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Home > english-chinese > "河砂" in Chinese

Chinese translation for "河砂"

bank sand
fluvial sand
river sand
Example Sentences:
1.The best substrate for broom is river sand , followed by mountain soil and perlite . the time and humidity are the other two factors studied
扦插基质也影响生根率,结果表明,金雀花扦插以河砂为基质效果最好,山泥次之,珍珠岩效果最差。
2.The sand is lack in the western china , so preparing self - compacting concrete with low and middle strength with super fine mountain sand and artifical sand is necessary
西部地区河砂匮乏,应用特细山砂和机制砂配制中低强度等级的自密实混凝土是西部地区迫切需要开发的混凝土工程技术。
3.Aiming at the factors affecting the strength of paste filling material , the relation between affecting factors and strength of paste filling material is revealed on the basis of a lot of experiments in the lab , in which the river sand was used as skeletal material
摘要针对影响膏体充填材料强度的因素,通过大量的试验,揭示了以河砂为骨料的膏体充填材料强度与各影响因素间的关系。
4.The design strength of the new concrete is c40 , which adopts 525 # common portland cement , the sand is middle wide river - sand , the radius of coarse aggregate is 10 - 30mm . the surfaces of the old concrete which are harnessed are divided into i , ii , iii three type faces
Znfl , ao新混凝土设计强度等级选用c40 ,采用525 ’普通硅酸盐水泥,砂是中粗河砂,粗骨料的粒径为川30mm 。老混凝土表面处理后的表面分为1型面、 11型面、 ill型面三种类型。
5.To braided stream deposit , the fluvial sand body is distribute largely and continuously , so the heterogeneity is poor relatively , the relation of injection and production is better in the case of rare wells , about all wells have come on water , only in some thin sandbodys or bad physical layers there is some low flooded strata
对辫状河砂体,平面上大面积连续分布,在平面及层内非均质性弱,在较稀的井网下注采关系就较完善,目前平面上几乎所有井点都已水淹,只有局部由于砂体厚度变薄,物性相对变差而存在一些低水淹部位。
6.To meander channel , because the channel continuously moved , form duplicate fluvial sand bodies largely , and there are many area of non sandbodies or in fluvial sandbodies , there are some abandoned channel , all make the continuous of sandbodies poor upper the meander channel sandbodies , so remained oil is mainly distributed in sandbodies in fluvial channel , abandoned channel and non sandbodies area nearby
对曲流河砂体,由于平面上曲流河反复迁移和改造,以侧蚀和侧积方式形成了面积广阔的复合曲流河砂体,内部发育有许多尖灭区及河间砂体,边部及内还存在一定数量的废弃河道,从而使曲流河上半部侧向连通性变差,这类砂体中剩余油主要分布于河间砂、废弃河道部位及尖灭区附近。
7.The contrast experiment of twig propagation of fast - growing castanopsis fissa by four treatments in three different cutting medium indicated : the cutting medium has a significant effect on the survival rate , the interaction of the cutting treatment and the cutting medium has evident effect on the survival rate . castanopsis fissa twig which is cut and planted at once has the best survival rate in the cutting medium of garden soil mixed with sands . it reaches 87 . 5 , but in the garden soil , it reaches only 70 , and in other mixture , it is below 20 . therefore , had better be planted in the medium of garden soil mixed with sands , and be planed after cutting at once
速生菇木树种? ?黧蒴栲嫩枝经过3种插床基质和4种插条处理的扦插对比试验,结果表明:插床基质对其扦插成活率有极显著影响;插条处理及其插床基质的交互作用对扦插成活率存在显著影响;黧蒴栲嫩枝扦插在园土十河砂混合基质上现剪现插最好,成活率可达87 . 5 ,在园土基质上现剪现插次之,成活率可达70 ;而其它组合成活率都不到20 ,黧蒴栲嫩枝扦插生产上应选用园土或园土+河砂作为插床基质,并要现剪现插。
8.The change regularities of lining pressure and the failure process of surrounding rocks in permeation which a special sand is used as model materials are successfully simulated . the basic theory is established for the study of same type and the scientific basis for the tunnel prop design in saturation rock is provided
采用特定的河砂作为模型材料成功地模拟了破碎围岩隧道在遇水情况下衬砌的受力变化规律及岩体的破坏过程,为开展同类型研究奠定了基础理论,为饱水岩体隧道开挖支护设计提供了依据。
9.For sand , glass bean , quartz sand and pvc , pressure fluctuations were measured at different conditions . furthermore , statistics analysis , power spectral density ( psd ) analysis and chaos analysis of pressure fluctuations in gas - solid cfb were conducted . an investigation of the effect of circulating solid flux , superficial gas velocity , height from riser bottom and particle property on the parameters ( e . g
本文测定了河砂、玻璃珠、玻璃砂和pvc四种颗粒在不同固体循环量、不同表观气速、不同轴向高度下的压力波动,进而对气固循环流化床压力波动时间序列进行了统计分析、功率谱分析和混沌分析。
Similar Words:
"河渠湾道" Chinese translation, "河渠纵横" Chinese translation, "河溶" Chinese translation, "河润" Chinese translation, "河森正治" Chinese translation, "河杀手" Chinese translation, "河沙" Chinese translation, "河珊瑚礁" Chinese translation, "河山" Chinese translation, "河山带砺" Chinese translation