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  “grey”译为未确定词的双语例句
    A PRELIMINARY STUDY OF GREY MODEL (1,3) APPLIED TO GROUNDWATER LEVEL FORECAST IN A KARSTIFIED AREA OF GROUNDWATER EXPLOITATION
    GM(1,3)模型在岩溶地下水开采区进行水位预测的初步尝试
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    The Application of Grey Weight-model in Groundwater Exploitation and Land Subsidence
    带权GM(0,h)模型在地下水开采-地面沉降研究中的应用
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    The difference of error of wave shape and the steep slop in red band is 60-70% between high and low value, The difference of grey value of TM and AIS is 50-100% between the high and low value.
    波形方差和陡坡斜率最高与最低者相差60-70%。 TM和AIS次度值最高与最低相差50-100%。
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    In this article, based on the system theory and cybernetics, the normal variety of the observational system is collocated by the dynamic grey box with four state variates of M(t), S(t), η_1(t), and η_2(t).
    本文从系统论、控制论出发,用M(t),S(t),η_1(t)和η_2(t)四个状态变量的动态灰箱,拟合并推估观测系统的正常变化。
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    Using the grey model, we have computed forecast values of the oil industrial total output values in 1988, 1989, 1990, 1991, etc.
    同时用模型计算出了1988、1989、1990、1991等四年的石油工业总产值的预测值。
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In our previous studies, grey satellite foci were found in the front of heads of pterygia.
      
Effect of Gamma Irradiation on the Preference Behavior and Lipid Metabolism in Grey Garden Slug Deroceras reticulatum Mull.
      
Sorption of heavy metal (copper and strontium) ions by the meadow chernozem and grey forest soils differing in the content of organic substance was described using the Langmuir equation.
      
The fungal-bacterial ratio in the soils of natural ecosystems (0-5 cm, without litter) was 4.3, 2.2, 1.5, and 1.5 for tundra soil, virgin chernozem, coniferous (soddy-podzolic soil), and larch (grey forest soil) forests, respectively.
      
The lower layers of soddy-podzolic (5-10 cm) and grey forest (48-58 cm) soils showed a decrease in the fungal and increase in the bacterial component in the total SIR.
      
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Various kinds of acid igneous rocks are found around the Kushan, to theeast of Foochow, Fukien. One earlier variety of the granites, provisionally termedas Kushan Granite, is coarser-grained, often flesh-colored, and biotite-bearing,similar in character to the most frequently seen and widely distributed graniteof whole Fukien; the other, the Kueichi Granite, often intruding into the firstnamed, is colored by different shades of grey, mostly, fine-grained, and mia-rolitie, containing minor amount of hornblende...

Various kinds of acid igneous rocks are found around the Kushan, to theeast of Foochow, Fukien. One earlier variety of the granites, provisionally termedas Kushan Granite, is coarser-grained, often flesh-colored, and biotite-bearing,similar in character to the most frequently seen and widely distributed graniteof whole Fukien; the other, the Kueichi Granite, often intruding into the firstnamed, is colored by different shades of grey, mostly, fine-grained, and mia-rolitie, containing minor amount of hornblende instead of biotite, yet sometimesvarying its texture to felsitic, porphyritic, or even to micro-graphic. In thecourse of weathering, the soils thus formed from these two granites, as well astheir corresponding surface vegetations are also evidently dissimilar. That the Kueichi granite was really intruding into the Kushan is evidencedby its ramifying apophyses in the latter, its broad marginal phase, its miaro- litie cavities elongated and lined parallel to the intrusive contact and the"sericitization front", so to show a convex curvature facing the Kushan Graniteside along their mutual contact. The prevalent strike of the contact of the granites conicides with thefracture and joint systems of the Kushan Granite, one set of which is N65°E,being also parallel to one of the major vertical joints of the Kueichi. This isprobably due to the prolonged fracturing during the formation of Pacificfolding zones of the Chekiang and Fukien coast, rendering the KueichiGranite intruding along the said fracture system yet itself subjected to the samemechanical stress. Rocks correlated to these two granites are found elsewhere in Fukien. Theymay also be comparable to the two granites of Sihwashan, S. Kiangsi, foundby C. S. Mo and his colleagues. The repeated intrusions of the Post-Jurassicgranites may allow to consider the possibility of repeated formations of theirgenetically related ores. The lead-zinc deposits of Yuntai and Lungyai areprobably related to the igneous activity of the Kueichi Granite.

经初步瞭解,福建鼓山分布着两种后侏罗纪花岗岩。这从岩石地面分布上的接触情况与显微镜下观察的岩石中组成成分的接触情况两方面得到证实的。从二者产生状态看来,彼此生成时间甚为接近,而同属於太平洋运动产物,分属早晚期活动。再根据前人各种地质文件,推论出福建各地普遍存在着相当於这两种侵入的花岗岩类岩石。因此,联系到福建后侏罗纪金属矿成矿作用的多次性可能。这在江西西华山已有发现。此后从多次性来研究后侏罗纪的炎成矿床的成矿作用,成为必要了。

Gondwana facies of Late Carboniferous and Permian age have been widely distributed in the Qomolangma Feng region in Southern Xizang, China. This paper describes the sediments in the northern slope of the Qomolangma Feng recently discovered by the Qomolangma Feng Scientific Expedition during the years 1974-1975, and also roughly correlates them with the sediments of Salt Range and other regions of the Himalayas.The Gondwana facies concerned here are characterized by the glacial marine sediments, the Stepanoviella...

Gondwana facies of Late Carboniferous and Permian age have been widely distributed in the Qomolangma Feng region in Southern Xizang, China. This paper describes the sediments in the northern slope of the Qomolangma Feng recently discovered by the Qomolangma Feng Scientific Expedition during the years 1974-1975, and also roughly correlates them with the sediments of Salt Range and other regions of the Himalayas.The Gondwana facies concerned here are characterized by the glacial marine sediments, the Stepanoviella fauna of Jilong Formation and the Glossopteris flora of the Qubu Formation. The Jilong Formation with thickness about 730 m, can be subdivided into the lower Zhadari diamictite member, the middle Stepanoviella arenaceous siltstone member and the upper Chaya Quartzose sandstone member. The Zhadari diamictite member, thick approximately 30 m, consists mainly of grey diamicti-tes of glacial marine origin and may be correlated with the Talehir boulder beds from the Indian sub-continent, the age of which is generally believed to represent Late Carboniferous or Late Carboniferous to Early Sakmarian stage. The Stepanoviella arenaceous silttone member, about 0.5-1m thick, consists of bioclastic arenaceous siltstone with aboundent megafossils known as Stepanoviella fauna of Late Sakmarian to Early Artinskian stage, comparable with the Umaria marine beds or Eurydesma fauna (s.l.) from the Indian sub-continent. The chaya quartzose sandstone member, about 700 m thick, consists of the fine sandstone and quartzose sandstone intercalated with some shales. The Qubu Formation (about 20m thick) is represented by quartzitic sandstone and shales of early Late Permian, very rich in Glossopteris flora and comparable with Raniganj Formation of the Damuda, Group in the Indian sub-continent.Following the plate tectonics theory, the "Xiang Quan-Yalu Tsangpo suture" probably represents the collision boundary of the Indian Plate subducted beneath the Eurasia Plate before 70-12 million years. Thus it obvious that the whole Himalayan mountains once occurred as a part of the northern margin of the Indian Plate, as is shown by the occurrence of the Gondwana facies in the northern slope of the Qomolangma Feng and other regions of the Himalayas. It is, therefore, suggested that the Southern Tethyan Himalayan Sea in Late Palaeozoic was an epiric sea associated with the Indian Plate.From the informations mentioned above the northern boundary of the Gondwana facies occurred in Asia continent seems to be not beyond the Xiang Quan-Yalu tsangpo river geosuture.

于1975年我国再次登上珠穆朗玛峰的科学考察活动中,在地质方面获得了地层、古生物、岩石、构造等方面比较珍贵的资料。珠峰科考资料研究的新成果是在反击右倾翻案风斗争取得伟大胜利的大好形势推动下取得的。本刊将发表《珠穆朗玛峰北坡冈瓦纳相地层的发现》等相互联系的一组文章,从地层、沉积、古生物的角度,以较丰富的资料证实了珠峰北坡冈瓦纳相地层的存在,这对于探讨珠穆朗玛峰及喜马拉雅山的隆起和地质发展史具有重要价值。

Ferrifayalite is a Fe~(3+)-rich silicate mineral. It occurs in the Anshan type-like magnetite deposit of Liaoning Province. Ferrifayalites distribute unevenly and aggregate commonly as bands, with a percentage usually lower than that of magnetites, occasionally reaching to 10%. Crystals of ferrifayalite mainly xenomorphic granular, 0.25—0.7mm. to individually 1mm in diameter. Color blackish, luster submetallic with blackish brown streak. Cleavages of (100) distinct, (010) indistinct. Non magnetic but mediumly...

Ferrifayalite is a Fe~(3+)-rich silicate mineral. It occurs in the Anshan type-like magnetite deposit of Liaoning Province. Ferrifayalites distribute unevenly and aggregate commonly as bands, with a percentage usually lower than that of magnetites, occasionally reaching to 10%. Crystals of ferrifayalite mainly xenomorphic granular, 0.25—0.7mm. to individually 1mm in diameter. Color blackish, luster submetallic with blackish brown streak. Cleavages of (100) distinct, (010) indistinct. Non magnetic but mediumly electro magnetic. Hardness 5.5—6.5 S. G. 3.967.Opaque. Under reflected polarizing microscope, grey in color, anisotropic and with distinct bireflexicon (reflection-pleochroism). Indices of refraction were calculated from reflectivities : ∥ cleavage, N_(546)=2.03±0.04, N_(589)=2.01±0.04;⊥cleavage, N_(546)=2.04±0.04, N_(589)=2.03±0.04. Biref. △_(546)=0.01; △_(589)=0.02.Chemical composition of ferrifayalite rather simple and stable Pe_2O_3 content high, occasionally reaching to 45.1%. Th crystallochemical formula is Fe~(2+)Fe~(3+)(SiO_4)_2.Monoclinic in system. Space group C_(2h)~5-P2_1/b.a=4.808, b=10.171, c=5.824, α=90°.X-ray powder strong lines: 3.488(10), 2.774(9), 2.521(10), 2.405(7), 2.246(7), 1.745(8) etc., some with scattering phenomena.In the curve of D. T. A., there is one heatemitting peak at 700℃.In the infrared absorption spectrograph there are SiO_4 deformation vibration at 840—1120 frequency region.In single crystal structure analysis uses were made with equi-inclination weissenberg multiple film method according to olivine orientation. We had collected seven sets of diffraction photographs of 0kl-2kl, hk0-kh2, hOl, totally 246 independent diffraction spots. The photographs show V_h-D_(2h)-mmm laue symmetry, and on account of the crystal possessing neither gliding plane n nor symmetrical plane m of the spacegroup of olivine D_(2h)~(16)-Pbnm, it is thus determined the sole space group to be C_(2h)~5-P2_1/b. The parameters of the coordinates of every kind atom are determined after crystallochemistry principle and Patterson projection pattern. R_(oxt)=0.23, R_(hko)=0.21.The crystal structure analysis shows that ferrifayalite is an independent mineral with ordered vacant lattice position olivine type structure. It shares some features in common with that of olivine structure type, including a similar orientation of the tetrahedron, but it is different from olivine structure type in consisting of the edgesharing octahedral linear chains instead of the zigzag chains. Fe~(2+) situate at the center of symmetry of olivine, but it is vacant in this mineral at (0, 0, 1/2) and (1/2, 1/2, 1/2) symmetrical centers. Thus the structure becomes an ordered vacant lat- tice position structure.The cleavages, hardness optical properties etc. can all be properly explained with structure.After comparing the chemical composition, physical properties and size of unit cell of this mineral with that of MnO_2-bearing ferrifayalite informed by I. W. Ginsburg, the authors of present paper believe that these wo minerals possibly belong to the same kind of mineral, but the structure as they thought is quite different to ours.

高铁铁橄榄石(ferrifayalite)是富含Fe~(3+)的硅酸盐矿物,产于我国辽宁省似鞍山式磁铁矿矿床中。它在矿石中分布不均匀,多呈条带状产出,含量一般低于磁铁矿,有时含量可高达10%,晶体主要呈他形粒状,粒径0.25—0.7毫米,个别达1毫米。黑色,半金属光泽,条痕为黑褐色,(100)解理清楚,(010)解理不清楚。有中等磁性,具中等电磁性,硬度5.5—6.5,比重3.967。在偏光镜下不透明,反射光下为灰色,非均质,双反射清楚,折射率是由反射率换算的,在‖解理时N_(546)=2.03±0.04,N_(589)=2.01±0.04;⊥解理时,N_(546)=2.04±0.04,N_(589)=2.03±0.04;重屈折△_(546)=0.01,△_(589)=0.02。化学成分简单,较稳定,Fe_2O_3含量高,可达45.1%,结晶化学式为Fe~(3+)Fe_2~(3+)[SiO_4]_2。该矿物属单斜晶系,空间群为C_(2h)~5—P2_1/b。a=4.808,b=10.171,c=5.824,α=90°。粉晶强谱线有:3.488(10),2.774(9),2.521(10),2.405(7),2...

高铁铁橄榄石(ferrifayalite)是富含Fe~(3+)的硅酸盐矿物,产于我国辽宁省似鞍山式磁铁矿矿床中。它在矿石中分布不均匀,多呈条带状产出,含量一般低于磁铁矿,有时含量可高达10%,晶体主要呈他形粒状,粒径0.25—0.7毫米,个别达1毫米。黑色,半金属光泽,条痕为黑褐色,(100)解理清楚,(010)解理不清楚。有中等磁性,具中等电磁性,硬度5.5—6.5,比重3.967。在偏光镜下不透明,反射光下为灰色,非均质,双反射清楚,折射率是由反射率换算的,在‖解理时N_(546)=2.03±0.04,N_(589)=2.01±0.04;⊥解理时,N_(546)=2.04±0.04,N_(589)=2.03±0.04;重屈折△_(546)=0.01,△_(589)=0.02。化学成分简单,较稳定,Fe_2O_3含量高,可达45.1%,结晶化学式为Fe~(3+)Fe_2~(3+)[SiO_4]_2。该矿物属单斜晶系,空间群为C_(2h)~5—P2_1/b。a=4.808,b=10.171,c=5.824,α=90°。粉晶强谱线有:3.488(10),2.774(9),2.521(10),2.405(7),2.246(7),1745(8)等,线条有弥散现象。差热分析曲线上700℃处有一放热峰。红外光谱在460—620频率段为SiO_4为变形振动,840—1120频率段为SiO_4的伸缩振动。单晶结构分析系用等倾斜魏森堡多重胶片法按橄榄石定向,共收集了0kl—2kl,hk0—hk2,h0l七套照片,246个非零独立衍射点。照片上显示出V_h—D_(2h)—mmm劳埃对称,因为在[010]方向的魏森堡图上见到约40%的h+l=2n+1弱衍射点以及在P(VW)原子间向量投影图上没有P(OW)的哈格峰,这就证明晶体中不存在橄榄石空间群D_(2h)~(16)—Pbnm中的n滑移面和m对称面。所以确定唯一空间群C_(2h)~5—P2_1/b。各种原子的坐标参数是根据结晶化学原理和原子间向量投影图确定的R_(okl)=0.23,R_(hko)=0.21。晶体结构分析表明,高铁铁橄榄石是一具有序缺席橄榄石结构型的独立矿物,在结构上具有橄榄石结构的某些相同特征,包括一个相同的四面体方位,但所不同的是以公用稜连结的八面体直链代替了锯齿状链。Fe~(2+)位于对称中心1上。但本矿物在(0,0,1/2)及(1/2,1/2,1/2)对称中心位置上Fe~(2+)作有序空缺席来实现。矿物的解理、硬度、光性等物性在结构上都得到合理的解释。作者对高铁铁橄榄石结构分析时发现该矿物与铁橄榄石之间存在一个Fe~(3+)代替Fe~(2+)的异价类质同象系列的问题。Fe~(2+)被Fe~(3+)按其xFe~(2+)换2/3xFe~(3+)的方式所代替,因此在一些等值结构位置上形成空缺,当空缺位置由无序缺席代替变为有序缺席代替时,其结果必然导致晶体结构由高对称变为低对称。高铁铁橄榄石就是这种量变到质变的产物。它属于不完全的类质同象系列。按元素周期表对角线发展的类质同象代替规律,作者认为也适用于过渡元素的异价离子间的置换,从高铁铁橄榄石这一事实与在其他硅酸盐矿物中所观察到的情况是一致的。根据矿物的化学成分、物理性质及晶胞大小与I. W.金兹堡等人所报道的含MnO_2Ferrifayalite比较,本文作者认为二者可能属于同类矿物,但他们认为该矿物是由锰铁橄榄石+Fe_2O3、+SiO_2三个物相所组成的非独立矿物,他们推测该矿物的结构与本文显然是不相同的。

 
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