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碎屑
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  detrital
    PRELIMINARY STUDY ON DETRITAL MINERALS OF MODERN SEDIMENTS OF OKINAWA TROUGH
    冲绳海槽现代沉积物中的碎屑矿物初步研究
短句来源
    DETRITAL MINERALS IN THE SEDIMENTS OF CORE S_11 AND SEDIMENTATION IN SEA AREA WEST OF SOUTH SHETLAND ISLANDS
    南设得兰群岛西海域S_(11)岩芯沉积物中碎屑矿物及沉积作用的探讨
短句来源
    Characteristics of detrital sediments for the Great Wall Bay and its adjacent area
    长城湾及其附近碎屑沉积特征
短句来源
    A study on detrital minerals in the sediment of the Great Wall Bay
    长城湾沉积物中碎屑矿物的初步研究
短句来源
    POC(D)(detrital POC) is a major composition of total POC in surface water of Xiamen coastal area.
    碎屑POC为厦门近岸海域表层海水POC的主要组成部分。
短句来源
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  debris
    Based on the survey data,the spatial distribution characteristics of surface sediment debris minerals in Shenzhen Dapeng Bay,Guangdong,are analyzed using the method of spatial analysis,geological statistics,interpolation and landscape ecology.
    立足样品测试数据,利用空间分析、空间插值、地质统计以及景观生态学方法,深入分析了深圳大鹏湾表层沉积物碎屑矿物的空间分布特征,并使用球状模型对相应半变异函数进行理论建模。
短句来源
    SPATIAL DISTRIBUTION CHARACTERISTICS OF SURFACE SEDIMENT DEBRIS MINERALS IN SHENZHEN DAPENG BAY,GUANGDONG
    深圳大鹏湾表层沉积物碎屑矿物空间分布特征
短句来源
    DEBRIS TRANSPORT ON THE WESTERN CONTINENTAL SLOPE OF THE OKINAWA TROUGH:SLUMPING AND GRAVITY FLOWING
    冲绳海槽西部陆坡碎屑沉积物的搬运方式:滑塌和重力流
短句来源
    Based on the identical variation of the elements, the former three element groups are correspondent to terrigenous debris deposit, biogenic deposit, and volcanic deposit respectively,and the latter two element groups are related to the redistribution of the elements and autogenic deposit of the early diagenesis.
    根据元素在垂向上的协同变化关系 ,前 3个元素组合分别对应于陆源碎屑沉积、生源沉积和火山沉积 ,后两个元素组合主要与早期成岩过程中元素的再分配和自生沉积作用有关。
短句来源
    In this stratigraphic scale, the grain size and chemical compositions of the core sediments vary with the paleoenvironmental conditions. Compared with the Holocene epoch, the sedimentation velocity of the last deglaciation is higher, the grain size is coaser and the terrigenous debris elements such as SiO 2,Al 2O 3,K 2O are richer, and the biogenic elements such as CaO and Sr are relatively low.
    与全新世相比 ,末次冰消期沉积速率较高 ,沉积物的粒度相对较粗 ,陆源碎屑组分 Si O2 、Al2 O3、K2 O等相对较高 ,生源组分 Ca O和 Sr的含量相对较低
短句来源
  detritus
    Distribution Characteristics of Mineral Detritus in Surface Sediment From the Quanzhou Bay and Their Environmental Significance
    泉州湾海域表层沉积物矿物碎屑分布特征及其环境意义
短句来源
    Element analysis result indicate that sinking particulates in lagoon mainly come from biogenic detritus while part of particulates come from resuspend sediments in the seaward slope of reef.
    元素分析进一步显示珊瑚礁泻湖内沉降颗粒物主要是自生碎屑,而礁外沉降颗粒物包含了一部分再悬浮的碎屑矿物,但元素在泻湖内外的转移机制是类似的,造成颗粒物来源差别的主要原因是动力学因素。
短句来源
    In the model, 6 state variables (DIN, PO4-P, phytoplankton, scallop, organic detritus, and dissolved organic nutrients) were included.
    涉及溶解无机氮(DIN)、磷酸盐(PO_(4-)P)、浮游植物、贝类、有机碎屑和溶解有机态营养盐6个状态变量。
短句来源
    The daily variations of Chi. a, POC, primary production and 234Th/238U disequilibria in the Xiamen Bay were studied. POC concentration in the study area ranged from 14. 4 to 34. 6 mmol/m3, with an average concentration of 21. 6 mmol/m3. The contributions of living organic carbon (phytoplankton) and organic detritus were estimated to be about 8% ~ 26% and 74% ~92% of the total POC, respectively.
    对厦门湾塔角附近海域某站位叶绿素 a、POC、初级生产力、234Th/238U不平衡进行的周日变化研究表明,POC含量介于14.4~34.6 mmol/m3之间,其中碎屑有机碳与活体有机碳所占份额分别为74%~92%和8%~26%.
短句来源
    The great variation in δ 13 C of zooplankton(-20.4‰ ~ -10.9‰) was suggested that there may exist two trophic sources -- phytoplankton and detritus.
    浮游动物的δ13C值变化较大 ,范围为 - 2 0 .4‰~ - 1 0 .9‰ ,表明可能存在浮游植物和碎屑两种营养来源 .
短句来源
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  “碎屑”译为未确定词的双语例句
    Study on Fragmentary Minerals Surface Sadiments in Jiulong River Estuary
    九龙江口表层沉积中碎屑矿物的研究
短句来源
    DOMINANCE FACTORS OF THE TERRIGENOUS SEDIMENT GRANULOMETRIC DISTRIBUTION IN THE LOWER SUNDA SLOPE
    巽他陆坡下部陆源碎屑粒度分布的控制因素
短句来源
    GRAIN SIZE RECORD OF TERRIGENOUS CLAST DURING MID-PLEISTOCENE TRANSITION (0.78~1.0 Ma) IN THE NORTHERN SOUTH CHINA SEA
    南海北部中更新世0.78~1.0Ma期间的陆源碎屑粒度记录
短句来源
    The formation II is hornblende -epidote -magnetite - ilmenite assemblage, enriched in heavy mineral and opaque mineral, and controlled by ultrastable elements which are Ti, Th, Sc, Pb etc.
    层Ⅱ为角闪石—绿帘石—磁铁矿—钛铁矿组合,重矿物和金属矿物富集,受强稳定性的Ti、Th、Cr、Sc、Pb等亲碎屑元素控制,高含Ti、Cr、Sc、Pb、Th;
短句来源
    Nature of mother rock and hydrodynamic conditions are considered to be the main factors controlling mineral assemblages.
    根据重矿物含量变化,我们将浙江沿岸碎屑矿物大致划为8个组合类型,并认为控制矿物组合的主要因素是母岩性质和水动力条件。
短句来源
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  detrital
Elemental and Sm-Nd isotopic geochemistry on detrital sedimentary rocks in the Ganzi-Songpan block and Longmen Mountains
      
Systematic results of major and trace element geochemistry and Sm-Nd isotopic geochemistry on detrital sedimentary rocks of Precambrian to Triassic in the Ganzi-Songpan block and Longmen Mountains are presented.
      
Cenozoic uplift of West Qinling, northeast margin of Tibetan plateau-a detrital apatite fission track record from the Tianshui b
      
Thermochronologic study on the detrital apatite grains from sandstones at Yaodian, near Tianshui, has revealed two rapid tectonic uplift-exhumation events of the source area, which happened at 23.7 and 14.1 Ma, respectively.
      
Fission-track dating of zircon showed that sandstones from this zone contain detrital zircon of several different-age populations.
      
更多          
  debris
Concept and Classification of Coarse Woody Debris in Forest Ecosystems
      
Coarse woody debris (CWD) is generally considered as dead woody materials in various stages of decomposition, including sound and rotting logs, snags, and large branches.
      
Experimental data are analyzed that concern the effect of zoogenic debris on the properties of soddy deep podzolic soils and raw-humus brown soils characteristic of southern taiga forests in the Yenisei region of Siberia.
      
Zoogenic plant debris falling on the ground surface during tree stand defoliation is a short-acting but powerful stimulant of biological activity in the litter; hence, it has a considerable effect on soil properties.
      
The results of experimental studies on the contribution of zoogenic debris to transformation of soil properties in the southern taiga subzone of Central Siberia are analyzed.
      
更多          
  detritus
Representatives of gamasid (three species) and uropodid (two species) mites abundant in storm detritus were used as model species.
      
Unbalanced composition of higher trophic levels results in an unstable functioning of the lake and accumulation of significant amounts of detritus, which is utilized by the abundant microzoobenthic component of the ecosystem.
      
As against zooplankton, the biomass of zoobenthos features much less contingencies with the biomass of microalgae as well as zooplankton, since detritus, higher plant tissues, and small animals are the basis of the diet of benthic organisms.
      
Specific structural features of giant fishbone detritus accumulations, which represent organic phosphate deposits with uranium and rare earth elements, are scrutinized.
      
The obtained results have made it possible to reconstruct paleotectonic and paleogeographic conditions of the formation of orebodies, as well as the mechanism for the accumulation of metalliferous bone detritus.
      
更多          


The Luwaitou fringing reefs are one of the well developed reef areas in Hainam lsland. it is an elevated reef. There are two categories of sediments in reef region: coral reef and biodetritus. Physiographic-lily, it could be divided into five fades zones: the reel front, growing reef, reef flat, beach and lagoon; and each zone could be further subdivided. It is realized that, lithological character, grain size component, ccuiposition of sediment and biota (especially microfanna), are the useful diagnostic criteria...

The Luwaitou fringing reefs are one of the well developed reef areas in Hainam lsland. it is an elevated reef. There are two categories of sediments in reef region: coral reef and biodetritus. Physiographic-lily, it could be divided into five fades zones: the reel front, growing reef, reef flat, beach and lagoon; and each zone could be further subdivided. It is realized that, lithological character, grain size component, ccuiposition of sediment and biota (especially microfanna), are the useful diagnostic criteria in discrimination of various reef facies.

鹿回头珊瑚岸礁是海南岛岸礁发育较好的地区之一,属于上升礁范畴。礁区沉积分为岸礁沉积和生物碎屑沉积两类。鹿区可划分为五个沉积相带:礁前带、礁沐生专带、礁坪带、海岸带和礁后泻湖带.各带按沉积特征还可细分为2—3个亚带。研究证明:沉积物粒度资料、物质组分和生物(特别是微体生物)的生态条件等可用作指相标志。

In the pleistocene biosparites on the Shidao lsland of Xisha Archipelago forms of small anticlines, which have been found former, are originated from sedimentation and do not belong to the products of disjunctive and plicative dislocations, as some people have thought. They reflect original occurrence of littoral sediments in situ. Detailed studies of the various fabrics and paleontologies show that the pleistocene biosparites are the complex of beaches, sand spits, barriers and dunes subfacies of the carbonate...

In the pleistocene biosparites on the Shidao lsland of Xisha Archipelago forms of small anticlines, which have been found former, are originated from sedimentation and do not belong to the products of disjunctive and plicative dislocations, as some people have thought. They reflect original occurrence of littoral sediments in situ. Detailed studies of the various fabrics and paleontologies show that the pleistocene biosparites are the complex of beaches, sand spits, barriers and dunes subfacies of the carbonate sand cay facies on the sublittoral table reef in the open sea. The depositional features and environmental interpretation of this region are worthy to be considered in the investigation of other similar cases.

我国西沙群岛的石岛上,更新世生物碎屑灰岩中所见小型背斜构造不是地壳构造运动的产物,而是沉积过程中形成的沉积背斜,它反映了海岸沙嘴、沙堤等堆积体固有的层理特征。在海岸带沉积中,这类现象较普遍;不仅在生物碎屑中存在,在陆源碎屑中也存在;在研究古老沉积岩的组构时也须引起充分重视。沉积组构是辩别沉积相的重要标志。在综合分析岩石各种组构的基础上,确定石岛更新世生物碎屑灰岩的沉积相属于广海浅水碳酸盐台礁上的灰沙岛砂沉积。它们在渗流带坏境内,经受早期成岩作用,由亮晶方解石胶结成岩。

It is a new technique using the scanning electron microscope to study the surface textures of quartz grains. When quartz grains undergo the abrasion, solution and precipitation, there will be various textures on their surfaces. According to the textures pattern and probability, we can suggest the environment of sediment.Hundred-Step Sand and Thousand-Step Sand are two kinds of sand coasts on Putuo Island. We observed fifteen samples collected from supratidal zone to subtidal zone of these two sand coasts and...

It is a new technique using the scanning electron microscope to study the surface textures of quartz grains. When quartz grains undergo the abrasion, solution and precipitation, there will be various textures on their surfaces. According to the textures pattern and probability, we can suggest the environment of sediment.Hundred-Step Sand and Thousand-Step Sand are two kinds of sand coasts on Putuo Island. We observed fifteen samples collected from supratidal zone to subtidal zone of these two sand coasts and have discovered that the surface textures among them differ from each other. In the high-energy supratidal zone and the upper of the intertidal zone, the conchoidal breakage, dish pits and V-shaped pits are the major textures. In the low-energy subtidal zone the solution-precipitation of chemical action is a key factor. Soluton depressions and upturned plates are formed. According to the above features, the combination of quartz surface textures can be used as auxiliary criterion of subfacies.

应用扫描电子显微镜研究石英表面结构是一种新技木。石英碎屑在沉积和搬运过程中,遭到机械蘑蚀化学溶解和沉淀作用,产生不同的表面结构。根据这些表面结构形态组合和出现几率可作沉积环境分析。我们对普陀岛现代海岸的石英颗粒作了扫描电镜观察,发现各亚相带的石英表面结构有所不同。潮上带和潮间带上部,波浪能量大,主要产生机械作用形态,如贝壳断口,碟形坑、V形坑等。潮下带,波浪能量纸,主要是化学溶解和沉淀作用所形成的溶蚀坑和被复薄片。根据上述特点,石英颗粒表面结构组合特征,可推测沉积时海岸的能量条件,并可用作亚相划分的辅助标志。

 
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