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blocking materials中文是什么意思

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  • 例句與用法
  • Study on the block material made by hydrated silicate powder with nm - order size
    應(yīng)用水化硅酸鹽納米粉體制備塊體材料
  • It is the ideal equipment of controlling the middle and small solid block material
    是中、小固體塊狀物料控制的理想設(shè)備。
  • Specification of non - synchronized opening and closing multi - jaw double ropes grab for handling scrap iron or block material
    異步啟閉式多顎板廢鋼塊料雙索抓斗技術(shù)條件
  • Carbonaceous materials for the production of aluminium - cathode block materials - determination of the expansion due to sodium penetration with application of pressure
    鋁生產(chǎn)用含碳材料.陰極塊材料.壓力作用下由于鈉滲透引起的膨脹的測定
  • Carbonaceous materials for the production of aluminium - cathode block materials - determination of the expansion due to sodium penetration without application of pressure
    鋁生產(chǎn)用碳質(zhì)材料.陰極塊材料.無壓力作用下由于鈉滲透引起的膨脹的測定
  • The influence of metallic mesh packing block on radar wave shielding is only dependent on packing block material ’ s surface electric resistance , independent on other factors of material . the less surface electric resistance is , the better metallic mesh ’ s shielding effect is
    而且金屬網(wǎng)柵襯層對雷達(dá)波屏蔽作用的影響只與襯層材料的面電阻有關(guān),與材料其它因素?zé)o關(guān),面電阻越小,網(wǎng)柵的屏蔽效果越好。
  • The special structure of zippered plastic pipe zippered seep holes made a greater seepage quantity on the condition of bare pipe ( no anti - blocking material adopted at the mouth of seep holes ) . so several kinds of anti - seepage material were adopted in the experiment of this part in order to find the proper anti - seepage material ( nonwoven fabrics glued by neoprene ) and working head ( 3m ' s working herd on initial irrigation )
    由于拉鏈?zhǔn)剿芰瞎艿莫?dú)特構(gòu)造(拉鏈?zhǔn)綕B水孔口) ,裸管(滲水孔口不采用任何防堵材料)情況下滲流量很大,所以本部分試驗(yàn)采用了幾種防滲材料試驗(yàn),最后通過比較分析,找到了合適的防滲材料(氯汀膠粘無紡布)和工作水頭(初始灌水時(shí)3m工作水頭) 。
  • Odium silicate is used as adhesive in metal casting , fireproof material , paper board , electric welding material , crt screen ; as water purifying agent , scale remover ; as washing aid . buffer in detergent ; as sealant in oil drilling ; as ore flotation agent , slurry thinner and leakage - blocking material in mining ; as bleacher aid , mordant , sizing material , impregnating agent in textile dye & printing ; as anti - corrosion agent and insecticide in wood processing ; as basic ingredient for coatings
    硅酸鈉被大量地用于制造工業(yè)作為填充劑,在金屬澆鑄中作為砂型粘結(jié)劑,版紙工業(yè)中被用作膠合劑,在耐火材料行業(yè)中用作粘結(jié)劑,在電焊條行業(yè)也用作粘結(jié)劑,在電子工業(yè)中可用作顯像管成屏的粘結(jié)劑,在水處理中用作處理劑,防結(jié)垢劑等。在合成洗滌劑行業(yè)中用作助劑,在清洗劑行業(yè)中用作清洗及防腐緩沖劑,在石油開采中用作防止井噴材料,在礦山開發(fā)中用作堵漏材料、礦石浮選劑和泥漿稀釋劑等。
  • In this thesis , first , reasons and factors for the stability of loose rock dams were summarized according to the field surveys and certain expert ' s experiences . then , researches on block stability problems were reviewed , and according to the relationship between grain size and incipient velocity , it is found that the block weight is in direct proportion to 6 - 9 power of incipient velocity , and 50 % increase of the velocity will result in about 40 times change of the block weight . after that , experiments were conducted in a flume , focusing on the relationship between incipient velocity and some main factors including block weight , water depth over the dam , cross - section size , block material and river bed material
    本文首先根據(jù)散拋石壩損毀情況的現(xiàn)場調(diào)查資料,結(jié)合有關(guān)專家多年的整治經(jīng)驗(yàn),總結(jié)出壩體的損毀原因及影響因素;對現(xiàn)有塊體穩(wěn)定性的研究成果進(jìn)行回顧和總結(jié),并針對散拋石壩的直接損毀現(xiàn)象,結(jié)合山區(qū)河流的水流、地形特點(diǎn),利用塊體粒徑與起動流速的關(guān)系,提出塊體穩(wěn)定重量與起動流速高次方成正比的概念,流速50的增長可能導(dǎo)致塊體穩(wěn)定重量接近40倍的變化;通過二維變坡水槽試驗(yàn),研究了壩體穩(wěn)定的主要影響因素,包括塊體重量、壩頂水深、斷面尺寸、塊體材料(塊石和卵石兩種) 、護(hù)底等,結(jié)果表明對于山區(qū)河流,試圖僅僅通過增加壩體單個(gè)塊體重量或斷面尺寸來提高壩體穩(wěn)定性效果甚微;最后,根據(jù)西部地區(qū)的自然、經(jīng)濟(jì)、交通等條件,提出可以采用柔性混凝土鉸鏈體等一類整體性較好的護(hù)面層作為散拋石壩的防沖毀措施,以期取得良好的工程效果。
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