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120层高的高楼,为啥不会把混凝土和钢筋压塌?今天总算知道了
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120层高的高楼,为啥不会把混凝土和钢筋压塌?今天总算知道了# CivilEngineering - 土木工程
m*s
1
【 以下文字转载自 Returnee 讨论区 】
发信人: huataixiang (今天的欢乐,将是明天永恒的回忆), 信区: Returnee
标 题: Some mainland china positions (转载)
发信站: BBS 未名空间站 (Mon May 20 05:18:32 2013, 美东)
发信人: huataixiang (今天的欢乐,将是明天永恒的回忆), 信区: JobHunting
标 题: Some mainland china positions
发信站: BBS 未名空间站 (Mon May 20 05:18:07 2013, 美东)
Post for a friend. Do not contact me ...
All these position is in Mainland China.
Please send your resume to m**********[email protected]
Title as "Name - Position Name"
*******************************************************************
Position Separation
*******************************************************************
The Position Principal/Consulting Software Engineer
Position Summary
Reporting to the head of the storage team, the Principal/Consulting Software
Engineer will play a pivotal role in the architecture, design and
development of a log structured middleware file system.
Major Responsibilities
• Participate in the architecture, design and development of
middleware file system
• Deliver robust, fault tolerant, production code - this is a hands
on coding position.
• Interact with members of the team to enhance the Pivotal HD
Hadoop vision.
Experience & Skill Set
The ideal candidate will have recent, demonstrated experience delivering
robust, reliable linux systems software in mission critical enterprise
environments.
Deep, meaningful, recent development experience with most of the following
is required;
• Log structured file systems
• Virtual file systems
• Working knowledge of the parallel log structured file system [
PLFS] code base
• A deep understanding of resilient concurrent programming
• Linux systems code development in c/c++
Optional, but highly desirable skill sets;
• Familiarity with Hadoop HDFS
• Copy-on-write snapshots
• Extremely large scale application development
• Cloud computing and storage
Educational Background
This position requires a Bachelors degree in Computer Science, Computer
Engineering or Electrical Engineering. Advance degrees preferred.
*******************************************************************
Position Separation
*******************************************************************
Foundry Application Engineer
Location : Shanghai
Job Responsibilities:
Foundry Application Engineer is responsible for Design Support, Technology,
Model, ESD and Design Kit consultation, and Technical Training for IBM's
Specialty Foundry customers engaged in designing Digital/Analog/RF and Mixed
-Signal integrated circuits in IBM's state-of-the-art RF CMOS, SiGe BiCMOS
and CMOS technologies. This growing team in China is supported by a highly
skilled team with diverse and extensive backgrounds and areas of expertise
in the US.
This position offers ample direct customer interaction to apply circuit
design, modeling, silicon processing, DFM, or design tool experience.
Problem identifying, debugging and solving skill is required. Knowledge and
experience with circuit physical design and verification, and/or SiGe or
CMOS process/technology is highly desirable. Prior experience with industry
standard IC design tools and design flows, such as Cadence, Mentor and
Synopsys tools and flows is a plus, as these are an integral part of the job
. Ability to represent IBM in a direct customer contact role is essential.
English fluency is required, and other language skills (Japanese, Korean,
etc.) are a plus.
Job Requirements:
1. Master/Ph.D with EE, Microelectronics or Computer Engineering related
background.
2. Industry experience (1-2 years as entry level, more is preferable) in
related analog/digital circuit design, semiconductor technology/process
development or CAD/Industry Design Tools Application areas.
3. Good Knowledge in one or more of the following semiconductor industry
related fields:
- Advanced Semiconductor Technology/Processing/Modeling: SiGe, Bulk CMOS,
BiCMOS, SOI or technologies.
- High Performance RF/Analog, Digital/SOC Custom and Mixed-Signal Circuit
design, simulation, verification, testing and evaluation.
- CAD/Industry Design Tools Development or Application experience.
- Electrostatic Discharges (ESD) protection design.
4. Knowledge/Experience in one or more of the following application domains,
will be a plus:
- Communication and wireless applications
- Digital media, audio/video applications
- Consumer electronics applications
- Automotive electronics applications
- Other emerging technology and industry areas
5. English fluent, Good communication/Problem Solving skill and willingness
to work within a global team.
6. Good learning competency, self-motivation, and be able to work on diverse
areas in a flexible environment.
7. Strong technical leadership will be important consideration for senior
positions.
*******************************************************************
Position Separation
*******************************************************************
Consultant/Principal/Senior Software Engineer – Hadoop Developer
Job Responsibilities
• Design and develop products deployed on top of and integrate with
Apache Hadoop EcoSystem. Build and grow talent in Hadoop EcoSystem and
distributed computation areas.
• Design, create and manage development and test cluster
infrastructure for Hadoop stack. Help the team to automate the build,
continues integration and releasing engineering
• Create, develop software packaging under Linux, release
validation, build tools and maintain backend infrastructure
• Work closely with development, test engineering, build and
release engineering team to prioritize and deliver new versions of our
products.
Requirements
• Bachelor/Masters degree in Computer Science or equivalent from a
reputable university
• Excellent Communication, Collaboration, Reporting, Analytic and
Problem solving skills.
• Customer-focused, ability to triage issues, react well to changes
, work with teams and being able to multi-task on multiple products and
projects.
• Self-starter, team player, highly organized, infrastructure and
process-oriented
• 3+/5+/8+years of extensive experience in Java, Perl, Python, and/
or shell scripting with hands-on experience in advanced Linux/Unix system
and server clusters management
• Must have strong knowledge in Linux software packaging(rpm/.
debian) and hands-on Linux system management experiences
• Must have experience or working knowledge of C++ or Java
• Build, SCM and release engineering exposure with Maven, Ant,
Subversion, Git, etc in an Agile software development team.
• Experience with agile/Test driven development is a big plus
• Development/deployment experience of Apache Hadoop, Hive, HBase,
Pig is a big plus
• Experiences of VMware in a lab for software development is a big
plus
• Excellent communication skills in both Chinese and English.
Comfortable working with US colleagues
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A*r
2
我的收入够担保了。
864表里还要写父母的收入吗?
还有tax return到底是什么样的?是在IRS网站打印出来的transcript吗?
谢谢!
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x*u
3
那么重要的记数,那么多人,每次都是只留一个人守着,然后这个人被困了,然后慌乱
半天。
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s*a
4
印象中男人版,
识好友,
拍肩头,
挥挥手,
相聊更进一壶酒,
无话不说是风流。
而今变了?
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y*3
5
当我们走在大街上,看到一座座摩天大楼拔地而起的时候,心中不免对这些拥有超高技
艺的建筑师产生一种由衷的佩服之情。不过同时,我们会产生一个疑问,那就是120层
高的摩天大楼,为什么不会把混凝土和钢筋压塌呢?今天我们就一同来了解一下。
现在所有的建筑都使用的是钢筋和混凝土,也许自从人类发明了水泥之后,混凝土就是
人类所力所能及的最大化的抗压能力。据有关专家介绍,混凝土制成的圆柱形建筑物,
所经受的抗压能力十分强大,如果是一根15厘米的混凝土建筑物,他的抗压能力竟然能
够达到50吨。那么在理论上,如果是一根直径是一米的承重柱,那么所要经受的压力大
约相当于2500吨,2500吨也就是相当于25层楼房那么重的压力。
那么120层高的承重柱,混凝土和钢筋不会被压塌吗?答案是否定的。因为建筑是可以
用其他方法,来增加承重柱的承受压力。其中最主要的一条就是可以增大承重柱的受力
面积。
刚才我们所说的是一米的混凝土承重柱,如果把这根承重柱加粗加大,那么它的承受压
力的能力就会更强。但是如果摩天大楼里面有太多的承重柱,又会影响大门都美观。所
以建筑师就会采取第二招,那就是加强混凝土的质量和强度。最主要的办法就是增加混
凝土的标号。
除此之外还可以增加混凝土的钢筋数量,钢筋多了混凝土的承重能力自然会强,当然钢
筋混凝土还有一个最大的好处就是抗震压力也比较强。现在您知道120层的摩天大楼为
什么不会把混凝土和钢筋压塌了吧?
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f*n
6
不用(而且你父母的收入如果不是美国的收入不能算)。在IRS网站可以order
transcript免费寄给你。
avatar
R*a
7
与诗句禁

【在 s*****a 的大作中提到】
: 印象中男人版,
: 识好友,
: 拍肩头,
: 挥挥手,
: 相聊更进一壶酒,
: 无话不说是风流。
: 而今变了?

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v*p
8
钢筋抗拉不抗压, 混凝土抗压不抗拉。两者混合,人类史一大发明!
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A*r
9
谢谢
order的transcript跟在irs网站打印的不一样吗?
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d*r
10
又来一个马甲?
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A*r
11
我的收入够担保了。
864表里还要写父母的收入吗?
还有tax return到底是什么样的?是在IRS网站打印出来的transcript吗?
谢谢!
avatar
m*2
12
那是谁的马甲啊?

【在 d**********r 的大作中提到】
: 又来一个马甲?
avatar
f*n
13
不用(而且你父母的收入如果不是美国的收入不能算)。在IRS网站可以order
transcript免费寄给你。
avatar
R*a
14
你的!

【在 m****2 的大作中提到】
: 那是谁的马甲啊?
avatar
A*r
15
谢谢
order的transcript跟在irs网站打印的不一样吗?
avatar
s*a
16
安啦,用着用着就不马甲了
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B*Q
17
请问, 忘记在提交的税表上签名了,会不会被拒?
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g*e
18
我直接用以前的pdf文件打印出来的,也没签名

【在 A*****r 的大作中提到】
: 我的收入够担保了。
: 864表里还要写父母的收入吗?
: 还有tax return到底是什么样的?是在IRS网站打印出来的transcript吗?
: 谢谢!

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