查询词典 alluvial fan

A number of pollen grains were deposited on alluvial fans and delta plains of North China Plain, and the concentration grains of pollen grains is more than 3000 per gram.

华北平原孢粉沈积相研究表明，洪积扇和三角洲平原区沈积的花粉较多，花粉沈积浓度多在3000粒/g以上。

It is proved that the Bottom Aquifer was composed of diluvial alluvial deposition and beds bearing gravel were mainly formed by rapid mud rock flow in fault basin...

各矿区的底含皆形成于气候干暖的新第三纪中新世，是一套在中、新生代断陷盆地内的山前洪积扇上由快速水流形成的洪积-冲积物，含砾石地层多为泥石流沉积物

By field investigation and water chemical monitoring, the groundwater environment of the shallow buried paleochannel zones and alluvial diluvial fans on the south coast plain of Laizhou Bay can be divided into 3 area: the salt groundwater district in the north, the transition district in the middle and the fresh groundwater district in the south.

通过野外实地调查和水化学监测，将莱州湾南岸平原浅埋古河道带及冲洪积扇浅层地下水水化学环境分为3大区域，即北部的全咸水区、中部的咸淡水过渡区和南部的全淡水区。

According to analytical results, the Haihe River Basin is divided into 7 zones: Taihang and Yanshan mountainous zone, piedmont diluvial/alluvial zone, Beijing-Tianjin-Tangshan region, piedmont plain zone, middle and eastern plain zone, Tianjin downtown area, and Tuhai Majia River plain. This result accords with water resources management in the Haihe River Basin.

作者根据环境、粮食、水资源和社会经济4大类30个指标，利用聚类分析方法和地理信息系统等工具，分析其聚类过程，把海河流域分为太行、燕山山区、山前洪、冲积扇区、京津唐地区、山前平原区、中东部平原区和淀东清南天津区和徒骇马颊河平原区7个区，分区结果符合流域水资源管理的要求。

Glacial sediment deposits called moraine material, accumulation of terrain that moraine topography, such as end moraines, lateral moraines, drumlin, etc.; outwash refers to the ice-melt water as the main camp force, after re-moving that occur after the deposition, the sediment that deposits of ice water, chilled water, both Moraine sediment characteristics, there are certain characteristics of alluvial material.

冰川沉积的堆积物称冰碛物，堆积地形称冰碛地形，如终碛堤、侧碛堤、鼓丘等；冰水沉积是指以冰融水为主要营力，经过再搬运后而发生的沉积，其沉积物称冰水沉积物，冰水沉积物既有冰碛物的特点，又有冲积物的某些特点。

Its universality: its democratic equality and constancy to its nature in seeking its own level: its vastness in the ocean of Mercator's projection: its unplumbed profundity in the Sundam trench of the Pacific exceeding 8000 fathoms: the restlessness of its waves and surface particles visiting in turn all points of its seaboard: the independence of its units: the variability of states of sea: its hydrostatic quiescence in calm: its hydrokinetic turgidity in neap and spring tides: its subsidence after devastation: its sterility in the circumpolar icecaps, arctic and antarctic: its climatic and commercial significance: its preponderance of 3 to 1 over the dry land of the globe: its indisputable hegemony extending in square leagues over all the region below the subequatorial tropic of Capricorn: the multisecular stability of its primeval basin: its luteofulvous bed: its capacity to dissolve and hold in solution all soluble substances including millions of tons of the most precious metals: its slow erosions of peninsulas and islands, its persistent formation of homothetic islands, peninsulas and downwardtending promontories: its alluvial deposits: its weight and volume and density: its imperturbability in lagoons and highland tarns: its gradation of colours in the torrid and temperate and frigid zones: its vehicular ramifications in continental lakecontained streams and confluent oceanflowing rivers with their tributaries and transoceanic currents, gulfstream, north and south equatorial courses: its violence in seaquakes, waterspouts, Artesian wells, eruptions, torrents, eddies, freshets, spates, groundswells, watersheds, waterpartings, geysers, cataracts, whirlpools, maelstroms, inundations, deluges, cloudbursts: its vast circumterrestrial ahorizontal curve: its secrecy in springs and latent humidity, revealed by rhabdomantic or hygrometric instruments and exemplified by the well by the hole in the wall at Ashtown gate, saturation of air, distillation of dew: the simplicity of its composition, two constituent parts of hydrogen with one constituent part of oxygen: its healing virtues: its buoyancy in the waters of the Dead Sea: its persevering penetrativeness in runnels, gullies, inadequate dams, leaks on shipboard: its properties for cleansing, quenching thirst and fire, nourishing vegetation: its infallibility as paradigm and paragon: its metamorphoses as vapour, mist, cloud, rain, sleet, snow, hail: its strength in rigid hydrants: its variety of forms in loughs and bays and gulfs and bights and guts and lagoons and atolls and archipelagos and sounds and fjords and minches and tidal estuaries and arms of sea: its solidity in glaciers, icebergs, icefloes: its docility in working hydraulic millwheels, turbines, dynamos, electric power stations, bleachworks, tanneries, scutchmills: its utility in canals, rivers, if navigable, floating and graving docks: its potentiality derivable from harnessed tides or watercourses falling from level to level: its submarine fauna and flora, numerically, if not literally, the inhabitants of the globe: its ubiquity as constituting 90 percent of the human body: the noxiousness of its effluvia in lacustrine marshes, pestilential fens, faded flowerwater, stagnant pools in the waning moon.

50它的普遍性，它的民主的平等性，以及保持着它自身求平的本质。用墨卡托投影法在地图上所标示出的浩淼的海洋；太平洋中巽他海沟那超过八千噚的不可测的深度；永不消停、后浪推前浪地冲刷着海岸线每一部位的波涛以及水面上的微粒子；水的单位粒子的独立性；海洋变幻莫测；根据液体静力学，风平浪静时它纹丝不动；根据液体动力学，小潮大潮时它便涨了起来。暴风雨后一片沉寂；北极圈与南极圈冰冠地带的不毛性以及对气候及贸易的影响；跟地球上的陆地相比占三对一优势；它在亚赤道带南回归线以南的整个区域延伸无数平方海里的绝对权威；其在原始海盆里数千万年以来所保持的稳定性；它那橙红色海床；它那把包括数百万吨贵金属在内的可溶解物质加以溶解，并使之保持在溶解状态的性能；它对半岛和有下陷趋势的岬角所产生的缓慢的浸蚀作用；其冲积层；其重量、容积与浓度；它在咸水湖、高山湖里的静谧；其色调因热带、温带和寒带而变为或浓或淡；与陆上的湖泊、溪流及支流汇合后注入海洋的河川，还有横跨大洋的潮流所构成的运输网。沿着赤道下面的水路自北向南的湾流；海震、水龙卷、自流井、喷泉、湍流、漩涡、河水暴涨、倾盆大雨、海啸、流域、分水岭、间歇泉、大瀑布、漩流、海漩、洪水、泛滥、暴雨等滥施淫威；环绕陆地的上层土壤那漫长的曲线；源泉的奥秘可用探矿杖来占卜或用湿度测定器来揭示；阿什汤大门的墙壁上的洞、空气的饱和与露水的蒸发能够证明那潜在的湿度；水的成分单纯，是氢二、氧一的化合物；水的疗效；水的死海里的浮力；它在小溪、涧谷、水坝的缝隙、船舷的裂口所显示的顽强的浸透性；它那清除污垢、解渴、灭火、滋养植物的性能；作为模范和典型，它的可靠性；它变化多端：雾、霭、云、雨、麦、雪、雹；并在坚固的消防龙头上发挥出压力；而且千姿百态：湖泊、湖岔、内海、海湾、海岬、环礁湖、环状珊瑚岛、多岛海、海峡、峡江、明奇、潮汐港湾、港湾；冰河、冰山、浮动冰原显示出它是何等坚硬；在运转水车、水轮机、发电机、发电厂、漂白作坊、鞣皮厂、打麻厂时，它又是那样驯顺；它在运河、可航行的河川、浮船坞和干船坞所起的作用；潮汐的动力化或利用水路的落差使它得以发挥潜力；海底那些成群的动物和植物虽然并非名副其实地栖息在地球上，论数目却占地球上生物的一大半；水无所不在，占人体的百分之九十；在沼泽地、闹瘟疫的湿地、馊了的花露水以及月亏期那淤积污浊的水塘子，水所散发的恶臭充满了毒气。

The equilibrium condition of alluvial rivers is determined by flow continuity, resistance and sediment transport relations.

冲积河流的水流连续性、阻力和泥沙运动方程决定着天然河流的输水输沙平衡条件。

In loessal regions and alluvial valley fills of the western United States, both surface soil and subsoil are commonly friable

在美国西部黄土区和冲积河谷里，表土和底土一般是容易破碎的。

Depression in the Bohai Sea City West, Yanshanian geosyncline prospective geological structure in southern areas, showing a northern hilly, foothills, plains, the southern alluvial plain, low-lying land topography.

市域处在渤海凹陷西部、燕山准地槽南部的地质构造区，呈现出北部低山丘陵、山麓平原，中、南部冲积平原、洼地地貌。

Beijing Institute of Cultural Relics and Archaeology,Beijing,China,100009Abstract The sedimentary characteristics and facies ofthe cultural layers in the late Paleolithic period of the late Late－Pleistocene in theWangfujing Oriental Plaza site were studied based on the comparison and analysis of thetypical sedimentation profile of the site and more than 150 stratigraphic data.The paleo－geomorphicsurfaces during the periods of 2.2×104a B.P.were rediscovered.The studysuggests that the ancients must have acted in the sandy islands of alluvial fans,whichwere evolved in relatively steady water flows during the interglacial stage with slightlywarming in the last glacial epoch.

沉积相与古地貌研究徐海鹏莫多闻岳升阳朱忠礼郁金城摘要：通过对遗址地层典型沉积剖面和遗址地区150余个地层资料的对比分析，揭示了北京王府井东方广场晚更新世晚期旧石器人类遗址地层的沉积特征与沉积相类型，从而恢复了距今2.2万年前人类在此生存活动的古地貌面。

The work of this paper is as follows: 1. Looking back the progressing history of the linear motor, introducing the features of the elevator driven by linear induction motor, radicating the topic of this paper "the digital frequency variable control of the elevator bi-side direct driven by linear induction motor". The research of this paper covers the conventional VVVF control, space vector based VVVF control, vector control and DTC.

本文主要开展了以下几个方面的工作： 1 回顾了直线电机发展历史，电机的驱动技术演变，特别是针对直线电机的驱动，简要介绍了直线感应电机驱动电梯的优点和不同结构类型，对传统的v／f控制，基于空间矢量法的v／f控制，矢量控制，和基于电压空间矢量的直接转矩控制进行了比较，确立了本课题的研究主题：直线感应电机双边直推式驱动电梯的全数字变频控制。

The article combines with the treatment of a superficial civil air defense work to introduce how the grouting method to improve the performance of the backfill soil.

文章从治理漂浮人防工事的角度提出了注浆技术在改善回填土性质方面的应用，并详细阐述了注浆技术的施工流程。