In other words, was metallurgy born out of necessity?

换句话说 学是必然产生吗？

Chromium's effect on iron and steel had been observed for decades, but it wasn't put to practical use until 1913, when a metallurgist named Harry Brearley was looking for ways to prevent corrosion in gun barrels.

铬对铁和钢影响已经被观察了几十年，但直到 1913 年，一位名叫哈里·布里尔利学家在寻找防止枪管腐蚀方法时，才将其付诸实践。

Next, we use a new hardening process developed by our metallurgists to strengthen a metal that is naturally very soft.

随后，再采用我们大师制定全新强化工序，让这一本来十分柔软属变得更为坚固。

He began working with metal four years ago to provide for himself and his young family.

四年前他开始从事业来养活自己和家人。

You have all these advances in iron machinery.

你在机械方面取得了这些进。

The metallurgy was not all that well known.

学并不是那么为人所知。

I think the Anthropocene started with the invention of bronze, of metallurgy.

我认为人类世始于青铜和术发明。

The core coal metallurgical business, that continues to be weak.

核心煤炭业务依然疲软。

Now, at the time vanadium metallurgy was cutting edge research, but Henry had an extremely lucky connection: he was friends with the two brothers who owned the one vanadium mine in Peru producing 92% of the world's supply.

当时， 钒术是尖端研究，但亨利有一个极其幸系：他与两兄弟是朋友，这两位兄弟拥有秘鲁一座钒矿， 该矿生产出全球 92% 钒矿。

Hephaestus voiced his regrets to his elder victim,   but Force told the god of fire and metallurgy not to waste his sentiments over someone who had  earned the wrath of the mighty father of the gods.

赫菲斯托斯向他年长受害者表达了他遗憾，但原力告诉火与之神不要将他感情浪费在一个已经激怒了众神之父人身上。

Beyond these, were hundreds of other engineers, metallurgists, chemists and military experts involved in the research teams at Los Alamos, working on a wide range of finer details about how the first atomic weapon could be constructed.

除此之外，还有数百名其他工程师、学家、化学家和军事专家参与了洛斯阿拉莫斯研究团队，他们在广泛研究细节上工作，探讨如何构建第一枚原子武器。

When you look at our top three exports on energy products, agricultural products, fertilizers coming to the port, metallurgical coal, The world needs food, the world needs fertilizer, the world needs energy.

当我们看我们最大三种出口产品时，分别是能源产品、农产品和化肥来到港口，还有用煤。 世界需要食物，世界需要化肥， 世界需要能源。

First, the eldest normo, a blacksmith, introduced humans to fire and metalworking by stealing a piece of the sun in the form of a live ember and a white-hot iron rod.

首先， 最年长诺莫——一位铁匠，通过窃取太阳一部分——以燃烧余烬和炽热铁棒形式——将火与术引入了人类世界。

That metal instead requires a process called hydrometallurgy in which old batteries are crushed and the resulting " black mass" is treated with harsh chemicals known as lixiviants.

相反，这种属需要一种称为湿法工艺，其中将旧电池粉碎，然后用称为浸出剂刺激性化学物质处理所产生“黑色物质”。

Proponents of this theory argue that the artifact was manufactured with modern metallurgy techniques and other technologies that were not available until at least the 20th century.

这一理论支持者认为，这件人工制品是用现代技术和其他至少在 20 世纪才出现技术制造。

The modification Doctors Ding and Kildall propose cuts coke out of the loop by pumping CO directly into the blast furnace.

丁博士和基尔达尔提出改良方案是直接将一氧化碳泵入高炉，从而省去了焦炭使用。

Fractals are used in, like, everything from predicting natural disasters to metallurgy.

分形体能被用于...万事万物从预测自然灾害到术。

Or perhaps later in history, it would require the techniques of metallurgy.

或者在历史后期 它可能需要技术。

For many projects at the Exploration Results stage, metallurgical recovery information may not be available or able to be estimated with reasonable confidence.

对于许多处于勘探结果阶段项目，回收率信息可能无法获得或无法以合理可信度进行估算。

We're basically metallurgists, Hakyung and I.

我们基本上是学家，哈丘和我。