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本研究将Arrow型零泊松比蜂窝结构用于空间抛物柱面天线.首先分析零泊松比蜂窝结构柱面成型所需加载方式,通过几何计算初步得到柱......
随着孤儿作品越来越多,如何对这些作品的著作权和使用权进行利用,成为了一直以来的热门话题。本文借鉴了欧洲ARROW项目的建设经验,......
A Solution of the Cosmological Constant and DE and Arrow of Time, Using Model of a Nonsingular Unive
We reduplicate the Book “Dark Energy” by M. Li, X-D. Li, and Y. Wang, given zero-point energy calculation with an unex......
A Solution of the Cosmological Constant and DE Using Breakup of Primordial Black Holes, via a Criter
We reduplicate the Book “Dark Energy” by M. Li, X-D. Li, and Y. Wang, given zero-point energy calculation with an unex......
Defining Arrow of Time at the Start of Inflation by Expansion of Entropy in a Taylor Series and Exam
First, we do a Taylor series expansion of Entropy. Afterwards we define the arrow of time. After that, we define what te......
Arrow是一种基于内存的列存储数据结构,它的设计目标是在现代硬件上提高数据分析性能。Arrow自2016年以来,在大数据领域被越来越多......
本研究有589个病人做了939个鼓膜切开插管(男性338例,女性251例,平均年龄9.2岁),应用8种不同类型的通气管,随访27个月,观察其通气......
决策的科学化,是软科学中的核心问题。为了使决策建立在真正科学的基础上,排除感情或臆测的色彩,必须十分重视相应的基础理论研究......
<正> In the previous paper, a relation existing between a reaction course graph G_r and the corresponding EP (eigenfunet......
【正】 China’s PetroChina Company Ltd.and Royal DutchShell have proposed to purchase Australian ArrowEnergy’s shares a......
【正】 PetroChina Company Limited (SH: 601857; HK: 0857; NYSE: PTR) announced onAugust 23rd that PetroChina Internationa......
在英美国家的童谣中,有一首是关于Robin(知更鸟)的:Who killed Cock Robin?(谁杀了雄知更鸟?)I,said the sparrow,(是我,麻雀说,)......
up和down虽然意义相反,但在用法上却有许多相似之处。下面是up和down作副词的用法比较: 1.up的基本意思是“向上”“在上面”;dow......
Osteomyelitis is a significant cause of morbidity in children throughout the world. Multiple imaging modalities can be u......
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2010年8月23日,中国石油旗下子公司中石油国际投资有限公司(下称中石油国际),与皇家荷兰壳牌子公司澳大利亚壳牌能源控股有限公司......
Objective To study the validation of ultrasound-based strain rate imaging in the quantitative assessment of right ventri......
When I compare What I have lost with what I have gained,What I have missed with what attained,Little room do I find for ......
本设计思路给出一种制作简单而 通用的稳定频率合成器(正弦波 和方波)的方法。电路的核心是AD9850 DDS芯片(见图)。合成器由 PC的......
分别用射线分析法和电磁场分析法，通过保角变换在直角坐标系下研究ＡＲＲＯＷ（ＡｎｔｉｒｅｓｏｎａｎｔＲｅｆｌｅｃｔｉｎｇＯｐｔｉｃａｌＷａｖｅｇｕｉｄｅ）型弯曲波导特性，导出了其模色散方程（本征模方程）．经优化设计的ＡＲＲＯＷ型弯曲......
日本神奈川科学技术研究院利用自行开发的ARROW型光波导开发出世界上最小的1×8波长滤波器。将比以往小两个量级的直径19μm的微......
Ture cysts of the adrenal gland are lined with endothelium or epithelium.Most lesions are asympomatic and are discovered......
The stratigraphical conditions in which have been found the neo(?)thic remains from Tsitsihar are perfectly similar to ......
Ancient works of art show that the bow and arrow appeared in ancient Egypt around 5,000 years ago. Historians agreed,how......
菏泽地磁台距菏泽5.9级地震仅15km,是总结地磁转换函数异常变化的震例的极好机会,所以这项研究工作非常有意义.读完文献[1]后,我......
人力资本作为经济增长的一个重要因素,除了要考虑其总量与经济增长的关系外,还要考虑人力资本的结构对经济增长的影响。本文分析了......
我们介绍过很多出自Jabra的蓝牙耳机产品,诸如巧夺天工的Jabra Stone-炫石,功能强大的Jabra Extreme-超凡,精美时尚的Jabra Arrow-......
使用柱坐标的传输矩阵法计算并分析了在反谐振反射光波导(ARROW)型垂直腔面发射激光器(VCSEL)中,不同的第一包裹层厚度对应的基模......
我科 1999年 8月至 2 0 0 1年 10月 ,对 2 0例恶性胸水患者用Ａｒｒｏｗ单腔导管行胸腔闭式引流术 ,取得较好疗效 ,现报道如下。1 临床资料1......
The Statistical Analysis of Migration of Strong Earthquakes─Taking the North China Region as an Exam
The migration of strong earthquakes is an important research topic because the migration phenomena reflect partly the se......
It is observed that the parameter of seismic inhomogeneous degree (GL value) calculated from the earthquake catalog show......
Very rare cases of varices involving right side colon were reported. Most of them were due to cirrhotic portal hypertens......
THIS 69-cm long trunk with an arch lid is one of the earliest trunks to be unearthed in China. It was cut from a whole ......
世界铬矿产量1978年,世界铬矿产量约为980万吨;南非 314.5(万吨)阿尔巴尼亚 93(万吨)土耳其 63.5(万吨)菲律宾 53(万吨)巴西 19(......
This is a review article describing some new and interesting aspects in the diagnosis and treatment in systemic vasculit......
小朋友,读下面的故事,根据故事里的内容,把路线画出来吧。星期天(On Sunday),小熊the bear要去篮球场打篮球(play basketball)。它......
先锋11号把木星和土星的壮丽照片发回地球,这项奇迹般的技术成就给我留下了深刻的印象。印象更为深刻的是,这项工作竟一举成功。......
“更轻”、“更小”、“更多功能”是户外装备的发展趋势，高科技加上奇思妙想，衍生出许多好用又好玩的小东西，让旅途更加安全、舒适，同......
一个企业的员工之中,有20%是最好的,他们能够创造80%的利润,而大多数人处于中间状态,建树不大,这部分员工大约占70%,另有10%是表现......
２００８年１１月４日，美国总统大选让奥巴马成为美国历史上第一个黑人总统，也让这个日子永载史册。美国媒体在之前的宣传中纷纷称之为“你一生中最......
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阅读提示有一只风筝想自己去旅行,他挣脱了孩子们的手,飞啊飞啊,可是在每个停留的地方却都被赶跑了……最后,他带着冒险的“印记”......
1、箭牌ARROW(中国名牌产品,中国驰名商标,国内最具影响力的综合性卫浴品牌,佛山市顺德区乐华陶瓷洁具有限公司)2、安华annwa(广东......
