查询词典 steam-ship

Apparently his design was seen as having merit for he was given a grant of 2 500 Imperial Russian rubles a considerable sum of money with which he was to build his steam powered monoplane .

显然，他的设计被看作是具有优异，他获得了补助金2500帝国俄罗斯卢布与他建立他的蒸汽动力单翼。

Stringfellow built his own flying machine in 1868 also, a steam powered twin-propeller tandem-winged monoplane, and it too was displayed at the Crystal Palace.

stringfellow建立了他自己的飞行机器是在1868年还，蒸汽驱动的双螺旋桨串联翼单翼，它也被张贴在水晶宫。

The sesquiplane (a monoplane with additional half-wings) was meant to be powered by a steam engine mounted inside the rounded body of the machine.

这架翼半式飞机依靠安装在机体圆形装置内的蒸汽机提供动力。

The Aerial Steam Carriage was also the first recognizably "modern" monoplane design, with a three-wheeled landing gear, and powered by two contra-rotating six-bladed propellers.

空中蒸汽运输，也是第一recognizably "现代"单翼设计，与3轮式起落架，由两个魂斗罗-旋转6 -刀刃螺旋桨。

"Moony" creates a mystic space by using a steam screens with organic variations and interactive butterfly images.

梦影蝶》通过使用蒸气屏幕，配合有机变化和互动的蝴蝶图像创建了一个神秘空间。

For many years the motive power of trains was steam.

"好多年，火车的动力是蒸汽。"

High temperature gas scour,alkalescent steam attack,and thermal shock will cause the flush corrosion,silica brick corrosion,mousehole,crack and flake of crown.

生产过程中的侵蚀损毁和烤窑维修过程中的人为损害是影响玻璃池窑碹顶安全的主要因素。

The present invention adopts the technical proposal of adopting ZSM-5 mesoporous molecular sieve raw powder with a silicon-aluminum mol ratio SiO2Al2O3 of 20 to 1000 and a weight percentage of 20 to 100 percent as well as at least one caking agent selected from SiO2, clay and Al2O3 to extrude, tablet or spray into shape; then treating for 1 to 8 hours by 0.1 to 3 mol/l of at least one ammonium liquor from ammonium nitrate, ammonium chloride or ammonium sulphate or 0.1 to 8.5 mol/l of at least one acid liquor from muriatic acid, nitric acid, vitriol or acetic acid under a temperature of 20 to 90 DEG C; then using steam to treat for 2 to 15 hours under the temperature condition of 400 to 700 DEG C; using a liquor of 0.1 to 3mol/l selected from at least one of oxalic acid, citric acid or maleic acid under a temperature condition of 20 to 90 DEG C to dip for 2 to 5 hours to obtain the modified molecular sieve catalyst, thus better solving the problems.

本发明通过采用硅铝比SiO2/Al2O3为20～1000重量百分比计20～100％的ZSM-5介孔分子筛原粉与余量的选自SiO2、粘土或Al2O3中至少一种粘结剂挤条、压片或喷球成型；再经过0.1～3摩尔/升选自硝酸铵、氯化铵或硫酸铵中的至少一种铵溶液或0.1～8.5摩尔/升选自盐酸、硝酸、硫酸或乙酸中的至少一种酸溶液在温度20～90℃下处理1～8小时；然后在温度为400～700℃条件下水蒸汽处理2～15小时；再用0.1～3摩尔/升选自草酸、柠檬酸或马来酸中至少一种在温度为20～90℃条件下浸渍2～5小时得所需改性分子筛催化剂的技术方案较好地解决了该问题，可用于甲醇转化制丙烯的工业生产中。

A method for predicting product-yields of naphtha steam cracking was established by means of BP neural network model.

目前，工业上生产乙烯的主要方法是在管式裂解炉中采用热裂解法。

Carbon dioxide is a by-product of steam reforming of methane, propane or naphtha.

二氧化碳是甲烷，丙烷或石脑油的蒸气重整的一个副产品。

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。