the principles of designs of self - compacting and light aggregate concrete mix, sclc of lc30 - lc50 was developed by using absolute volume method. the main factors affecting the workability of sclc were studied by adopting the modified l - 800 fluidity instrument. the results indicate that the key techniques insuring good workability of sclc are about 30 % first - grade fly ash, about 50 % volume sand ratio, 2 % ~ 6 % dosages of silicon fume and compounded superplasticicizers with viscous ingredient

    採用改進l - 800流動儀，研究了影響lc40自密實輕骨料高性能混凝土工作性的主要因素，結果表明：粉煤灰摻量保持30左右，硅灰摻量為2 6 ，體積砂率為50左右和摻加具有粘塑組分的復合高效減水劑是保證sclc拌合物具有較好工作性的關鍵。
  2. 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粒粒度分析儀（ pda ） ，通過理論分析，將pda的輸出信號之一? ?平均透光強度（對應于dc值）作為原水的特性表徵參數， dc值可以同時反映顆粒濃度和比表面積因素的影響，試驗結果證明， dc值與單位體積水中泥沙顆粒總表面積s _ p之間具有很好的冪函數關系： dc = cs _ p ~ d ，式中c 、 d為經驗系數，進而得到了以dc值為參數的高分子絮凝劑投藥量公式： d = f （ dc ） = e （ dc ） ~ f ，式中： e 、 f為經驗系數，平均相關系數達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。
  3. The results show that, composite could be fabricated on the complicated surface by means of sodium silicate sand mold combination with vacuum infiltration process. when the substrate was 10 mm, composite layers reached 3 mm to 5 mm in thickness with high strength interface and less casting defect. microstructures of grey cast iron and low chromium cast iron matrix composites with various volume fraction has been analyzed

    結果表明：用水玻璃砂型（芯）加負壓鑄滲的工藝能夠實現復雜表面（曲面）顆粒增強復合材料的制備，澆注方式簡單可靠，基材厚度在10mm時，復合層厚度能達到3 5mm ，且復合層鑄造缺陷少，復合效果好，界面緻密而且結合強度高。
  4. In order to study the effect of sand ratio ( s / a ratio, fine aggregate volume / total aggregate volume ) on the elastic modulus of self - compacting concrete ( scc ), concretes with various s / a ratios were cast and tested

    摘要本研究主要探討混凝土含砂率（ s / a ，細骨材體積/總骨材體積）對流動化混凝土（ scc ）彈性模數的影響。
  5. Five floating roof oil tanks with volume 2 104m3 are designed to be constructed at shuguang pump station possessed by liaohe oil field, which is located at liaohe delta alluvial plain. this engineering filed is featured with complicated topography. the oil tank foundation soil is horizontally - layered, including four layers : medium dense - dense clay, interbedding of find sand and clay, fine sand sandwiching clay and fine sand

    位於遼河三角洲沖積平原的遼河油田曙光泵站計劃增建5座2 10 ~ 4m ~ 3浮頂式儲油罐，場區地形復雜，油罐地基土層分佈均勻水平，從上之下主要由中密粉土層、粉細砂與粘土互層、粉細砂夾粘土層和細砂層等4層組成。
  6. Application of systematic analysis to sand - vibrating construction in large physical volume

    系統分析方法在大體積換砂墊層施工中的應用
  7. Erosive resistance of grey cast iron matrix composite has been investigated, on the condition of different volume fraction of wc and erosive angles and volume fraction of. the results showed that, the erosive resistance of composite with volume fraction of 27 wt % was the best ; volume abrasion rate of composites with different erosive angles was maximum at 50 angle, but volume abrasion rate was less at 0 and 70 angle ; on condition of the same volume fraction of wc and larger size of quartz sand in slurry, volume abrasion rate increased

    結果表明：碳化鎢體積分數為27的灰鐵基復合材料的耐沖蝕磨損性能最佳；不同沖蝕角下復合材料的體積碳化鎢顆粒增強鐵基表面復合材料及其沖蝕磨損性能研究摘要磨損量在50 「沖蝕角處最大，在0 」和70 」沖蝕角處較小；在碳化鎢顆粒體積分數相同的情況下，當漿料中的石英砂粒度大時，其體積磨損量增大。
  8. The influence of the material composites factors, such as fiber volume fractions, fiber aspect ratio, cementitious - sand ratio and the admixture for interface tailoring, on the properties of pva - dfrccs is studied. these properties that have investigated include workability, mechanical properties, deformability and durability

    研究並分析了材料組成參數（ pva纖維體積率、纖維長徑比、界面改性劑和砂灰比等）對高強高彈pva纖維增強水泥基材料（ pva - dfrcc ）的工作性能、力學性能、變形性能及耐久性的影響。
  9. Some conclusions are drawn as following through analysis and research : 1. through rectifying finest sand character and concrete mix ratio test, anti - split capability of structure concrete is strengthen ; 2. heighten ratio of fly ash in finest sand concrete is beneficial to temperature control of huge volume concrete

    本文通過分析研究，得出以下成果: 1 .通過混凝土配合比試驗及特細砂混凝土改性研究，特細砂混凝土強度達到普通混凝土強度，且混凝土28天齡期極限拉應變為1 . 10xl0一4 ，高於普通混凝土29 . 4 % ，具有良好的抗裂性能。
  10. Heading manufacturing operations in shanghai, walters china team has experience in core manufacturing processes such as plastic injection, rubber compression molding, metal stampings, die - casting, sand casting, and lost wax casting. he handles our labor intensive, high volume projects

    其在上海帶領著具有多年生產經驗的團隊如塑膠射出橡膠壓模金屬沖壓金屬壓鑄沙壓鑄脫臘壓鑄其管理titoma勞力密集與高數量之專案。
  11. Standard test method for sand content by volume of bentonitic slurries

    用容積法測定膨潤土泥漿中砂含量的標準試驗方法
  12. Secondly, preparation of reactive powder concrete with air quench steel slag and its performance are mainly studied through experiment. the results show that : ( 1 ) when binder - to - sand ratio is 1, silica fume percentage of binder is 15, and steel fiber percentage in volume is 4, reactive powder concrete prepared can get best overall performances

    其次，作者主要對鋼渣活性粉末混凝土配製及其性能進行了試驗研究，結果表明： （ 1 ）膠砂比為1 : 1 ，硅灰摻量為15 ，鋼纖維摻量為4時所配製的活性粉末混凝土的綜合性能比較理想。
  13. A certain thickness of sand cushion of a certain size or gradation is paved between the foundation and ground in this new method. when earthquake happens the sand cushion will have plastic shearing strain, reducing the input of high frequency volume, thus consume the earthquake energy form substrate. it is showed in shaking table experiments that there is relevant slippage between foundation and sand cushion, which can prevent the seismic energy from being passed to the above structure and thus reduced the seismic role for the above structure

    在建築物的基礎與地基之間鋪設一定厚度、某種單一粒徑或級配砂墊層，在地震作用時砂墊層發生的塑性剪切變形，減少地震波高頻分量的輸入，從而消耗了下層傳來的地震能量；振動臺試驗表明，當振動發生時，基礎與砂墊層之間有明顯的滑移產生，這就對地震能量向上部結構的傳遞起到了隔斷作用，因而對上部結構起到了減震作用。
  14. Methods of test for masonry units - determination of volume and percentage of voids and net volume of clay and calcium silicate masonry units by sand filling

    磚石結構的試驗方法.通過添加沙對硅酸鹽磚石體的體積和孔隙及凈體積百分率的測定
  15. Methods of test for masonry units - part 9 : determination of volume and percentage of voids and net volume of calcium silicate masonry units by sand filling

    圬工單位試驗方法.第9部分:用沙充填法測定硅酸鈣圬工單位的體積空隙百分率和凈容積
  16. Methods of test for masonry units - part 9 : determination of volume and percentage of voids and net volume of clay and calcium silicate masonry units by sand filling ; german version en 772 - 9 : 1998 a1 : 2005

    圬工單位的試驗方法.第9部分:通過添加鹽測定黏土和硅
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