As we all know, Baltimore cruiser is a kind of very famous and well-known heavy cruiser which was mainly spread and used in the main marine battlefield of World War II, and it was also manufactured and produced by American Navy. Besides, the fighting capacity of these Baltimore cruisers in the navigation wars can not be easily ignored, and they are also a fierce and strong as well as powerful main role. Thus, let’s learn something important about the detailed analysis of Baltimore cruiser. Continue reading
Tag Archives: Scientific Knowledge
Some Famous Species And Types Of Merkava Tanks
Merkava Tanks were the earliest main battle tanks which were researched and developed by Israel in the early times and were also fully equipped for Israel Armies, so they also showed and revealed their unique and special innovative characteristics. In the meantime, they also possessed the imperfectness features in some aspects. Also, if we illustrated Merkava tanks by using one word, which was that the level and practical performance of Merkava 1 tank were between the level and performance of the Merkava second and third generation, and Merkava tank 3 completely reached the level and practical performance of the third generation Merkava tanks after the wars. Thus, let’s learn something important about some famous species and types of Merkava tanks. Continue reading
Narrow Your Waistline with 5000-step Brisk Walking
A study from Harvard University shows that your waistline could be reduced by keeping 5000 brisk walking steps per day. Such report provides an easy way to thin the waist for those females who have no time to exercise.
Brisk walking is the most effectual aerobic exercise to thin waist. There is no need of a lot of time and intense exercise, but just applying the scattered time. As long as you can accumulate to a certain amount of activity, then whether 5 or 10 minutes is all ok.
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Toys Make Adults Become More Sincere and Friendly
Toys such as teddy bears with naïve expression, Bugs Bunny with crafty trait and so on would bring lots of fun to children. Do not underestimate these toys, they also make adults become more sincere and friendly.
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Kids Who Are More Likely To Play Are Cleverer
One research carried out by Costa Rica Children Education Development showed that when children were two to five years old, the kids who were likely to play were cleverer than kids who just keep silent. In the process of playing, children have to finish scores of actions which were related to brain and thinking activities. For example, they had to learn how to keep balance, how to adjust psychology, how to deal with problems. By this way, children can enhance their ability on identifying objects, improving language skills and eliminating the stress and fear.
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High Temperature Indoor May Cause Obesity
In cold winter, most people are more likely to stay at warm house. Recently, news on the website called Health Day in the United States showed that based on a research carried out by British scientists, too high temperature indoor in winter may cause obesity for human.
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Risk of Heart Disease Increases Due To Not Eat Breakfast for a Long Time
Researchers from the University of Tasmania in Australia took a follow-up survey for 20 years which 2184 volunteers were participated. Finally, they found that not eat breakfast frequently were more likely to lead to obesity, fat accumulation and high cholesterol, all of which were risk factors for heart disease. At the same time, not eat breakfast frequently also easily lead to higher insulin levels in the blood, which would inevitably lead to diabetes.
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Do You Know These Four Main Categories of Magnets
Do you know that magnets can be divided into four main categories including NdFeB magnets, ferrite magnet, Samarium Cobalt Magnets and Alnico magnets. In the following article, I will introduce these magnets one by one.
NdFeB magnet
NdFeB magnet is a little fragile and has better machining performance. As usual, they can have centerless grinding, grinding, double-sided grinding, high-speed wire cutting, the inner circle sliced and the typical shapes include square, circle, donut, tile-shaped, trapezoidal blocks, the circular table sheet, bread-like, spherical, etc.
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Simple Knowledge About Magnet
In ancient times, the smart Greeks and Chinese people found that there was one kinds of natural stone which had the magnetism and then they called such kind of stone as magnet. As is known to all, such stone can absorb a small piece of sheet iron, which just likes the magic show. At the same time, after the swing at random, they always point in the same direction. Based on such feature, in the early time, sailors invented the earliest magnetic compass to discern the direction on the sea used such stone as raw material.
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