The particle size and morphology of materials known to have a great impact on their performance.
众所周知，材料的粒径和形貌对它们的性能有很大影响。
The neutrons are created in a fission reactor, and slowed to incredibly low speeds by materials known as moderators.
这些中子从核反应堆中产生，在减速剂的作用下减到难以置信的低速。
Physicists have succeeded in creating analogs of magnetic monopoles, however, in exotic materials known as "spin ice."
物理学家们已经成功制造出磁单极子的对应物，然而，用的材料是叫做“自旋冰”的诡异物质。
They manufacture the class of plastics known as thermoplastic materials.
他们生产被称为热塑材料的塑料类制品。
In fact levels are known to vary widely within even small areas, depending on weather patterns and building materials.
事实上，即使在很小的区域内，辐射水平也会随着天气状况和建筑材料等因素千差万别。
So if we know the electronic energy that binds the crystal together, usually something that can be measured easily, so it's known for many materials.
所以如果我们知道晶体中，电子的束缚能，通常这个是很好测的，对于大多数物质，这都是已知的。
These materials are known as "radioisotopes" -versions of an element that, because they have an abnormal number of neutrons, frequently decay and release radiation.
这些物质被称作“放射性同位素”—同一种元素的变种，他们具有异常的中子数量，频繁的衰变和放出辐射。
For decades, science has known that raw materials for life were surely abundant on early Earth.
几十年前科学界就清楚，产生生命所需的原材料在地球上很充足。
Scientists have long known about naturally occurring piezoelectric materials, which have the ability to transform electrical energy into physical stress and vice versa.
长期以来科学家一直对压电材料的性质产生浓厚兴趣，这些材料可以将电能转化成为物理压力，反之亦然。
As is known to all, the black holes are as dense structure and sometimes inescapable for the cosmic materials.
众所周知，黑洞是一个高度密集的宇宙结构，令宇宙物质无法逃脱。
A computer then compares the results with the known absorption properties of different types of materials, to work out what the objects in the container are made from.
继而计算机把结果与各不同类型材料的已知吸收属性进行比较，以明确货箱里的物品有何成分。
It was already known that different materials had different weights: a cube of gold weighed more than the same size cube of silver.
人们已经知道，不同的材料具有不同的重量：一块金子比同样大小的一块银子重。
Materials science: Electroactive polymers, also known as artificial muscles, could replace electric motors in some applications.
材料科学：电活性聚合物，又称人造肌肉，可在某些应用环境下替代电动机。
This property is characteristic of waxes, putty, damp clay, plasters, and some metals, but not of many materials that are generally known as plastics.
这种性质是蜡、油灰、湿泥土、灰泥和一些金属的特性，但不是一般称为塑料的许多材料的特性。
And his team is looking for ways to exploit stretchable materials so that energy used to deform the material can be captured and converted to electrical energy—an idea known as "energy harvesting".
他的研究团队目前正在寻找合适的可伸缩材料，并且希望能够将变形中的能量转变为电能，这就是“能量捕获”的理念。
These in the 'World Kite Capital' of Weifang in Shandong Province are well known for their exquisite craftsmanship, materials, painting, sculpture and flexible flying movement.
这些在“世界风筝都”潍坊山东省以其精湛的工艺，众所周知的材料，绘画，雕塑和灵活的飞行动作。
How can the maintenance of soft film smallpox live longer, although this material of soft film smallpox was known as the "Master materials", has been widely praised and praised.
怎样保养软膜天花才能寿命更长，虽说软膜天花这种材料被人们称为“达人材料”，得到了广泛的称赞与好评。
In fact, most of the materials problems that dog us today are problems that we have known about for a long time: corrosion, fatigue, many different kinds of failure.
事实上，我们今天遇到的大部分材料问题都是我们已经知道了很久的问题，像腐蚀、疲劳、各类失效。
SEMICON Japan is well known as the world's leading exhibition for the semiconductor equipment and materials industry.
日本国际半导体展是半导体设备和材料产业领域里世界著名的领先展览会。
If we focus only on the materials normally known as steels, a simplified diagram is often used.
如果只把注意力集中于一般所说的钢上，经常要用到简化铁碳状态图。
A few countries are known for producing various materials used for disposable gloves. All of these nations are in Southeast Asia.
少数国家是因生产各种一次性手套材料而闻名的。所有这些国家都在东南亚。
It is the hardest, the least compressible and the best thermal conductor among all known materials.
这是最难的，最起码可压缩及最佳热导体之间的所有已知材料。
The work of the chemical engineer in utilizing successively greater fractions of raw materials such as crude oil is well known .
化学工程师的工作是对象原油这样的一些原材料的多数分馏物加以连续不断地利用，这是尽人皆知的。
It also tells some advanced techniques by several world known automobile manufacturers in such areas as materials, safety apparatus and anti -theft system.
介绍了世界上一些著名汽车公司在汽车材料、安全装置、防盗系统等方面的先进技术。
These materials have been successfully introduced into cosmetic, textile and paint industry but not many applications in cleaning industry are known.
这些材料已成功应用于化妆品工业、纺织品业和喷漆业等工业，但迄今为止尚未进入清洁剂领域。
The results by deteriorating solutions of nonhomogeneous materials into those of homogeneous materials are identical with those results known.
由非均匀材料解导出均匀材料的结果，这些结果与已知解析解相一致。
Only three fissile materials are known at present, there being U-233, U-235, and plutonium.
目前已知有三种裂变材料，它们是铀233，铀235，以及钚。
Only three fissile materials are known at present, there being U-233, U-235, and plutonium.
目前已知有三种裂变材料，它们是铀233，铀235，以及钚。
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