查询词典 the elements
- 与 the elements 相关的网络例句 [注:此内容来源于网络,仅供参考]
-
Subwavelength binary optical elements, because of the special property traditional optical elements do not possess, expands the applied field of binary optical elements.
亚波长结构的二元光学器件,由于具有一些传统光学元件所不具备的特殊性质,因而扩展了二元光学器件的应用领域。
-
In this method, as each boun dary element is connected with finite number of elements, and coupled with boundary elements through finite number of elements, the merit of the FEM is therefore fully used.
这种方法规定各边界单元只和有限单元相接,通过有限单元实现边界单元的耦合,发挥了有限单元法组装方便的特长。
-
The geochemical characteristics and depositional environment of Pengcuolin chert are studied based on the field investigations and analysis on major elements, trace elements and rare earth elements.
通过野外地质调查和系统的岩石化学、常量元素、微量元素以及稀土元素等研究,探讨了藏南彭错林硅质岩的地球化学特征及其沉积环境。
-
In this approach ,the sketch is designed with simple elements such as points , segments, circles or Child-Graphs which is combination of above simple elements ;geometric elements is designed in sequence can implement the function of unwell defined(less-constrain) parametric design.2Dand 3D constrains is treated consistently.
不同于常见的用底层图元进行设计的二维全约束求解方法,提出并实现了一种基于子图的序列化草图设计方法。使设计者既可用通常的点、线、圆弧等的基本图元,又可用高层的子图设计,可加快设计过程;序列化设计求解方法可实现变量化设计;基于标识的约束模型,使该方法可统一二、三维约束求解。
-
The diffractive optical elements,also called holographical optical elements, are ones based on the theroy of diffraction and non_traditional elements.
衍射光学元件又称为全息光学元件,是建立在衍射原理上的一种非传统光学元件。
-
Main components: henna red elements, blood cells and recycling factor of live micro-elements, flowers alcohol, flower Sanso, ice Su VC activity, vitamin E, heparin, blood nerve activin - algal compounds lichens uronic shell, glutamic acid, almond oil , shea butter, GTCC, QP oil and other active elements, by the multiple emulsion, and carefully made preparation.
主要成分:指甲花红素、血细胞再造因子微活素、花醇、花酸素、冰晶素VC活性、维生素E、肝素钠、血神经激活素——藻化物地衣糖醛、壳谷氨酸、杏仁油、乳木果油、GTCC、QP油脂等多种活性素,经多重乳化,精心配制而成。
-
Forestry elements(tree species, standage,afforestation density etc), ecological elements (hillside direction, hillside seat, soil type etc) and meteorological elements (temperature,humidity, precipition etc) were the leading factors...
通过对病菌孢子飞散规律和病情调查的定性因子和定量因子进行相关的分析结果,已明确了林分因子(树种、林龄、造林密度等)、生态因子和气象因子交互作用是樟子松枯梢病流行的主导因素。
-
All-Flash website and the production of similar html website, prior should be painted on paper restructuring plan, including : Terms of the theme, with what kind of elements, which elements need to repeat them use elements of the link between how elements of campaign what style of music, the entire site can be divided into several logic blocks, each logic block the link between how and whether you intend to use Flash construct the station or just doing their part of the preliminary site etc., should be considered within the scope.
制作全Flash网站和制作html网站类似,事先应先在纸上画出结构关系图,包括:网站的主题、要用什么样的元素、哪些元素需要重复使用、元素之间的联系、元素如何运动、用什么风格的音乐、整个网站可以分成几个逻辑块、各个逻辑块间的联系如何、以及你是否打算用Flash建构全站或是只用其做网站的前期部分等等,都应在考虑范围之内。
-
A series or criteria of recognizing tin-bearing granite is set up by collecting the data on related petrology, mineralogy, geochemistry, trace elements, transitional ele ments, incompatible elements and rare earth elements.
黑云母花岗岩对成矿的贡献有两个突出的方面:其一是其在重熔生成演化过程中,经高度分异作用,将原各地质体中的锡多金属元素分馏富集,为成矿奠定了一个良好的基础。
-
The method solves the problems better through adopting the following technical proposal that: the method takes the solid super acid consisting of the VIB group elements or the VIB group elements and the IVB group elements in the periodic table of elements and loaded on a symbiosis molecular sieve as catalyst, and naphtha with the component being C4-C10 as a raw material so as to carry out catalytic cracking reaction at a temperature of between 550 and 700 DEG C, under a pressure of between 0.01 and 0.5 MPa, at a reaction weight space velocity of between 0.1 and 4 hours and with the weight ratio between water and naphtha of between 0.5:1 and 4:1, thereby generating ethylene and propylene.
本发明涉及一种催化裂解制乙烯丙烯的方法,主要解决现有催化裂解制乙烯丙烯催化剂的使用温度高,活性低,乙烯丙烯选择性差的问题,本发明通过使用在共生分子筛上负载由元素周期表VIB族元素或VIB族元素和IVB族元素组成的固体超强酸作为催化剂,以组份为C 4 ~C 10 的石脑油为原料,在反应温度为550~700℃,反应压力为0.01~0.5MPa,反应重量空速为0.1~4小时-1 ,水/石脑油重量比为0.5~4∶1的条件下,进行催化裂解反应生成乙烯丙烯的技术方案,较好地解决了该问题,可用于催化裂解制乙烯丙烯的工业生产中。
- 推荐网络例句
-
By the time of its fall, most of the prisoners were writers who had written against the corruptions of the government.
到它被攻陷的时候,里面多数的犯人是写了反对政府贪污文章的作家。
-
The most obvious variation to ovum morphological character was that the color was changed from light green to sepiaceous in embryonic development, and all the ovums were almost hatched after 96h.
在胚胎发育过程中卵的形态特征最明显的变化是颜色从淡绿到深褐色,卵在发育96h后卵基本全部孵化。
-
There was a conflict between plebs and patricians in ancient Rome in 494BC.
在公元前494年,罗马发生了一次平民反对贵族的斗争。