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底热
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  bottom thermal
     The heat flux from bottom thermal boundary layer is 32 GW.
     由底热异常边界层计算出的热通量为32GW;
短句来源
  “底热”译为未确定词的双语例句
     Entrance Pipeline Design Discussion of Hot Oil Pump in Tower Bottom
     塔底热油泵入口管道设计探讨
短句来源
     Analysis and Improvements of the Leak of the Mechanical Seal of the Hot Oil Pumps at the Bottoms of Debutanization Columns
     脱丁烷塔底热油泵机械密封泄漏分析及改造
短句来源
     The measures taken on the furnace were reducing the heat load and raising the heat efficiency. The recycle ratio was decreased and the hot feedstock was directly feeded from the vacuum column combined with the furnace modification.
     加热炉采用了减少热负荷及提高热效率的措施,降低了循环比及直接用减压塔底热进料,并对加热炉本身改造提高热效率;
短句来源
     The MESH equation system of one-column distillation process for benzene-toluene was established. With computer iteration calculation method, the distributions of gas flow, liquid flow, temperature, concentration on each theoritical bed and the heat loads on the top and bottom of tower were obtained. The calculated thermodynamic efficiency for one-column distillation process is 13.97%.
     建立了苯- 甲苯单塔精馏的MESH 方程组,采用分割技术用计算机进行迭代求解,得到了塔内各理论板的气液流量、温度和浓度分布及塔顶和塔底热负荷,并计算了该过程的热力学效率为13 .97 % 。
短句来源
  相似匹配句对
     Entrance Pipeline Design Discussion of Hot Oil Pump in Tower Bottom
     塔油泵入口管道设计探讨
短句来源
     HOT
     报!
短句来源
     Hotest Word
    
短句来源
     Thermal stress distribution and structure optimization of bottom working lining of ladle
     钢包工作衬的应力分布及结构优化
短句来源
     A VARIABLE-POSITION TRAWL
     变位拖网
短句来源
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  bottom heat
Mixed convection induced in the entrance region of a horizontal plane channel by a bottom heat source of finite dimensions is considered.
      
The bottom heat fluxes remains strong as a consequence of the steep thermal gradient at the CMB level; whereas it decreases to a low level during quiet periods.
      
This work shows the richness of the behavior in surfaces and bottom heat fluxes that arises from the alternation of quiet periods of partial layering with catastrophic avalanche events.
      
Growing plants with bottom heat (35°C) was of great aid in shortening duration of tests.
      
Bottom heat will speed the rooting process but is not necessary.
      
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  bottom thermal
The high concentration of SiO2 in this organic-rich rock and the positive correlation between TOC and some trace elements such as P, Cu, Ni, W and Mo indicate that this suit of rocks was affected by activities of bottom thermal currents as deposited.
      
To establish well-insulated electric connection, sputtered aluminum film was patterned between a bottom thermal SiO2 and a top PE-SiO2; the consequential uneven wafer surface was planarized through a chemical mechanical polishing (CMP) step.
      
Bottom thermal boundary layers may develop in response to heat flux from core to mantle.
      
Case 4 includes a bottom thermal boundary layer in its initial temperature field but otherwise is identical to case 3.
      
Lake-bottom thermal regime in thermokarst terrain near Mayo, Yukon Territory.
      
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The knowledge of sources of metallic materials in deep-sea ploymetallic nodules will greatly help clarify the d'istributions and origins of polymetallic nodules in oceans. Through study and analysis, the author has preliminarily pointed out that Continental runoffs and sea-floor hydrothermal actiyities have provid'ed very limited metallic materials and sea-water dissociation of basaltic volcanic materials perhaps acts as the main sources. The deep-sea polymetallic nodules and crusts, massive sulfide deposits,...

The knowledge of sources of metallic materials in deep-sea ploymetallic nodules will greatly help clarify the d'istributions and origins of polymetallic nodules in oceans. Through study and analysis, the author has preliminarily pointed out that Continental runoffs and sea-floor hydrothermal actiyities have provid'ed very limited metallic materials and sea-water dissociation of basaltic volcanic materials perhaps acts as the main sources. The deep-sea polymetallic nodules and crusts, massive sulfide deposits, and polymetallic mud found recently are all probably sea-floor mineral resources, formied in different environments, and the metallic elements of which mainly come from basaltic volcanic materials. Therefore, the study of types, characteristics, distribution and the relation with mineralization of sea-floor basaltic volcanic materials should be further done.

研究多金属结核的金属物质来源对认识多金属结核的生成和分布具有重要意义.本文初步认为:大陆径流、洋底热液活动为深海多金属结核提供的金属物质可能是有限的,而玄武岩类火山物质的海解作用则可能是深海多金属结核的主要物质来源.

The existence of the large-scale submarine hydrothermal water circulation system and metal-rich accumulation is one of the recent important discoveries of the mankind. They are distributed along the rapidly developing Eastern Pacific mid-ocean ridge. The newly formed basaltic oceanic crust as the metal source, the fissure system produced by crustal extension and the heat source driving the seawater circulation are three necessary conditions for the formation of ore deposits. But whether this kind of product...

The existence of the large-scale submarine hydrothermal water circulation system and metal-rich accumulation is one of the recent important discoveries of the mankind. They are distributed along the rapidly developing Eastern Pacific mid-ocean ridge. The newly formed basaltic oceanic crust as the metal source, the fissure system produced by crustal extension and the heat source driving the seawater circulation are three necessary conditions for the formation of ore deposits. But whether this kind of product can be preserved also depends on ther factors such as the development of ocean currents and the amount supplement of terrigenous sediments. To sum up, early-stage small oceanic basin's and back-ar basins such as the Red Sea, the California Gul and other taphrogenies are most favorable for looking for such kind of mineral deposit. The enlighement of the discovery of modern submarine hydrothermal mneralizaon f the study of subaerial lithified ore deposis is that so long as conditins are available similar mineralization may occur within the realm of continental crust. The examples are the Middle and Late Devonian stratabound deposits in South China and the Qinling Mountains.

洋底大规模热水环流系和富金属堆积的存在是近年来人类重大发现之一,它们沿快速扩展的东太平洋中脊分布。作为金属来源的新生玄武质洋壳、由地壳拉伸出现的裂隙系和驱动海水环流的热源是矿床生成的三个必要条件。但此类生成物能否存留下来还取决于洋流是否发育,陆源沉积的补给程度等其他因素。综合起来,像红海,加利福尼亚湾等裂陷早期的伸展小洋盆和弧后盆地对此类矿床的寻找最为有利。现代洋底热液成矿作用的发现对陆上石化矿床研究的启示在于,只要条件具备,陆壳范围内也可以出现类似的成矿作用,华南和秦岭中、晚泥盆世的层控矿床即其实例。

Selection of cement classification and supply way for dam concrete and application of low-heat,mi-cro-dilated cement are discussed.Because fly ash is normally used in the site,limilations and requireTnents forcement classification of dam concrete will be less.Therefore,dam concrete and slag dam concrete is not inve-vitably used.Buck cement is used instead of bagged cement.Cement clinker is supplied to dam site far awayfrom cement plant and grinded into cement in grinding plant in site. In this way,cement is...

Selection of cement classification and supply way for dam concrete and application of low-heat,mi-cro-dilated cement are discussed.Because fly ash is normally used in the site,limilations and requireTnents forcement classification of dam concrete will be less.Therefore,dam concrete and slag dam concrete is not inve-vitably used.Buck cement is used instead of bagged cement.Cement clinker is supplied to dam site far awayfrom cement plant and grinded into cement in grinding plant in site. In this way,cement is gained more cheaper than buck cement.Low-heat, micro-dilated cement which are presently used is best fitted to be used incompletely restrained location,when the cement is used in restrained location at dam foundation,it has a cer-tain effect to prevent cracking,but is not obvious. When the cement is used in nonrestrained Iocation of dam,it is harmful to prevent cracking.

文章讨论了大坝混凝土水泥品种和供应方式的选择及低热微膨胀水泥的使用。认为:由于工地上已普遍掺用粉煤灰,对大坝混凝土水泥品种的限制可以放宽,要求可以降低,不一定非要采用大坝水泥和矿渣大坝水泥,水泥的供应方式,应尽量少用或不用袋装,多用散装,向远离水泥厂的大坝工地供应水泥熟料,在工地设粉磨站磨成水泥,比采用散装水泥更优越、更经济。目前试用的底热微膨胀水泥,最适用于完全受约束的工程部位,用于大坝基础约束部位,对防裂有一定作用,但作用不大,用于大坝非约束区,对防裂无益且有害。

 
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