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The invention of the telephone 电话的发明His 6,000 inventions included the electric light bulb, the phonograph, and the mimeograph machine.

""他作出了六千项发明,包括电灯泡,留声机和油印机。

Patent Office, who in 1899 said,'Everything that can be invented has already been invented.

他在1899年说:"所有可以发明的东西都已经被发明出来了。"

Necessity is the mother of invention, but patent right is the father.

需要是发明的动力,但专利权是发明之父。

Necessity is the mother of invention,but the patent right is the father.

需要是发明的动力,但专利权是发明之父。

Necessity is the mother of invention,but patent right is the father.

需求是发明的动力。有需求,才有发明。

Others criticized it as an "English invention", although Rayleigh jokingly corrected them to state it was actually an invention of the Royal Institution.

有人批评这是"英发明",虽然瑞利开玩笑纠正他们说这是一项发明的英国皇家学会。

Silicon as a material in microelectronics Microelectronics is probably the most important achievement of our time, comparable with the invention of letterpress in the 16th, the invention of the stean engine in the 18th or the invention of the electricity in the 19th century, respectively.

在微体电子学中的如材料的矽微体电子学或许是我们的时间的最重要成就,可比较的由于第 16 个的印刷字句的发明, 19 世纪的第 18 个或电力的发明的 stean 引擎的发明,分别地。

The invention discloses a dielectric hole-microhole composite material and synthesizing method in the inorganic porous material, adsorbing material and catalytic material technical domain, which comprises the following steps: adopting zeolite molecular sieve as raw material; reacting with sodium bisilicate solution under 30-60 deg.c for 10-300 min; disintegrating particle part of zeolite molecular sieve into piece with microhole structure; adding cetyl trimethyl ammonium bromide as molder; adjusting pH value of mother liquid to 10-12; aging 1-8h; adding in the high-pressure autoclave to do water heat synthesizing reaction at 80-130 deg.c for 24-72h; separating solid; washing; drying; sintering under 500-600 deg.c for 5-10h; obtaining the Si-Al porous material with dielectric hole and microhole composite structure.

本发明属于无机多孔材料、吸附材料和催化材料技术领域,涉及具有介孔-微孔复合材料及其合成方法。其特征是以沸石分子筛为原料,用偏硅酸钠的水溶液在30~60℃反应10~300分钟,使沸石分子筛的颗粒部分解离形成具有微孔结构的碎片,加入模板剂十六烷基三甲基溴化铵,然后调节母液pH值为10~12,老化1~8小时,然后加入高压釜于80~130℃进行水热合成反应。反应24~72小时后,分离出固体,水洗、干燥,然后于500~600℃焙烧5~10小时,得到具有介孔和微孔复合结构的硅铝多孔材料。本发明的效果和益处是所发明的合成方法可用于合成多种沸石结构和介孔结构的复合材料,所合成的材料经过质子交换可以具有较强的酸性,在吸附和催化领域具有广泛应用前景。

Patent Office, who in 1899 said,'Everything that can be invented has already been invented.

他在1899年说:&所有可以发明的东西都已经被发明出来了。&

Patent Office, who in 1899 said,'Everything that can be invented has already been invented.

杜尔。他在1899年说:&所有可以发明的东西都已经被发明出来了。&

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The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应,而且减少跟风的可能性。

The new PS20 solar power tower collected sunlight through mirrors known as "heliostats" to produce steam that is converted into electricity by a turbine in Sanlucar la Mayor, Spain, Wednesday.

聚光:照片上是建在西班牙桑路卡拉马尤城的一座新型PS20塔式太阳能电站。被称为&日光反射装置&的镜子将太阳光反射到主塔,然后用聚集的热量产生蒸汽进而通过涡轮机转化为电力