查询词典 crust

It is important that studying gamma ray spectrometry of field rocks and soil in the earth抯 crust. Their energy range are mainly 30-3000keV, they contain abundant information of natural radioactive nuclides, such as uranium, thorium, potassium, etc, and of artificial radioactive nuclides from nuclear engineering activity, such as cesium, americium, cobalt, etc, and of the results in interaction between gamma ray and earth抯 crust.

国外近年已经生产出大于256道的伽玛射线能谱仪，但由于仪器应用滞后于仪器研究，且仪器稳谱未完全解决，获取全谱信息困难，加之对低能谱段的认识不足等原因，致使野外应用仍然滞留在仅限于测定铀钍钾含量的伽玛能谱测量水平上。

The P-wave velocity-depth profile and electrical conductivity-depth profile can be calculated from the experimental data and the fundamental geothermal parameters in northern margin of the North China craton. The comparison of the calculated results with the elastic and electrical structure of this area reveals that the v of amphibolite is approximately equal to the middle crust, the electrical conductivity of amphibolite intersects the range of the middle and lower crust in this area.

利用实验获得的弹性波纵波速度及其温度系数和压力系数以及电导率与温度的关系，结合现今华北克拉通地热学的基本参数，计算得到斜长角闪岩的弹性波纵波速度－深度剖面和电导率-深度剖面，将二者分别与华北克拉通北缘深部地壳的弹性及电性结构进行对比的结果表明：高温高压下绿泥石化斜长角闪岩的弹性波纵波速度与该地区中地壳速度相当，电导率介于中、下地壳范围内。

The results show that A-type granites in eastern China are of diverse crustal origins. They were either derived from anatexis of old lower crust or resulted from partial melting of recycling juvenile altered oceanic crust, and the latter has net contribution to the continental growth.

结果表明，中国东部A型花岗岩物质来源具有多样性，既可起源于古老下地壳深熔作用，也可由再循环年青蚀变洋壳通过部分熔融产生，后者是大陆生长的重要方式之一。

The acid volcanic rocks of the Early Cretaceous Shangkuli Formation belong to continental crust anatexis type ones (S-type volcanic rocks) and may have formed by compression and migration of the Indian-Australia plate toward the NNE and delamination of the lower crust caused by the lithospheric extension in eastern China.

早白垩世上库力组酸性火山岩属陆壳重熔型火山岩，其形成可能与印度澳大利亚板块朝北偏东方向推挤运移、中国东部岩石圈拉张引起的下地壳拆沉作用有关。

Cryptobiotic crust consists of tiny communities of organisms that appear as a blackish and irregular raised crust upon the sand.

隐藏的植物表层由弱小的同生一处的植物组成，它们通常是颇黑的，不规则地生长在沙子表面。

Based on the detailed contrast between the chondrite normalized REE pattern s and REE geochemical evolution law, this paper proves that the ore bearing fluid for the Carlin type gold deposits in the area mainly originates from the upper mantle differentiation, and that the crust matter partly contaminates the plutonic ore bearing fluid during moving from mantle to crust.

通过稀土元素配分模式的详细对比和地球化学演化规律的研究，论证了滇黔桂地区金矿的成矿物质主要来源于上地幔分异，但深部成矿流体在运移至地壳的成矿过程中不可避免地混染了部分地壳物质，从而在一定程度上掩盖了成矿物质的实质来

This will ultimately be your top crust. prebake this crust for 5 minutes; remove crust from pan and place on a wire rack to cool.

先把这个酥皮提前在烤箱里烘烤5分钟，从平底锅一开这个外壳酥皮，然后把它放在有网的盘碟加上冷却。

The Paleoproterozoic Beidahe Group-complex remains as continental shivers in the interior of the North Qilian orogen. In its early stage of development, there occurred abundant amphibolite. The protolith of the amphibolite is basalts. The Alk-∑FeO-MgO plot, REE features and Rittmann index show that the protolith belongs to the calc-alkaline suite and exceptionally shows the subalkaline character. The rock is characterized by higher Al2O3 and ∑FeO and lower Mg#, indicating that it has a higher degree of compositional evolution and that the formation of volcanic rocks is related to activation of older crust. Highly fractionated REE patterns and amphibolite on the Ti-Zr-Y plot, Ni-FeO/MgO plot and Ta/Yb-Th/Yb plot all indicate the characteristics of volcanic arcs and active continental margins. On the geochemical diagram of basalt, the overall REE features are in the main analogous to those of calc-alkaline island-arc basalt, with Sr87/Sr86=0.71617–0.72033,Nd143/Nd144=0.512414–0.512495 and εNd=–2.79 to –4.37,εSr=245.78–305.3, showing that the magma was derived from the crust or subjected to contamination with the lower crust below the continent.

提要：以大陆碎块形式残存于北祁连造山带内部的古元古代北大河岩群早期发育有大量的斜长角闪岩，其原岩为玄武岩，Alk—∑FeO—MgO图解，REE特征，里特曼组合指数等均显示斜长角闪岩属钙碱性系列范围，个别显示弱碱性，斜长角闪岩具有较高的Al2O3，∑FeO和低的Mg#，这些特点反映其成分演化程度较高，表明火山岩的形成与古老地壳的活化有关，有较强分异的稀土元素分配模式，在Ti—Zr—Y图，Ni—FeO/MgO图解和Ta/Yb—Th/Yb图解上斜长角闪岩均显示火山弧或活动大陆边缘的特点，在玄武岩的地球化学形式图，稀土元素整体特征与钙碱性岛弧玄武岩基本相同；87Sr/86Sr=0.716 17～0.720 33， 143Nd/144Nd=0.512 414～0.512 495，εNd=-2.79～-4.37。

Pb-Sr-Nd isotope tracing shows that the source of magma in the island-arc belt of Zhongdian area belongs to crust-mantle mixed type. The proportion of mantle material is 59.5% crust's is 40.5%. Similarly, for the Cenozoic alkaline-enriched porphyries, the source of magma is crust-mantle mixed type, but the proportion of mantle material is increased to 54.3%.

通过Pb-Sr-Nd同位素示踪，发现中甸地区岛弧带岩浆物质来源为壳幔混合型，印支期的地幔物质的比例m平均值为59.5％，地壳物质的为40.5％；剑川、北衙等地的新生代富碱斑岩的m值平均54.3％，也表现为壳幔混合型，但与印支期火山-侵入杂岩相比，其地壳物质的比例增高。

Recent developments in the research on the geology and geochemistry of the newly-discovered clayey breccias at the lop of the Xiaochaka Formation in the Juhuashan, Xiaochaka and Shishuihe areas, Qiangtang Basin, northern Tibet have disclosed that mineral compositions, textures and structures, occurrences and sectional architectures of the clayey breccias agree well with those of the paleo-weathering crust in these areas. Compared with the bedrocks, the paleo-weathering crust is characterized by the leaching out of CaO and CO2, and relative enrichment of SiO2, Al2 O3, Fe2O3, K2O, Na2O, MnO and P2O5. The clayey weathered residues in the paleo-weathering crust are characterized by marked enrichment of REEs, much higher contents of LREEs than those of HREEs, markedly positive Ce anomalies and negative Eu anomalies, and a noticeable increase in other element contents besides Mo, Sn and U from the clayey weathered residues.

对最近在藏北羌塘盆地菊花山、肖茶卡、石水河等地区新发现的肖茶卡组顶部的粘土质角砾岩的地质、地球化学特征研究表明：其岩石矿物成分、结构构造、角砾层产状及剖面演化序列等与古风化壳的形成及其特征较为一致；相对于基岩，古风化壳的主量元素表现为CaO、CO2的淋失和SiO2、Al2O3、Fe2O3、K2O、Na2O、MnO、P2O5等不同程度的相对富集；古风化壳中的粘土质风化残积层的稀土元素具有明显的富集，表现为LREE含量远大于HREE的特征，存在明显的Ce的正异常以及Eu的负异常；微量元素除Mo、Sn和U外，粘土质风化残积层的其余元素含量均有明显的增加。

We have no common name for a mime of Sophron or Xenarchus and a Socratic Conversation; and we should still be without one even if the imitation in the two instances were in trimeters or elegiacs or some other kind of verse--though it is the way with people to tack on 'poet' to the name of a metre, and talk of elegiac-poets and epic-poets, thinking that they call them poets not by reason of the imitative nature of their work, but indiscriminately by reason of the metre they write in.

索夫农 、森那库斯和苏格拉底式的对话采用的模仿没有一个公共的名称；三音步诗、挽歌体或其他类型的诗的模仿也没有——人们把&诗人&这一名词和格律名称结合到一起，称之为挽歌体诗人或者史诗诗人，他们被称为诗人，似乎只是因为遵守格律写作，而非他们作品的模仿本质。

The relationship between communicative competence and grammar teaching should be that of the ends and the means.

交际能力和语法的关系应该是目标与途径的关系。