opencast

简明释义

英[ˈəʊpənkɑːst]美[ˈoʊpənkæst]

adj. [矿业] 露天开采的

英英释义

单词用法

同义词

反义词

例句

1.The giant opencast mines of Rio Tinto create a surreal, almost lunar landscape.

力拓矿业集团的巨大的露天挖掘煤矿构成了宛如仙境又貌似月球的风景。

2.He would "cosmeticize"the opencast copper mine.

他要把这个露天铜矿表面装饰一番。

3.An optimized mining plan model was presented for opencast mines. During the development of the model, mining construction was given full consideration.

针对露天矿采掘进度计划优化编制问题，建立了一个数学模型，同时较充分地考虑了作业条件下的模型建立和问题的处理。

4.Stability of side slope is the basic guarantee for normal production of the opencast stope.

边坡稳定是露天采场生产正常进行的基础保障。

5.Hargrove asks how our viewing of the night sky is affected by our knowing whether what we see are the craters of the moon's natural state, or only man-made excavations and opencast pits.

哈格罗夫提出疑问：我们看到的是月球自然状态下的环形山还是人为挖掘露天开采的凹坑？这种认知是如何影响我们观察夜空的？

6.A new method to calculate the lateral pressure and horizontal crustal stress of the slope in opencast mining has be...

提出了露天矿边坡侧压力及水平地应力计算的新方法，找出了露天矿边坡水平地应力的竖向分布规律。

7.The coal mine operates as an opencast mine, extracting resources from the surface.

这个煤矿作为一个露天矿作业，从地表提取资源。

8.Many environmentalists oppose opencast mining due to its impact on local ecosystems.

许多环保主义者反对露天采矿，因为它对当地生态系统的影响。

9.The construction of the new highway required extensive opencast excavation.

新高速公路的建设需要进行广泛的露天挖掘。

10.An opencast quarry can be seen from miles away because of its large size.

由于其庞大的规模，几英里外就可以看到一个露天采石场。

11.The company plans to expand its opencast operations to meet increasing demand.

该公司计划扩大其露天作业以满足日益增长的需求。

作文

The term opencast refers to a method of mining that involves removing large amounts of soil and rock to access minerals located near the surface. This technique is commonly used for extracting coal, metal ores, and other geological materials. Unlike underground mining, which can be dangerous and expensive, opencast mining allows for more efficient extraction of resources, making it a popular choice in the mining industry. However, this method also raises significant environmental concerns. The removal of vast areas of land can lead to habitat destruction, soil erosion, and water pollution, affecting local ecosystems and communities. In recent years, the impact of opencast mining on the environment has come under scrutiny. Environmentalists argue that the long-term consequences of such operations can be devastating. For instance, when large swathes of land are stripped away, it not only disrupts the natural landscape but also displaces wildlife and plants that rely on these habitats. Additionally, the process can contaminate nearby water sources with heavy metals and other pollutants, posing risks to both human health and aquatic life. Despite these challenges, proponents of opencast mining highlight its economic benefits. This method can create jobs and stimulate local economies, particularly in regions where alternative employment opportunities are scarce. Moreover, advances in technology have made it possible to minimize some of the environmental impacts associated with opencast mining. For example, companies are now employing better waste management practices and rehabilitation techniques to restore mined land after extraction is complete. As the demand for natural resources continues to grow, the debate over opencast mining will likely intensify. On one hand, there is a pressing need for energy and raw materials to support modern society. On the other hand, there is an equally important need to protect our environment and ensure the sustainability of our planet for future generations. Balancing these competing interests is a complex challenge that requires careful consideration and collaboration among governments, industries, and communities. In conclusion, while opencast mining offers certain advantages in terms of efficiency and economic growth, it also presents significant environmental risks that cannot be overlooked. As we move forward, it is essential to find ways to mitigate these impacts and promote more sustainable mining practices. This may involve stricter regulations, improved technologies, and greater community involvement in decision-making processes related to mining operations. Ultimately, the goal should be to achieve a balance that allows us to meet our resource needs while preserving the environment for future generations.

术语opencast指的是一种采矿方法，涉及去除大量土壤和岩石以获取位于表面附近的矿物。这种技术通常用于提取煤、金属矿石和其他地质材料。与地下采矿相比，后者可能危险且昂贵，opencast采矿允许更高效地提取资源，使其成为采矿行业的热门选择。然而，这种方法也引发了重大环境问题。大面积土地的移除可能导致栖息地破坏、土壤侵蚀和水污染，影响当地生态系统和社区。 近年来，opencast采矿对环境的影响受到审查。环保主义者认为，这种操作的长期后果可能是毁灭性的。例如，当大面积土地被剥离时，不仅会破坏自然景观，还会使依赖这些栖息地的野生动物和植物流离失所。此外，这一过程可能会用重金属和其他污染物污染附近的水源，对人类健康和水生生物构成风险。 尽管面临这些挑战，opencast采矿的支持者强调其经济利益。这种方法可以创造就业机会，刺激地方经济，特别是在替代就业机会稀缺的地区。此外，技术的进步使得在某些方面减少与opencast采矿相关的环境影响成为可能。例如，公司现在采用更好的废物管理实践和恢复技术，以在提取完成后恢复被采矿的土地。 随着对自然资源需求的持续增长，关于opencast采矿的辩论可能会加剧。一方面，我们迫切需要能源和原材料来支持现代社会。另一方面，我们同样需要保护环境，确保地球的可持续性，以便为未来几代人保留。平衡这些相互竞争的利益是一个复杂的挑战，需要政府、行业和社区之间的仔细考虑和合作。 总之，虽然opencast采矿在效率和经济增长方面提供了一定的优势，但它也带来了不可忽视的环境风险。随着我们向前发展，必须寻找减轻这些影响并促进更可持续采矿实践的方法。这可能涉及更严格的法规、改进的技术以及在与采矿操作相关的决策过程中更大程度的社区参与。最终目标应该是实现一种平衡，使我们能够满足资源需求，同时为未来几代人保护环境。