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Based on an analysis on the lithologic character of gate site strata, high pressure gunite technique is adopted for the construction of pile foundation with large diameter , so as to improve the foundation bearing capacity of quay wall sand foundation at both sides of tide gates.

介绍了大风江调水工程中的东场挡闸工程的基础及工程地质情况,分析了闸址地层岩性,提出了采用高压喷射灌浆技术形成较大直径桩基,提高挡闸两岸岸墙砂基础的地基承载力,并详细论述了高喷桩的设计、施工和质量控制。

This is attributed to the ineligibility of the friction terms in the two-dimensional governing ...

对全日和半日流,本计算给出了一个前人未注意到的圆流点。文章还给出了生余水位和余流的分布,并计算了能通量。

This paper, with the help of the inscriptional records on two tablets inside Mr Shan Yicheng Memorial Temple at Huamei Town of Chaoan County in Guangdong Province, makes a case study of Shen Yichang and his son, an overseas Chaozhoulese family residing in Singapore during the reign of Emperors Tongzhi and Guangxu of the Qing Dynasty, In them we have found a shining example in which the overseas Chaozhoulese merchants, under the influence of traditional Confucian culture, cherished a very strong provincialis...

本文借助广东省安县彩塘镇华美村以成公祠内的两块石碑,对清同治、光绪年间新加坡侨沈以成父子的事迹进行研究,从中发现海外商在传统儒家文化的熏陶下,怀有极其强烈的乡土宗亲观念,情系家乡父老,热心公益事业,而沈氏父子则为其中一个突出之例。

The deep water deposition means the deposition in the area where the water depth is larger than 30 meters, in which the major sediments are coarse sand and gravel. This kind of deposition is the relic deposition formed by the Pleistocene alluvial-lacustine deposition reworked under modern channel currents actions, and ususally the Holocene acummulation lack in the deep waters. The transitional zone deposition is the deposition between the low tidal level line and the 30 meters isobath, where the sediment types is changeable and the grain sizes are gradually coarsening from the low tidal line to the deep water area. This kind of deposition is developed by the deep water eroded sediments sorting under the transitional zone current action. The different types distributed along the isobath. The tidal flat deposition is the fine sediment deposition on the tidal flat which is flo sedimentation of the silty clay under the tidal flat dynamic action and ususally developed fluid mud on the lower tidal flat. The channel mouth deposition is the deposition in the channel mouth area. According to the sediment types, it includes sand deposition where there are coarse sediments supply and silt deposition where there are only fine sediments surpport.

峡道深水区沉积是指水深大于30米的峡道底部沉积,它以粗颗粒砂砾石沉积为特色,是现代峡道水动力对第四纪海退时发育的冲洪积和坡积物进行改造形成的蚀余沉积,全新世沉积地层往往缺失;峡道过渡带沉积是指水深介于低位线至30米水深线之间发育的峡道边坡沉积,该带沉积以沉积物类型多样为特色,自低位线至30米水深线,沉积物粒级逐渐变粗,由粉砂质粘土逐渐递变为中粗砂,是峡道深水区沉积物经多次分选沉积而发育的,基本平行于等深线分布的条带状沉积,在岸坡较陡岸段,过渡带下部可发育重力沉积;峡道滩沉积是指在低线与海岸线之间发育的细颗粒沉积,它是粘性细颗粒泥沙在滩动力作用下,发生动水絮凝沉积而形成的粉砂质粘土沉积,在低滩可发育浮泥;峡道口门区沉积则是在峡道汇入大海或海湾时,在峡道出口水流影响所及范围的沉积,根据峡道口门区供给泥沙的特性,峡道口门区沉积有粉砂质淤泥沉积和砂质沉积两种类型。

We calculate the distribution of Co amplitude and Co phase lag lines of K 1, O 1,S 2 and M 2 constituents and their elliptical axis of tidal current for each layer and average depth.

分别给出K1,O1,S2,M2 四大分的同时线和等振幅线,并且也计算得出它们的深度平均的流椭圆分布图和它们各自的底层、50m 层、30m 层、20m 层、10m 层、表层的流椭圆分布图。

On the mudflat, in general, the current velocity reached peck value during the flood and ebb phase in single tidal cycle.

间带周期性淹水区域水深、流速的变化过程是滩水动力过程的基本组成部分,也是流与泥沙相互作用的基础。

Larvae of Natica tigrinaare divided into 3 groups,feeding on Isochrysis galbana,Isochrysis galbana and "Yunweizao","Yunweizao",respectively to investigate the shell's width and survival rates every day.

斑玉螺 属于软体动物腹足纲中腹足目玉螺科。闽南地区称之为"花螺"。其主要分布在太平洋两岸温带至热带地区,我国沿岸海域南北均有分布。一般栖息于间带中区的泥、泥沙质滩涂。

The result shows:(1) the value of R in situ is higher than 0.8, which is lower than that in lab;(2) the averaged value of relative error in spring tide is higher than that of in neap tide and the value is less than 15%.(3) the particle size is the main factor that influences the precision of OBS, while the biology, the color of particle and water, the air bubble in water have some effect on it.

主要结果有:(1)现场OBS标定R值比室内标定偏低,但也在0.8以上;(2)大平均相对误差值变化比小大,在悬沙浓度低于1.5kg/立方公尺条件下,大小悬沙浓度平均相对误差都在15%以下;(3)悬沙粒径大小是影响OBS观测精度的主要因素,生物、泥沙颜色、水色和水中气泡等因素也对观测结果产生一定影响。

Suspended particulate matter was collected to measure the biogenic silica concentrations during 3 cruises at neap tide in October 2002 and at both neap and spring tides in May 2003 in Jiaozhou Bay.

对胶州湾2002-10月小,2003-05月大、小共3个航次的颗粒态生物硅含量进行了调查分析,讨论了PBSi及其相关因子的分布和关系。

Results show that floes' VC and D at the surface water were closely related to current velocity; and the peaks of VC lag those of the current velocity. The lag variation during ebb and flood tides is 10-30min and 30-50 min, respectively. Current velocity at 50 cm/s is a turning point of D vs. vertical average current velocity, before the point, Dm increases with current velocity, and decreases after the point. Similarly, VC at 75μl/L becomes a critical point in the surface water, below the point, D increases with VC, and above the point, D stabilizes.Δp is D dependent, larger floes have much lower Δp than smaller floes. Both D and Δp of floes affect ω. In the surface water during spring tide and neap tide, a power exponent relationship exists between Δp and D, and ω and D.

研究表明:①长江口徐六泾表层絮凝体体积浓度主要受水流流速影响,再悬浮现象明显,体积浓度过程线滞后流速过程线,落期间滞后10-30min,涨则滞后30-50min;②小于一定流速时絮凝体平均粒径随流速增大而增大,大于一定流速时絮凝体平均粒径则随流速增大而减小,徐六泾夫、小表层絮凝体在50cm/s的垂线平均流速时出现平均粒径与垂线平均流速关系的转折;③徐六注大、小表层絮凝体平均粒径在体积浓度75μl/L时出现平均粒径与体积浓度关系的转折,体积浓度小于75μl/L时粒径随体积浓度增加而增大,超过75μl/L时粒径随体积浓度的增加变化不明显;④絮凝体有效密度由粒径大小控制,粒径大,有效密度小,反之亦然,粒径和有效密度共同决定絮凝体静水沉速,有效密度和沉速与平均粒径之间均存在良好的幂指数关系。

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推荐网络例句

They go to town. Would you just ask them?

他们在城里你能问他们吗?

Ossein pretreated for a2 weeks period exhibited the maximum% yield incase of bone gelatin, while the yield from intact skin was higher than that realized incase of de-scaled skin.

预处理时间达2星期的骨胶原表现出最高的骨明胶百分产量,然而从未处理鱼皮中得到的产率比去鳞的鱼皮得到的要高。

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