Tuesday, August 3, 2010

Modern shipbuilding process



Modern shipbuilding process

1, Ship Lofting

1. Linear Setting: Setting out points by hand and machine (computer) setting out, manual setting out the general 1:1 ratio of sample units required to occupy a great area, needs greater human and material resources, currently less used; machines, also known as mathematical lofting Lofting , relying on advanced technology software for lofting the hull, the higher the accuracy of mathematical lofting and does not take up space and personnel, now more widely used machine lofting.

2. Structural Setting, expand: Setting out on the structure, expand and draw the appropriate process model, like rods.

3. Blanking sketch: draw the corresponding blanking draft.

Second, hull steel pretreatment: The pretreatment of steel surfaces to eliminate stress.

1. Steel Correction: General mechanical method, namely, multi-folder roller straightening machine, hydraulic machine, steel straightening machine.

2. Surface cleaning: a. mechanical descaling method, such as shot blasting shot blasting rust law and so on, now more widely used; b. pickling descaling method, also called chemical rust removal, through chemical reactions; c. hand-rust law, first-class tool with Lang Percussion rust

Third, component processing

1. Edge processing: cutting, cutting, etc.;

2. Cold and hot processing: elimination of stress, deformation, etc.;

3. Forming: hydraulic bed, frame bending machine.

4, the hull assembly: Hull (parts) assembly, the combination of blending the various components that we need space for a variety of shapes.

5, hull welding: the shape of space after the assembly to become permanent by welding an integral whole.

6, tightness test: test various types of dense, such as the color test, ultrasound, X-ray and so on.

7, the ship into the water: the water after the basic shape and design of all sizes line the following sizes are flooded.

1. Gravity into the water: general method for the slipway into the water, by weight, and sliding speed of ships into the water;

2. Buoyancy into the water: the general form of dock;

3. The machine into the water: for small and medium ships, by dragging or lifting equipment into the water.

8, ship outfitting: a comprehensive system to carry out outfitting, mooring systems, aircraft equipment, electrical equipment, control equipment and other work.

9, the ship pilot: mooring test, tilt test, trials (fully test the performance of the ship).

10, Delivery acceptance.







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Wednesday, July 21, 2010

Wiki Chinese ideal: as a seed to take root


Both Ward Cunningham (Ward Cunningham) or Jimmy Wales (Jimmy Wales), may not think of, then sudden inspiration, turned out to be given to Wiki (Wikipedia) that a similar "graffiti board" type technical patterns such vitality, and so far has spawned a large number of the numerous, various kinds of Wiki sites around the world have a more powerful influence.

Knowledge sharing and collaboration models and the spirit of innovation is also the process, gradually formed a who also could not ignore and avoid the strong force.

However, this force seems that we can see, touch, but I still can not feel. For those who follow the trajectory of a pioneer in China pioneer who walk Wikipedia, the ideal of what is perhaps clear than the ideal practice is more urgent and important

Articles writer | Qiong Chen

It now appears that the summer of 2003 for domestic Wikipedia (Wiki) circle and the world of the wiki movement activists who are quite new and wonderful time. Year in September, wiki inventor Ward Cunningham concept (Ward Cunningham) is Microsoft's hiring, the news immediately wiki groups in the world caused by the unprecedented warmly. United States, "Seattle Times" and even carried an article cheered: "Ward Cunningham joined Microsoft, so everyone recognizes the importance of wiki technology, the invention of the wiki technology and the oldest wiki, with his personal efforts to sowing the seeds of this technology to the entire world, and watched them grow vigorously. "

As a seed to take root

That is, during that period, the domestic have begun to gather the first and try to establish contact with wiki wiki site in Chinese people. "Victoria Library" (WikiLib.com), founder and administrator Baoming Hao is on the wiki since 2003, had a strong interest in the development of the following year in September, "Victoria Library" formally launched test; "Web Book" (cnic.org) back in July 2003 has already come out, its founder and administrator leaves the main peaks was www.cnblog.org member, cnblog is the earliest practice the concept of elder blog site.

Although the blog has changed dramatically since the meaning of development, but somehow that, cnblog this by the Issac Mao (Issac) and Zheng Yun depth (Zheng), founded in October 2002, concerned about the edge of the network of tribal culture, technology site can even be seen as is the prototype of the domestic Chinese Wikipedia site, but also spread wiki culture played a crucial role. The time, from the American Jimmy Wales (Jimmy Wales) in January 2001 created Wikipedia (Wikipedia), has gone 21 months. Later cnblog also started his own called "Chinese Weblog encyclopedia" of the wiki part, be formally entered the ranks of the Chinese Wikipedia site.

Active in cnblog year's group of people, such as when the Zhao (Shizhao), Mountain, leaf peaks and others, also in 2003, gradually began to join the wiki business. One, Mountain in the October 24, 2002 for the Chinese version of Wikipedia, writing the first entry has landmark significance, this time we have been recognized as the birth date in Chinese Wikipedia, Mountain also has become the Chinese version of Wikipedia the first user and an administrator. "BBS easy-to-show discussion thread, and wiki is longer reflects the common view." Mountain wrote in his blog, "written in accordance with a neutral point of view, and the addition of the principle of Wikipedia, from the perspective of time, you will find this is a very interesting thing. "

Mountain referred to a neutral point of view (NPOV), another Chinese Wikipedia administrator in September this year, Zhao had a seminar especially emphasized, was He also the characteristics and encyclopedia, free content (GFDL) , friendly community, ignore all the rules and as Wikipedia's "five pillars." In accordance with the evaluation Mountain, currently serving time in Chinese Academy of Sciences Chinese Wikipedia Chao is the best investment of participants, the Chinese contribution to Wikipedia, but also hard working, a commitment to the community almost more than 50% within the chores, he is now Wikipedia is also the person in charge of China.

"We accept the elitist, does not accept authoritarianism." Zhao felt when, Wikipedia insists neutrality can be more inclusive, more comprehensive view. As the wiki participants have different ideologies and backgrounds, from different corners of the world, Wikipedia would work on it now resorted to the article an objective and fair. And not to say that the objective to achieve an absolute point of view to express the entries, but fairly present all views of a subject. Some people commented that, Wikipedia is to encourage ordinary people to be more innovative to intervene, "the classic knowledge" of production. More importantly, this interfere adopted an open, collaborative model.

Technology, ideal and reality

It is this pattern of civilians, which makes the wiki has been seen by many critics as "a group of fur and only know nothing of the amateur technology enthusiasts of the game." Former "Encyclopedia Britannica" the vice president and editor in chief Robert McHenry (Robert McHenry) Open in 2004 compared to Wikipedia, public toilets, "it may be clear to dirty, so you still have to watch for the magic; maybe it looks up very clean, so you will be paralyzed by a false sense of security. Obviously you can not know exactly who used the toilet before you. "

However, Wales also held in Germany in August this year, the first wiki Congress hit back: "The creation of Wikipedia in the real meaning is that the chaos in the exchange of knowledge generated in the order of the rules, while a huge community cohesion, together we defined knowledge and oversee the process. "Zhao also think that when, on the one hand the accuracy of the content would indeed be doubted, but the more eyes you can see more errors. In accordance with the idea of Wales, Wikipedia's ideal is to create each person can participate in the preparation, and everyone could share the network free encyclopedia.

"That is used for all written in their mother tongue the sum of all human knowledge," Zhao said when, "from the strict definition, this is a content management system, can achieve more than the collaborative online communication." This is undoubtedly a system, complex finishing works of knowledge, knowledge sharing and collaboration models and the spirit of innovation is also the process, gradually formed a who also could not ignore and avoid the strong force.

"New York Times," published in the December 4, 2005 article, wrote: "Wikipedia is already the world's largest encyclopedia in history, as of early December, page hits per month Wikipedia reached 2.5 billion times, at least 82 species new to the language written in the 1000 entry. the total number of entries is now close to 2 million, and is to increase the monthly rate of 7%. Wales said Wikipedia would turn site traffic per month some. "

In addition to Wikipedia, the encyclopedia that illustrious reputation outside the class wiki site, launched in 2004, Wales set up the Wikimedia Foundation (Wikimedia Foundation) has already initiated a number of distinctive sub-projects, such as Wiktionary (Wiktionary), Wikiquote (Wikiquote), Wikibooks (WikiBooks), Wikinews (WikiNews) and so on. Ye told reporters peaks, the international application wiki, there are several already quite mature, showing the power of its due. For example some people even believe that the influence of Wikipedia more than the Encyclopedia Britannica online; current Nokia, Yahoo, Disney, Motorola, SAP and so a world-class multinational corporations, are beginning to use wiki technology for internal information exchange and data management; news wiki the power of the site is obvious, recent attacks on the United States appears Hurricane Katrina information map that combines the advantages of wikis and GoogleMaps to create a follow-up reports flood of public information sources.

"China's wiki site and wiki application of international diversification compared, in passing, and basically nothing comparable." Leaf peaks laments, "many of which are inherent deficiencies, such as the framework for the site design is rather poor, popular enough to maintain a relatively low level. "leaf peaks that domestic groups with a common wiki features, it is mostly angry youth among them, very professional, very strong intellectual habits. In addition to Wikipedia, the wiki site, other major participants in most of the technology lovers, advocating open source, "is a group of so-called Internet fashion elite try to wiki it, still far from blog in China Penetration. " When Zhao also think the ability to communicate across language and wiki entry a technical threshold, are impeding growth of the domestic factors that wiki group.

World wiki founder and webmaster Han Yuwen (yxtiger) told correspondents, domestic wiki site has two major bottlenecks in the content, first the contents of many wiki sites are too general and did not read the value. Second, although Wikipedia is the first one was the accepted example of the success of Wikipedia, its mode of broad and loose, but that the "straw stack mode" hard copy. Wikipedia mature application that is actually Encyclopedia, software manuals, tourism, etc. introduction. Practice in education there are some subtle influence. "Maybe the Wikipedia site for more, the collaborative activities around a particular subject is more realistic. Scattershot contribution results and maybe the future can not be completed buildings, and always like a messy construction site."

As the search engines and Wikipedia integration of product models Answers.com little famous now has become a national model for a number of portals such as Sina's "Love asked," and Baidu's "know" that people can interact in a platform ask questions and get answers. But, Answers.com is added a search function more like restricted free to edit the wiki and site, and "Love asked," like the pattern was more like an interactive and collaborative features plus a search. Network heavenly new "bible communication", it was said that the first integration of a wiki and the blog of a new application, leaf peaks that future networks will be built, a non-profit organization bible.

Obviously, such an environment, the domestic to talk about business model is still very distant, for those who follow the trajectory of a pioneer in China pioneer who walk Wikipedia, the clear vision what is perhaps more urgent than the good practice and important. "I always said I was a carpenter, not an architect. I mean, I joined the site and establishing the information base. On the future of vision and leave others to do it. Anyway, I know what I want, I do . "Wales would put such a background, the implication seems endless.






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Friday, May 28, 2010

Value Zune Video Converter

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Tuesday, April 20, 2010

Zune WAV Creator

Zune WAV Creator can convert audio between popular audio files such as MP3, AAC, AC3, AMR, M4A, OGG and WAV. It provides an easy and completed way to convert MP3 to AAC, AC3 to AAC, AMR to MP3, etc. Zune WAV Creator supported Batch conversion and you can convert more files within one time. Zune WAV Creator is a necessary audio tool for most music lovers. Convert between popular audio files such as MP3, AAC, AC3, AMR, M4A, OGG and WAV. The audio converter supports batch conversion.
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Saturday, November 21, 2009

AlltoDVD DVD to M4V



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Tuesday, October 27, 2009

WinXMedia DVD Audio Ripper


WinXMedia DVD Audio Ripper is a quick and easy-to-use DVD audio extractor. It can convert DVD audio to high quality WAVE, MP3, WMA 9, ASF and AC3 audio files. Support MP3 with CBR,VBR, version and many preset quality modes, make converting to MP3 task very easy. Split large files to multi-volumes according to the mode and size you set. Preview video by PGCs, chapters and time. Can process DVD, IFO, and MPG/VOB files. Can select a part of DVD to convert according to start time and quantity of frames specified. user interface is well designed and easy to use.

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6. Can process DVD, IFO, and MPG/VOB files.
7. Can select a part audio to convert according to start time and quantity of frames.
8. User interface is well designed and easy to use.

Friday, October 16, 2009

Explosion WMV Converter


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