The solution of the projection on inward concave composition surface of cylinder and cone is discussed. and the critical point on the projection is calculated with analytical method.
本文着重介绍内凹的圆柱和圆锥组合面上落影的求法，并尝试利用解析的方法，求出落影上的特殊点。
New Horizons' infrared observations may provide insight into the composition of the moon's surface and interior.
“新视野”号的红外探测仪会提供这颗卫星表面和内部成分的更多细节。
The color difference could yield surface composition clues to the violent history of Mimas.
颜色差异可能提供土卫一表面组成的线索以了解其动荡的历史。
The origin of the color differences is not yet understood, but may be caused by differences in the surface composition between the two terrains.
产生颜色差异的原因还不清楚，有可能是两种地形表面成分的差异造成的。
Debris on the surface of Iapetus has a similar composition to material known to exist on Phoebe.
“土卫八”表面的碎片与已知存在于“菲比”上的物质的成分相似。
Color differences are most likely due to regional changes in surface composition or the sizes and structures of the grains in the moon's icy soil.
颜色的差异很可能是因为卫星表面冻土的成分或者粒度与结构的区域性变化。
New Horizons obtained data on Europa's surface composition and imaged subtle surface features, and analysis of these data may provide new information about the ocean and the icy shell that covers it.
“新视野”号从木卫二地表成分中分析得出数据，并得到更精细的地表特征图片；这些数据的分析结果可能提供出更多有关冰盖和它下面的海洋的信息。
Technicians can date paint from its chemical composition, for example, or X-ray a canvas to reveal what lies below the surface.
例如，技术人员可以通过其化学成分分析其创作日期，或者对一幅画做X光透视，揭示其表面下有什么。
The amount of charge that can be stored depends on the surface area of the electrodes, the strength and composition of the insulation between them, and how close they are together.
电容器的储电量取决于两个电极表面区域、电极间的绝缘性的强弱、绝缘材料以及两电极间距离。
Our filters are designed for the composition of Mercury, but we have two near-infrared filters that we think may get through the clouds to see the surface.
我们的滤镜是为水星的成分设计的，不过我们有两个近红外滤镜，我想或许可以透过云层看到金星表面。
The PET fibers are treated by cold plasma technology and the elemental composition and the type of functional groups of the surface of PET was analyzed by ESCA.
采用冷等离子体技术处理涤纶纤维，利用ESCA分析了冷等离子体处理前后的纤维表面元素组成、官能团类型的变化。
Composition and surface properties of obtained composite sub-micron particles have been studied in comparison with those of ferrite-free PLGA sub-micron particles.
将由此而来的混合亚微粒的组分和表面性质与不含铁氧体的PLGA亚微粒进行了对比研究。
The film - forming mechanism, composition, properties and processing of HD anticorrosive coating used for under water and moist surface painting are described in this paper.
本文论述了HD型水下及潮湿面用防腐涂料的成膜机理、组成、性能及施工工艺。
The surface topography and composition of normal coating and spot were investigated by scanning electron microscope and energy dispersion spectrum.
采用扫描电镜结合能谱的测试方法，对热处理前后含铬绝缘涂层中正常涂层和斑点的表面形貌及成分进行了分析。
Because the surface body can show various forms of state, so the limited space and composition also show a variety of morphological.
因为面体可以展现各种形式的状态，所以空间的限定及构成也随之展现多种形态。
In terms of chemical computation composition, in minerals with carbon, its surface carbon content is more than 40%.
煤系黄铁矿在化学计量组成中含有碳的矿物，其表面的含碳量均大于40%。
The surface composition and morphology of hydrogen storage alloys have an important influence on the electrochemical properties of metal hydride electrodes.
贮氢合金的表面成分和形态对金属氢化物电极的电化学性能具有重大影响。
The factors to influence size shedding, such as size soakage and coverage, cover factor, yarn surface hairiness and size composition, are analysed and compared.
分析比较了浆液浸透量与被覆量、浆纱覆盖系数、原纱表面毛羽及浆液成分对浆纱落物形成的影响。
Objective: To evaluate the influence of air oxidation, anodizing and tin coating sample on elemental composition and thickness of surface film of cast pure titanium.
目的：评价大气热氧化、阳极氧化和氮化钛镀膜对铸造纯钛表面膜组成和厚度的影响。
Biocompatibility is the basic requirement for polymers used as medical device in clinic, and it's a crucial pathway changing surface chemical composition to improve the biocompatibility of polymers.
生物相容性是高分子材料在临床上用作医用装置的基本要求，改变高分子材料的表面化学组成是提高其生物相容性的重要途径。
There is evident diversity in material composition of slide surface of bulking landslide, due to the difference of failure patterns.
溃屈型滑坡由于滑动破坏方式的不同，滑面的物质组成有明显的差异。
Surface modification of materials by means of high-energy laser beam, electron beam and ion beam technology are realized through changing composition and structure of the material surface.
激光束、电子束、离子束三种高能束流技术对材料表面改性是通过改变材料表面的成分或结构实现的。
The microstructure, surface composition and structure were investigated by SEM, XRD and XPS.
利用sem,XRD,XPS研究氮化层的显微组织、表面成分、结构。
Surface morphology and composition analysis of the failure emitter of hollow cathode were characterized by using FESEM and EDS.
利用场发射扫描电镜(FESEM)及其附带能谱仪研究了失效空心阴极发射体的表面形貌、元素组成。
The composition of the food and the surface on which it falls matter as much if not more than the length of time it remains on the floor, the study found.
这项研究发现，在细菌污染方面，食品与地面质材的组合与食品接触地面的时长几乎同等重要。
The composition, structure, surface characteristic, mechanical property, and cell compatibility of the scaffold have been studied by using surface chemistry and material mechanics testing methods.
采用表面化学和材料力学方法，探讨了支架的组成、结构、表面特性、力学性质及细胞相容性。
Ceramic color composition and process for producing a curved surface glass sheet employing it.
陶瓷色料组成和运用该色料生产曲线表面玻璃板的工艺方法。
Elemental composition and BET surface area of pyrolysis carbon were investigated. X-ray diffraction pattern and constant-current charge-discharge properties of pyrolysis carbon were studied.
元素分析、氮气物理吸附和X射线衍射分别考察了裂解炭的元素组成、BET比表面积以及微晶结构变化；
The composition of surface layer of uranium and treated uranium have been analyzed respectively by Auger Electron Spectroscopy (AES).
用俄歇电子谱(aes)分析了铀试样处理前后表层的成分变化。
The composition of surface layer of uranium and treated uranium have been analyzed respectively by Auger Electron Spectroscopy (AES).
用俄歇电子谱(aes)分析了铀试样处理前后表层的成分变化。
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