deadweight tonnage

简明释义

重量吨位

英英释义

例句

1.To comply with international regulations, ships must report their deadweight tonnage to port authorities.

为遵守国际法规，船舶必须向港口当局报告其载重吨位。

2.The deadweight tonnage of this tanker allows it to transport large quantities of oil at once.

这艘油轮的载重吨位使其能够一次运输大量石油。

3.When purchasing a new cargo ship, the deadweight tonnage is one of the first specifications to consider.

在购买新货船时，载重吨位是需要考虑的首要规格之一。

4.A larger deadweight tonnage usually indicates a more capable vessel for long-haul shipping.

更大的载重吨位通常意味着船舶在长途运输中的能力更强。

5.The ship's deadweight tonnage is crucial for determining how much cargo it can carry safely.

船舶的载重吨位对确定其安全运输的货物量至关重要。

作文

Understanding the concept of deadweight tonnage is crucial for anyone involved in maritime activities, shipping, or logistics. Deadweight tonnage refers to the total weight that a ship can safely carry, including cargo, fuel, crew, and provisions, without compromising its stability or safety. This measurement is vital for shipowners, operators, and charterers as it directly impacts the ship's operational efficiency and profitability.The calculation of deadweight tonnage is straightforward. It is determined by subtracting the lightweight of the vessel from its displacement when fully loaded. The lightweight includes the ship's hull, machinery, and all permanent equipment. Displacement, on the other hand, is the total weight of the water displaced by the ship when it is afloat. Therefore, deadweight tonnage provides a clear picture of how much additional weight a vessel can carry.One of the primary reasons why deadweight tonnage is an essential metric is its influence on shipping costs. A vessel with a higher deadweight tonnage can transport more cargo, leading to lower costs per unit shipped. This is particularly important in competitive industries where profit margins are slim. For example, bulk carriers and tankers are designed with high deadweight tonnage capacities to maximize their cargo loads and minimize transportation costs.Furthermore, understanding deadweight tonnage is vital for compliance with international regulations. Various maritime organizations, such as the International Maritime Organization (IMO), set guidelines that include restrictions on the maximum deadweight tonnage for certain types of vessels. These regulations aim to ensure safety at sea and protect the marine environment. Shipowners must be aware of these limits to avoid penalties and ensure that their vessels are operating within legal parameters.In addition to financial and regulatory aspects, deadweight tonnage also plays a role in the environmental impact of shipping. Vessels that operate close to their deadweight tonnage limits can be more fuel-efficient as they transport larger volumes of goods with fewer trips. This efficiency not only reduces fuel consumption but also lowers greenhouse gas emissions, contributing to more sustainable shipping practices.Moreover, the concept of deadweight tonnage is integral to the design and engineering of ships. Naval architects must consider the intended use of the vessel to determine appropriate deadweight tonnage specifications. For instance, a container ship designed for long-haul routes will have different deadweight tonnage requirements than a fishing vessel operating in coastal waters. Balancing cargo capacity with stability and safety is a critical aspect of ship design.In conclusion, deadweight tonnage is a fundamental measurement in the shipping industry that encompasses various aspects, from economic efficiency and regulatory compliance to environmental sustainability and ship design. Understanding this term is essential for maritime professionals and stakeholders, as it influences decisions regarding vessel operation, cargo handling, and overall fleet management. As the shipping industry continues to evolve, the importance of deadweight tonnage will remain a cornerstone of maritime economics, ensuring that ships can operate safely and efficiently across the world's oceans.

理解死重吨位这一概念对于任何参与海事活动、航运或物流的人来说都是至关重要的。死重吨位是指一艘船可以安全承载的总重量，包括货物、燃料、船员和供给，而不影响其稳定性或安全性。这一测量对船东、运营商和租船人至关重要，因为它直接影响船舶的运营效率和盈利能力。死重吨位的计算非常简单。它是通过从船舶满载时的排水量中减去船舶的轻量来确定的。轻量包括船体、机械和所有永久设备。另一方面，排水量是船舶浮起时排开的水的总重量。因此，死重吨位提供了船舶可以运输多少额外重量的清晰图景。死重吨位作为一个重要指标的主要原因之一是其对运输成本的影响。具有更高死重吨位的船舶可以运输更多货物，从而降低每单位货物的运输成本。这在竞争激烈的行业中尤为重要，因为利润率微薄。例如，散货船和油轮的设计都具有高死重吨位容量，以最大化其货物负载并最小化运输成本。此外，了解死重吨位对于遵守国际法规至关重要。各种海事组织，如国际海事组织（IMO），制定了包括某些类型船舶最大死重吨位限制的指导方针。这些规定旨在确保海上安全并保护海洋环境。船东必须了解这些限制，以避免处罚并确保其船舶在法律范围内运营。除了财务和法规方面，死重吨位还在航运的环境影响中发挥着作用。接近其死重吨位限制运营的船舶可以更有效地使用燃料，因为它们以较少的航次运输更多的货物。这种效率不仅减少了燃料消耗，还降低了温室气体排放，有助于实现更可持续的航运实践。此外，死重吨位的概念对于船舶的设计和工程至关重要。海军建筑师必须考虑船舶的预期用途，以确定适当的死重吨位规格。例如，设计用于长途航线的集装箱船与在沿海水域作业的渔船在死重吨位要求上会有所不同。在船舶设计中，平衡货物容量与稳定性和安全性是一个关键方面。总之，死重吨位是航运行业中的一个基本测量，它涵盖了经济效率、法规遵从、环境可持续性和船舶设计等多个方面。理解这个术语对于海事专业人士和利益相关者至关重要，因为它影响着有关船舶运营、货物处理和整体船队管理的决策。随着航运行业的不断发展，死重吨位的重要性将继续成为海事经济学的基石，确保船舶能够在世界各大洋安全高效地运营。