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石英-长石
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  quartz-feldspar
     Coexisting minerals quartz, feldspar and biotite vary widely in δ18O values and display a conspicuous 18O/16O disequilibrium relation; especially, a quartz-feldspar reversal (△18OQ-F<0) exists in the Aral granite pluton, Altay Mountains, northern Xinjiang.
     新疆阿尔泰阿拉尔花岗岩中共生石英、长石、黑云母的δ~(18)O值具有宽广的变化范围,3者表现出显著的~(18)O/~(16)O不平衡关系,尤其是石英、长石具有倒转△~(18)O_(石英-长石)关系(△~(18)O_(石英-长石)<0)。
短句来源
     Beside heterogeneous ~(18)O depletion, oxygen isotope temperatures show that some mineral pairs (quartz-garnet) achieved and preserved equilibrium during the eclogite-facies metamorphism (600 to 950℃), and the others (quartz-feldspar, dolomite-futile) achieved oxygen isotnpe reequilibration during amphibolite-facies retrograde metamorphism (350 to 570℃) subsequent to the eclogite-facies metamorphism.
     石英-石榴石等高温矿物对的氧同位素温度为600~950℃,指示它们在榴辉岩相变质条件下达到并保存了氧同位素平衡。 而部分石英-长石和白云母-金红石等矿物对的氧同位素温度为350~570℃,指示它们在峰期变质之后的角闪岩相退变质过程中达到并保存了同位素退化交换再平衡。
短句来源
     Oxygen isotope temperatures for one granitic gneiss sample show that the quartz-granet pair achieved and preserved oxygen isotope equilibrium during the eclogite-facies metamorphism (685℃), and the quartz-feldspar pair achieved oxygen isotope reequilibration during retrograde metamorphism (355 to 405℃). This indicates that the Sm-Nd system in the minerals was closed during retrogression.
     对于在角闪岩相退变质之后保存了封闭体系的花岗片麻岩样品(石英-长石矿物对温度为355~405℃),石榴石在榴辉岩相变质温度下达到并保存了氧同位素平衡(石英-石榴石矿物对温度为685℃),指示石榴石中Sm-Nd体系在同样的变质务件下也达到了平衡。
短句来源
  “石英-长石”译为未确定词的双语例句
     FLOTATION FOR SEPARATING QUARTZ FROM FELDSPAR WITH ANION-CATION COLLECTOR
     用阴阳离子混合捕收剂浮选分离石英-长石
短句来源
     The results have indicated that the most widely used flowsheet of separating quartz from feldspar is feldspar-flotation in acidic condition at present, while the most promising flowsheet is in neutral oralkali condition.
     结果表明目前无氟浮选分离石英-长石最常见工艺是酸法浮长石法,最具发展前途的是中性和碱性条件下的浮选流程。
短句来源
     Therefore,the ammonia leaching residue can be used as the fluxing agent and pigment in quartz-feldspar-kaolin ternary system ceramics.
     研究认为,氨浸渣可以作为石英-长石-高岭土3组分陶瓷的助熔剂和色料。
短句来源
  相似匹配句对
     Type D has only one sample, which comes from the metamorphosed arkose sandstone.
     D型是变质的长石石英砂岩。
短句来源
     ADSORPTION OF SODIUM OLEATE ON QUARTZ AND FELDSPAR
     油酸在石英长石表面的吸附
短句来源
     FLOTATION FOR SEPARATING QUARTZ FROM FELDSPAR WITH ANION-CATION COLLECTOR
     用阴阳离子混合捕收剂浮选分离石英-长石
短句来源
     EFFECT OF DIOPSIDE ON MICROSTRUCTURE OF QUARTZ-CLAY-FELDSPAR TERCOMPONENT CERAMICS
     透辉石对石英-粘土-长石三组分陶瓷显微结构的影响
短句来源
     EFFECT OF ANDALUSITE ON PHYSICAL PROPERTIES OF QUARTZ-CLAY-FELDSPAR TERNARY CERAMICS
     红柱石对石英-粘土-长石三组分陶瓷性能的影响
短句来源
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  quartz-feldspar
A mechanism is proposed to explain the genesis of biotite-quartz-feldspar plagiomigmatite leucosomes as a consequence of the reaction of an amphibolite protolith with ascending fluid.
      
Regular quartz-feldspar (graphic) and two-feldspar intergrowths are typical of granitic pegmatites.
      
In the course of evolution of the Kronotsky island arc, all these elements were overlapped by tephrogenic turbidites (Pikezh Formation) and quartz-feldspar graywackes (Pikezh Sandstone) that were involved in the accretionary prism as well.
      
In the Eocene, a considerable amount of quartz-feldspar sediments enriched in radiogenic Nd was consumed in the subduction zone, which resulted in a strong contamination of magmas derived from the garnet lherzolites of the mantle wedge.
      
The Pancarli Ni-Cu mineralization is located in the metamorphic sequence of the Bitlis massif consisting of biotite gneiss, quartz-feldspar gneiss, amphibolite, and metagranitic rocks.
      
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1.通过微团聚体分析和微团聚体的显微镜形态观察表明,微团聚体主要分布在0.01毫米以下部分,呈疏松多孔绵絮状态,肥土比瘦土的数量多,且细小孔隙多,颜色也较深暗。0.25—0.01毫米部分,肥土比瘦土的数量少,基本上都呈单粒状态存在,多半是细分散的石英长石等,颜色较浅,仅含有少量的微团聚体。1—0.25毫米部分,肥土比瘦土的数量多,一部分是团块,一部分是粗砂,肥土的团块边缘呈波浪状,瘦土则较平滑。2.土壤越肥,腐殖质合量越多,腐殖质渗透到土壤细小部分中的也更多,因而形成的微团聚体品质较好。过氧化氢和水对<5微米微团聚体的破坏情况亦证实了肥土微团聚体的稳固程度比瘦土高。3.土壤及<5微米微团聚体分析结果都反映出:土壤肥瘦不同,结合的腐殖质的形态也不同。土壤越肥,紧结态腐殖质合量越高,而游离松结态胡敏酸含量越低。肥瘦间这种差异在微团聚体中表现更为显著,特别是紧结态腐鱼质尤为明显。肥土微团聚体中占总量的72.76%,而瘦土仅为63.33%(土壤肥瘦间分别为58.27%和54.64%)。然而吸着联结态胡敏酸却有相反的趋势,即在土壤中,肥土含量比瘦土高;而在<5微米微团聚休中则反之。我们认为这可...

1.通过微团聚体分析和微团聚体的显微镜形态观察表明,微团聚体主要分布在0.01毫米以下部分,呈疏松多孔绵絮状态,肥土比瘦土的数量多,且细小孔隙多,颜色也较深暗。0.25—0.01毫米部分,肥土比瘦土的数量少,基本上都呈单粒状态存在,多半是细分散的石英长石等,颜色较浅,仅含有少量的微团聚体。1—0.25毫米部分,肥土比瘦土的数量多,一部分是团块,一部分是粗砂,肥土的团块边缘呈波浪状,瘦土则较平滑。2.土壤越肥,腐殖质合量越多,腐殖质渗透到土壤细小部分中的也更多,因而形成的微团聚体品质较好。过氧化氢和水对<5微米微团聚体的破坏情况亦证实了肥土微团聚体的稳固程度比瘦土高。3.土壤及<5微米微团聚体分析结果都反映出:土壤肥瘦不同,结合的腐殖质的形态也不同。土壤越肥,紧结态腐殖质合量越高,而游离松结态胡敏酸含量越低。肥瘦间这种差异在微团聚体中表现更为显著,特别是紧结态腐鱼质尤为明显。肥土微团聚体中占总量的72.76%,而瘦土仅为63.33%(土壤肥瘦间分别为58.27%和54.64%)。然而吸着联结态胡敏酸却有相反的趋势,即在土壤中,肥土含量比瘦土高;而在<5微米微团聚休中则反之。我们认为这可能是由于土壤中存在着部分胡敏酸与游离二三氧化物相作用,形成有机矿质化合物所致。不论土壤或微团聚休中腐殖质的结合形态都说明了,土壤越肥,有机矿质胶体的融和越为彻底,从而也证明了土肥相融的实质——土壤中有机矿质胶体的融和。 4.中壤质浅色草甸土中,两种粒径团聚体腐殖质结合形态的分析结果表明,不论土壤肥瘦,紧结态腐殖质在两种大小团聚体中起着主要的作用,占团聚体腐殖质总量的81—90%左右,游离松结态及吸着联结态胡敏酸二者合计仅占19—10%。土壤越肥,紧结态腐殖质的合量更显增高;而游离松结态和吸着联结态胡敏酸合量则越低。不论肥土或瘦土,紧结态腐殖质在3—1毫米团聚体中合量都大于1—0.5毫米,而其他二种形态胡敏酸则有相反趋势。同时,在农业生产中的意义也以3—1毫米为大。因此,这些结果都从不同角度表征着与粘粒紧密结合的腐殖质在创造土壤良好结构中起着重要的作用。5.值得注意的是游离松结态胡敏酸含量,在不同粒径团聚体中差别较为显著,不论肥土或瘦土,1—0.5毫米的含量几为3—1毫米的三倍。我们认为这显示出:新生的活性较大的腐殖质,大部分先与土壤细小颗粒作用,然后随着时间的加长和水热条件的变化,腐殖质和粘粒结合越来越紧,胶膜亦愈增厚,加之植物根系的挤压等生物因素,以及土壤中不断形成的新鲜腐殖质的胶结作用,使小团聚体进一步彼此团聚为大结构体,从而使土壤结构性更加良好。

Investigations on the mineralogical properties of the important soils developed on sediments in Northern Honan made by X-ray diffraction, polarizing microscopic examination and chemical analysis showed that the mineralogical composition of the soil was closely related to the origin of the sediment materials, but not related to the soil types and the mechanical composition. The main constituent of the clay fraction (<1 micron) of the soils was hydrated micas, at the same time kaolinite, montmorillonite and a...

Investigations on the mineralogical properties of the important soils developed on sediments in Northern Honan made by X-ray diffraction, polarizing microscopic examination and chemical analysis showed that the mineralogical composition of the soil was closely related to the origin of the sediment materials, but not related to the soil types and the mechanical composition. The main constituent of the clay fraction (<1 micron) of the soils was hydrated micas, at the same time kaolinite, montmorillonite and a few vermiculite were also present. The content of montmorillonite was highest in the soils developed on the sediments of Yellow river, and it was lower in the soils developed on the primary and secondary loess and on the sediments of Zhang river, whereas the least content of montmorillonite was found in the soils developed on the sediments of Xin river.

对豫北平原几种主要沉积物发育的土壤进行了X射线分析、化学分析和偏光显微镜鉴定。结果表明在0.001毫米和0.01—0.1毫米粒级中,这几种土壤的矿物成份与沉积来源有关,而与土壤类型及土壤机械组成关系不大,这些沉积物发育的土壤的粘粒部份(小于0.001毫米)主要成份是水化云母,并有高岭石、蒙脱石和少量的蛭石。黄河沉积物所发育的土壤含蒙脱较多;漳河沉积物、黄土、次生黄土所发育的土壤次之;沁河沉积物所发育的土壤含蒙脱最少。在0.01—0.1毫米这一粒级中,原生矿物的轻矿物主要由石英长石和云母组成。重矿物在黄河沉积物中以普通角闪石为主,沁河和漳河沉积物以磁铁矿为主。最后讨论了根据矿物组成来推测沉积物的来源的可能性。

While linear relationship exists between porosity and depth of burial of sandstones at the northern flank of Bei Dagang structural zone, the opposite is true in the case of the sandstones at the southern flank, where at the depth of less than 3,500 meters, the porosity of sandstones decreases with their increasing depth till 3,500 meters when the curve assumes an upward trend, and at 4,000 meters there occur sandstones with an average porosity of 14% to the maximum porosity of 20%. This is attributable to the...

While linear relationship exists between porosity and depth of burial of sandstones at the northern flank of Bei Dagang structural zone, the opposite is true in the case of the sandstones at the southern flank, where at the depth of less than 3,500 meters, the porosity of sandstones decreases with their increasing depth till 3,500 meters when the curve assumes an upward trend, and at 4,000 meters there occur sandstones with an average porosity of 14% to the maximum porosity of 20%. This is attributable to the preservation of a part of the primary porosity in the rocks due to the formation of high porosity pressure. The increase of porosity pressure may effectively check the action of compressive solution at the granular contacts and reduce the extent of secondary enlargement of quartzites and feldspars. It is presumed that the high porosity pressure is resulted from differential compaction of sandstones and mudstones in the process of their diagenesis.

北大港构造带北翼砂岩孔隙度与深度的关系为直线型,而南翼砂岩孔隙度与深度的关系为曲线型。南翼在3500米以上,砂岩孔隙度随深度增加而减少,到3500米有回升趋势,而在4000米的深处还有平均孔隙度为14%,最大孔隙度20%的砂岩。这种现象产生的原因是保持了一部分原有孔隙度,而保持孔隙度的控制因素是形成高孔隙压力。由于孔隙压力的增高可以有效地减低颗粒接触处的压溶作用和石英长石次生加大的范围,而这种高压往往由于砂泥岩差异压实作用的结果。

 
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