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- bed load amount 推移质数量
- Aggrading streams heavily charged with bed load may fill their channels nearly to the top of the banks. 带有大量推移质的堆积河流可以把河槽淤高到几乎与岸顶齐平。
- The IBU load amount is lower when the temperature is above on the LCST during impregnation than below the LCST. 浸渍时环境温度高于聚合物的LCST时负载量比浸渍时温度低于LCST的小。
- The activity of catalyst depends on the loading amount of Cu. 催化剂中Cu的担载量是影响催化剂的活性的一个重要因素,在0-4.;35%25的范围内,伴随着担载量的增加,吲哚的选择率同步增加。
- An estimation method of bed load transport rate based on the grain froude similarity is proposed. 运用沙粒佛汝德相似的原理,提出了推移质输沙率的推算公式。
- Bed load particles move spasmodically, perhaps at long intervals, and are at rest on the stream bed most of the time. 推移质颗粒多半作间歇运动,而大部分时间则停歇在河床上。
- In the stream with strong bed load movement there is no benthic macroinvertebrate. 河势散乱且河床运动剧烈的支流物种丰度和密度均很低甚至为零,生态条件差。
- A METHOD FOR ESTIMATING ANNUAL AMOUNT OF BED LOAD 推移质输沙量的计算及其应用
- The instantaneous sediment transportof suspended and bed load are computed, and the sediment transport rates are time-averaged over one wave period. 计算了波浪周期内各个时刻瞬时的悬移质和推移质泥沙输沙率,并对输沙率进行时间平均求得时间平均的输沙率。
- Based on the study of sediment transport under the actions of tidal currents and wind waves, a mathematical model of suspended load and bed load for Yangtze Estuary is developed. 摘要通过对长江口径流、潮流和波浪共同作用下的泥沙运动规律的研究,开发并建立了长江口全沙(悬沙和底沙)数学模型。
- By the measured data of "9711" Typhoon wave,the process of bed load resuspending under the effect of "9711" Typhoon wave around the channal of Yangkou Harbour is calculated. 利用“9711”台风浪实测资料,计算了洋口港航道所在海区在“9711”台风浪作用下床沙的悬浮上扬过程,得出洋口港航道不具备骤淤的可能性。
- In the meanwhile, the result also show that the section configuration and near watercourse characteristic has influenced gravel bed load transport rate. 河床断面形态及其相邻河道特性对输沙率也有较大的影响。
- The influences of the content of PW and LDPE, the powder loading amount as well as the degreasing method on the shape holding in metal injection molding are investigated. 摘要研究了石蜡(PW)和低密度聚乙烯(LDPE)的含量、粉末装载量和脱脂方法对脱脂保形性的影响。
- Through the survey and statistics of data, about loading amount of nitrogen minus quota discharge, loading amount of permeable water nitrogen, loading amo... 经过氮素差额排出负荷量,渗漏水氮素负荷量,地表水氮素负荷量,降水氮素负荷量,灌溉水氮素负荷量等数据的调查和统计,得出氮素全年损失率及损失途径。
- The Yalin's bed load formula and Einstein's suspended load carring power formula have been used as a control to obtain sediment transport and sediment delivery ratio on the hillslope in the mountain watershed. 用Yalin推移质公式和Eim-stein悬移质挟沙能力公式作为控制,求出了坡面径流的输沙量和泥沙输移比。
- The experiment also verified the feasibility of triangular bed load deflecting slope, and provided a new sediment guiding equipment to pressure forebay under the special conditions. 验证了三角形导沙坡设计的可行性,为解决压力前池内特殊条件下的输排沙提供了一种新型导沙装置。
- Hubbell,D.W.,Stevens,H.H.,Skinner,J.V.,and Beverage,J.P.,1987,Laboratory data on coarse-sediment transport for bed load sampler calibrations : U。S. Geological Survey Water-Supply paper 2299,31 P. 致谢:本课题为中美地表水水文科学合作协议附件四全沙输移项目课题。作者对美国拉斯维拉斯火山观测站和中国长江委水文局有关人员为各项试验给予的帮助表示衷心感谢!
- The river channel change, the bed load and bed material armoring, and the water level lowering after the operation of the Gezhouba project are analyzed based on the topographic and hydrologic data. 根据实测地形和水文泥沙资料,分析了葛洲坝枢纽运用后宜昌河段的河床冲淤变化、推移质和床沙的粗化以及枯水位的变化。
- The brook warbled over its rocky bed. 小溪潺潺流过多石的河床。
- In this paper,firstly,the formula for estimating the bed load transport rate in the bed of sand waves of prototype by model experiment based on the similarity of grain Froude number was inferred. 基于沙粒佛汝德数相似原理,首先推导出利用模型试验结果估算原型沙波河床上推移质输沙率的推算公式;然后塑造与原型较为一致的床面形态,利用模型试验对推算公式进行了验证。