medium sand 中文意思是什麼

medium sand 解釋
中粒砂
  • medium : n （pl dia ）1 媒介物；傳導體；媒質，基質，介質，介體；中間物；環境、生活情形。2 手段，方法；媒介...
  • 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...
  1. Sand - removing of large and medium sized castings, deoxidization of forgings, heat - freated pieces, steel plates, steel pipes, sections and steel structures, surface treatment before plating

    2大型、中型鑄件的清砂。鍛造件、熱處理件的去除氧化皮、鋼板、型鋼及鋼構件的除銹及表面強化。
  2. Because the soft deposit contains silt, floury thin sand, medium thin sand, fill section and so on, the scheme of foundation treat can not be easily decided

    由於軟基中含有淤泥、粉細砂、中粗砂、雜填土等，且土質很不均勻，基礎處理方案很難確定。
  3. Effects of removal of the shoot apex and leaf wounding on nitrogen uptake and nicotine production were studied with tobacco plants grown in sand or hydroponic medium under the controlled conditions

    摘要採用砂培和營養液培養方法，研究了在營養生長階段切除頂芽和葉片損傷對煙株生長、體內煙堿濃度、氮濃度及吸氮量的影響。
  4. Drill efficiency could be promoted sharply in penetration of high - medium hard sand rock rock formation. its wings are of higher wear resistance and impact efficiency. to repeat repair grind are not necessary

    大幅提高中硬巖層砂巖的鉆進效率，刀翼耐磨抗沖擊性強，不需反復修磨，鉆頭壽命長。
  5. The sand box model is a reduced scale representation of the natural porous medium domain.

    砂槽模型是將天然的多孔介質區域按比例縮小的模型。
  6. Sand mulling device is composed of runner wheel, mulling rotor and scraper, fit for mixing damp system sand for machine moulding in large size or medium size foundry workshop

    該機的混砂裝置由輾輪混砂轉子刮板等部分組成。主要用於大中型鑄造車間混制機器造型用濕型單一砂。
  7. This machine fits for mixing moulding sand in large scale and medium scale foundry workshop, as well as system sand for machine moulding, fired mold sand, self - hardening sand, face sand and core sand, also fit for mixing different powder materials for industries of glass, porcelain and fireproofing materials

    該機主要用於大中型鑄造車間型砂的混制，既可混制機器造型用的單一砂，又可混制干模砂自硬砂面砂和芯砂，也可用於玻璃陶瓷耐火材料等行業混制各種粉粒狀物料。
  8. This product fits for mixing resin self - hardening sand and soluble glass sand of large size or medium size castings with integrated function, close structure, even mulling, stable running and convenient application and operation

    該系列產品主要用於大中型鑄件樹脂自硬砂及水玻璃砂的混制。具有功能全，結構緊湊，混砂均勻，運行平穩，使用操作方便等優點。
  9. ( 1 ) systematic triaxial compression tests are made for the sand reinforced by various national geosynthetics. comprehensive investigations into the interaction characteristics are also made between sand / lime fly ash and various national geosynthetics by direct shear tests and pull out tests, which can help choosing geosynthetic type and understanding the geosynthetic reinforcement mechanism ; ( 2 ) this paper is also firstly systematically presents the results of a comprehensive investigation into the interaction characteristics between lime fly ash and various national geosynthetics ; ( 3 ) by non - linear fem, the influence of the modulus of geosynthetics, the thickness of the soft ground and the width of the foundation on the effectiveness of geosynthetic reinforcement are also studied ; ( 4 ) the main conclusions are as followed : ( geotextiles are likely to be suited for projects allowing high displacement, polyester warp knitting geogrids and oriented geogrids for projects allowing medium displacement, glass fiber geogrids for projects allowing low displacement and geonets for secondary projects. ( the confining effect of fill material to act on different kinds of geosynthetics varies largely, which must be considered

    （ 1 ）本文利用三軸壓縮試驗，比較各種國產土工合成材料對砂土的加筋效果；利用直剪試驗和拉拔試驗，比較各種國產土工合成材料與砂土或石灰粉煤灰的界面摩擦特性，深入研究土工合成材料的加筋機理，首次明確提出加筋土工合成材料的選型原則； （ 2 ）本文首次系統地研究了石灰粉煤灰與各種國產土工合成材料的界面摩擦特性； （ 3 ）本文採用有限元法，系統研究了加筋模量、軟土地基厚度、基礎寬度等因素對土工合成材料加固軟土地基效果的影響； （ 4 ）本文主要結論如下： （無紡土工織物適合用於允許大變形的加筋土工程；滌綸纖維經編土工格柵和塑料拉伸土工格柵適合用於對變形有較嚴格要求的加筋土工程；玻璃纖維經編土工格柵適合用於對變形有嚴格要求的加筋工程；土工網適合用於低等級的加筋土工程。
  10. The region and the earth surface across this road are mainly water above ground and run - off and the ground water is mostly made up of groundwater and perched water ; the river bed is more obvious ; the overbank is covered by medium sand and gravel ect

    路線所經地帶地面主要為地表水和徑流，地下水主要以潛水和上層滯水為主，河床較明顯，河灘覆蓋中砂、礫石等。地勢低洼地帶地表常年積水，影響路基穩定。
  11. This series product fits for mixing facing sand and system sand in large scale or medium foundry workshop, as well as mixing core sand and self - hardening sand in large scale foundry workshop

    S11系列輾輪混砂機該系列產品主要用於大中型鑄造車間混制面砂和單一砂，也可用於大型鑄造車間混制芯砂和自硬砂等。
  12. Fourthly, with the finite element program, the author analyzes the relationship between the load magnitude or frequency and range of breakage or pore pressure. this can provide appropriate parameters for the method of vibrating grouting. fifthly, adopting the compressible porous medium, the author adduced dynamic theory of liquid saturated porous medium to analyze the displacement and force in the sand when there is dynamic load below the earth surface

    基於連續介質力學的混合物理論建立的多孔介質理論和動力控制方程，假設砂土滿足各向同性並處于彈性小應變狀態，豎向振動力將在飽和砂土內部產生三種波，分析了這些波的彌散曲線和特徵衰減曲線，從波傳播的角度，研究了振動力參數和土性參數對振動范圍的影響。
  13. Article 47 no sand collection, stone query, earth digging or waste dumping, explosive operations and other activities that would threaten the safety of roads, road bridges, road tunnels and road ferries is allowed within the perimeter of 200 meters of large and medium - sized road bridges or ferries and within a perimeter of 100 meters above road tunnels or outside the mouths of road tunnels and within a certain distance on both sides of the roads

    第四十七條在大中型公路橋梁和渡口周圍二百米、公路隧道上方和洞口外一百米范圍內，以及在公路兩側一定距離內，不得挖砂、採石、取土、傾倒廢棄物，不得進行爆破作業及其他危及公路、公路橋梁、公路隧道、公路渡口安全的活動。
  14. For the case of transporting suspended fine sand, a single - fluid model is used to calculate the flow resistance by solving the navier - stokes equations. the computed agrees well with the measured. and for the case of transporting medium - sized sand, a two - layer model is used and the model produces a good agreement with the experiment data

    對管道輸送細沙懸移質的流場，採用單流體模型進行數值求解n - s方程，計算結果與實驗資料相吻合;對具有分層流動的中沙管道水力輸送，採用兩層代數模型進廳了計算分析，阻力損失的預測結果與實驗吻合較好;最後對管道輸送粗沙的阻力特性和運動機理進行了分析探索，提出了進一步研究的方向。
  15. 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。
  16. Sand - removing of small and medium sizde castings, forgings, heat - treated pieces, steel plates, steel oipes, sections and steel structures, surface treatment before plating, cutting of rocks

    中小型鑄造件的清砂、鍛件、熱處理件、鋼板、鋼管、型鋼及結構鋼件的除銹強化、塗鍍、塗裝前的表面處理及石材切割。
  17. Best combination of low speed scraper and medium speed rotor, large mulling sand, even - mulling ability, good integrated performance

    低速刮板與中速轉子最佳配合混砂量大混勻能力強，型砂綜合性能好。
  18. Experimental study of medium sand reinforced with cfrp

    加筋中砂的試驗研究
  19. Based on the parallel conductance between laminated shale and dispersed shaly sand, while dispersed shaly sand can be described with satori resistivity model containing four components ( conducting rock matrix grains, nonconductive hydrocarbons, dispersed clay particles and water ), the generalized effective medium satori resistivity model in laminated and dispersed shaly sand is established

    本文基於層狀泥質與分散泥質砂巖的並聯導電，而分散泥質砂巖導電可用四組份（導電的骨架顆粒、不導電油珠、分散粘土顆粒、水）的有效介質satori電阻率模型描述，建立了模型。
  20. Sand - removing and deoxdization medium sized castings rust - removing and intersification of forgings, heat - treated pieces, steel plates, steel pipes, sections and steel struccrures, surface treatment before plating

    大型、中型鑄件的清砂、鍛造件、熱處理件、鋼板、鋼管、型鋼及結構鋼件的除銹強化、塗鍍、塗裝前的表面處理及石材切割。
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