In the process of formation, the material must have received an environmental signal that reflects a change in climate and that can be deciphered by modern physical or chemical means.
在形成的过程中，材料必须接收到环境信号，反映气候变化，并能被现代物理或化学手段破译。
If a change does not affect the food's chemical composition, we call it a physical change.
如果一种变化不影响食物的化学成分，那我们便称之为物理变化。
Some, including Dr Riebesell, suspect that these physical and chemical effects of warming may prove a greater driver of productivity change in the ocean than altered ph.
包括Riebesell博士在内的一些人士怀疑暖化带来的物理和化学因素对海洋里生产力的影响可能超过改变了的PH值。
This is a chemical change, not a physical one.
这是一个化学变化，而不是物理变化。
This change of state is a physical and not a chemical one.
这种状态的变化是物理变化而不是化学变化。
After some way to deal with the original starch, the different degree to change its physical or chemical properties of the original.
原淀粉经过某种方法处理后，不同程度地改变其原来的物理或化学特性。
Nuclear reaction is a chemical change or a physical one?
核反应是化学反应还是物理反应。
This scientific law tells us that when one form of energy is converted to another form in any physical or chemical change, energy input always equals energy output.
这科学法律告诉我们，当一个能量的形式被转换成在所有物理或化学变化时的另一个形式，能量输入总是合计能量产品。
This paper introduces the physical and chemical change of particleboard in the course of hot pressing and analyses the effect of temperature, heating time and pressure.
介绍了刨花板热压过程中板坯的物理变化和化学变化，分析了热压温度、时间、压力在热压过程中的作用，阐明了热压工艺是刨花板生产中产品质量保证的重要环节。
The so-called active components, mainly composed of semiconductor and display, refer to those whose physical and chemical properties change when electrified.
所谓主动元件是指通电后物理或者化学特性发生变化的元件，主动元件主要是半导体元件和显示屏。
Due to its 'atomic resolution, STM can be used to induce the nanoscale physical or chemical change on the surface.
STM由于其原子级的空间分辨能力，可以诱导表面发生高度局域化的物理或化学变化。
Besides, Blending, chemical reaction and physical treatment are important ways to change the properties of films.
此外，共混、化学改性和物理处理也是改变壳聚糖膜性质便捷、重要的方法。
From adding substances to have physical and chemical effect on forst heaving soil grain to change the feature of the base, then reduce or eliminate the frost heaving feature of base soil.
通过外加物质与地基冻胀土颗粒进行物理化学作用，改变地基的特性，以减少或消除地基土的冻胀性。
This paper inquired into physical property and chemical property about amino acid, and the chemical change of amino acid in soy sauce under given conditions.
重点讨论了氨基酸的一般物理性质和化学性质，及酱油内的氨基酸在一定条件下的化学变化。
The conversion mechanisms of a chemical signal (gas concentration) into a physical signal (SAW phase velocity change) in SAW gas sensors and the way to separate them are discussed.
讨论了在SAW气体的传感器中把化学信号(气体浓度)转换成物理信号(SAW相速度变化)的机制以及将它们彼此分离开来的方法。
To subject to a process, an action, or a change, especially to a chemical or physical process or application.
处理使…经受了一个过程、行动或变化，尤指化学或物理上的过程或作用。
This change of state is a physical change and not a chemical one.
这种状态变化是物理变化，而不是化学变化。
Separation technology of macroscopic absorption resin could change physical and chemical parameters of different combinatorial herbs of Chinese drug extracts.
大孔树脂分离技术可改变中药复方不同药物组合的物理化学参数。
This paper studied the physical and chemical change of soaked pork fat in Yu Bing Shao rice wine processing.
研究了豉香型米酒陈酿过程中浸泡猪肉脂肪的物理化学性质变化。
This method is purely physical process, and has no any chemical change and pollution. It is an ideal way to withdraw the flavanone of corn silk.
结论该方法采用全物理过程，无任何化学变化及污染，是提取玉米须黄酮类物质的有效途径。
Gas injection will change physical and chemical properties of a system caused by thermodynamic condition variation in the process of gas injection.
注气将改变原有油藏体系的组分、组成等热力学条件，使原油的一系列物理、化学性质发生改变。
If you want to know the structure and properties of the atom, you must make physical and chemical experiments to change the state of the atom.
你要知道原子的组织同性质，你就得实行物理学和化学的实验，变革原子的情况。
This change of state is a physical change and not a chemical one.
这种状态的变化是物理变化，而不是化学变化。
Smelting in blast furnace is a complicated process under temperature including a lot of physical change , chemical change and transmission process .
高炉冶炼是在高温下发生的包含许多物理、化学变化传输过程的一个复杂过程。
Physical, chemical and biological agents were main elicitors being applied, which can change morphology, physiology and biochemistry to improve the natural disease resistance.
能够有效诱导果蔬采后抗病性的因子主要有物理、化学、生物等，其机理是通过生态学和生理生化的变化来提高果蔬对病原菌的抗病性。
The existence of seepage through soil mass makes the shearing strength change (mainly become smaller)because of the mechanical, physical and chemical reaction of water flow.
当土体中存在渗流时，由于水流的力学、物理、化学等作用，会使土体的抗剪强度发生变化（主要趋势是使抗剪强度降低）。
Is this a chemical change or a physical change when wood becomes desks?
木材变成桌子是物理变化还是化学变化？
This study investigates the regularity of the change on the physical and chemical water qualities in the distribution system during the process of water source switching in a city.
为了研究水源更换对给水管网水质的影响，对北方A市水源更换过程中管网水质理化指标进行了监测分析。
This paper discussed the change of free-energy while graphite transforming into diamond and the physical-chemical factors affecting the preservation of diamond.
作者讨论了石墨转化为金刚石时的自由能变化和影响金刚石保存的物理化学因素。
This paper discussed the change of free-energy while graphite transforming into diamond and the physical-chemical factors affecting the preservation of diamond.
作者讨论了石墨转化为金刚石时的自由能变化和影响金刚石保存的物理化学因素。
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