...ships draw around 12 metres (39 ft) of water

您好，很高兴为您解答：ballast 是“压舱物”，一般船舶在江海航行，由于船身重量不足以抵挡大风大浪，所以一般都会在底舱装些重物来压仓。In ballast the ships draw around 12 metres (39 ft) of water 这些船装了约12米（39英尺）深的米来压仓。这句英文表述很有问题，装水/拉水竟然用“draw...

MEHQ，即4-甲氧基苯酚，是一种有机化合物，具有独特的化学性质。它在许多工业应用中发挥着重要作用，特别是在合成树脂、橡胶和抗氧化剂的生产中。此外，MEHQ也用于涂料、油墨和粘合剂等行业，以提高产品的稳定性和耐久性。作为上海棋成实业有限公司的工作人员，我们深知MEHQ的重要性，并致力于为客户提供高质量的MEHQ产品。我们注重研发和生产过程的优化，以确保产品的稳定性和可靠性，满足客户的需求。上海棋成实业有限公司！上海棋成在润滑油、表面活性剂、农药、医药、化妆品、催化剂、塑料、橡胶、胶粘剂、建筑化学、油墨涂料、染料、石化、油田化学、有机硅等许多行业提供产品和服务，与客户建立了良好的合作关系。他们为用户提供良好的技术...

However, since earthquakes are often a cause of tsunami, any earthquake occurring near a body of water may generate a tsunami if it occurs at shallow depth, is of moderate or high magnitude, and the water volume and depth is sufficient.If the first part of a tsunami to reach land is a ...

One of the larger rorqual species, adults range in length from 12–16 metres (40–50 ft) and weigh approximately 36,000 kilograms (79,000 lb). The Humpback has a distinctive body shape, with unusually long pectoral fins and a knobbly head. It is an acrobatic animal, often breaching and ...

frequently before the bow waves of ships. Several freshwater species inhabit river estuaries in Asia and South America. The small, graceful tucuxi dolphin has been sighted more than 2000 km (more than 1250 mi) up the Amazon River. The tucuxi, the smallest dolphin, is less than 1...

The dielectric constant of water is near one, meaning it has a good reflectivity. The problem occurs when you have meteorological targets that do not share that reflectivity. Some examples of this are snow and dry hail since their constants are around 0.2. L: This is the loss factor of ...

Francis Drake was born in Tavistock, Devon in around 1540 and went to sea at an early age. In 1567, Drake made one of the first English slaving voyages as part of a fleet led by his cousin John Hawkins, bringing African slaves to work in the 'New World'. All but two ships of ...

The story of the "12 Peaks of Wushan goes like this: 12 nymphs once descended to enjoy themselves in the secular world. Finding how perilous Wushan Ge was, they decided to stay there to protect ships. As time went by, they transformed themselves into 12 peaks. The Goddess Peak, the ...

finding how perilous wushan gorge was, they decided to staythere to protect ships. as time went by, they transformed themselvesinto 12 peaks. the goddess peak, the most graceful of the 12, is saidto have been yaoji, the youngest daughter of the queen mother of thewestern heaven .goddess ...

The Opera House reaches out into the harbour.Seen from the air or a ferry,the skyline of the Sydney Opera Hose,the blue water of the harbour and the Sydney Harbour Bridge,so beautiful. 大本钟大笨钟,或大本钟(Big Ben),即威斯敏斯特宫钟塔,英国国会会议厅附属的钟楼 (Clock Tower) 的大报时钟...

Their foundations are on solid rock and are subjected to a head of water of 12 metres, whereas the Gatun dam is subjected to a 24 metre head.The dam at Pedro Miguel is an earth dam approximately 300 metres in length with a concrete core wall.At Miraflores there are two dams forming a...