Danh sách bài viết của Nguyễn Mỹ Hương

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Bài viết của Nguyễn Mỹ Hương

Requirements for Human Life

Humans have been adapting to life on Earth for at least the past 200,000 years. Earth and its atmosphere have provided us with air to breathe, water to drink, and food to eat, but these are not the only requirements for survival. Although you may rarely think ...

Tác giả: Nguyễn Mỹ Hương viết 15:29 ngày 25/05/2018 chỉnh sửa

Inelastic Collisions in One Dimension

We have seen that in an elastic collision, internal kinetic energy is conserved. An inelastic collision is one in which the internal kinetic energy changes (it is not conserved). This lack of conservation means that the forces between colliding objects ...

Tác giả: Nguyễn Mỹ Hương viết 15:29 ngày 25/05/2018 chỉnh sửa

Entropy and the Second Law of Thermodynamics: Disorder and the Unavailability of Energy

The ice in this drink is slowly melting. Eventually the liquid will reach thermal equilibrium, as predicted by the second law of thermodynamics. (credit: Jon Sullivan, PDPhoto.org) There is yet another way of expressing the second ...

Tác giả: Nguyễn Mỹ Hương viết 15:28 ngày 25/05/2018 chỉnh sửa

Inorganic Compounds Essential to Human Functioning

The concepts you have learned so far in this chapter govern all forms of matter, and would work as a foundation for geology as well as biology. This section of the chapter narrows the focus to the chemistry of human life; that is, the compounds important for ...

Tác giả: Nguyễn Mỹ Hương viết 15:28 ngày 25/05/2018 chỉnh sửa

Cell Growth and Division

So far in this chapter, you have read numerous times of the importance and prevalence of cell division. While there are a few cells in the body that do not undergo cell division (such as gametes, red blood cells, most neurons, and some muscle cells), most ...

Tác giả: Nguyễn Mỹ Hương viết 15:28 ngày 25/05/2018 chỉnh sửa

Pollination and Fertilization

In angiosperms, pollination is defined as the placement or transfer of pollen from the anther to the stigma of the same flower or another flower. In gymnosperms, pollination involves pollen transfer from the male cone to the female cone. Upon transfer, the ...

Tác giả: Nguyễn Mỹ Hương viết 15:28 ngày 25/05/2018 chỉnh sửa

Telescopes

are meant for viewing distant objects, producing an image that is larger than the image that can be seen with the unaided eye. gather far more light than the eye, allowing dim objects to be observed with greater magnification and better resolution. ...

Tác giả: Nguyễn Mỹ Hương viết 15:27 ngày 25/05/2018 chỉnh sửa

Vision

is the ability to detect light patterns from the outside environment and interpret them into images. Animals are bombarded with sensory information, and the sheer volume of visual information can be problematic. Fortunately, the visual systems of species ...

Tác giả: Nguyễn Mỹ Hương viết 15:27 ngày 25/05/2018 chỉnh sửa

Approximation

On many occasions, physicists, other scientists, and engineers need to make approximations or “guesstimates” for a particular quantity. What is the distance to a certain destination? What is the approximate density of a given item? About how ...

Tác giả: Nguyễn Mỹ Hương viết 15:27 ngày 25/05/2018 chỉnh sửa

Prokaryotic Metabolism

Prokaryotes are metabolically diverse organisms. There are many different environments on Earth with various energy and carbon sources, and variable conditions. Prokaryotes have been able to live in every environment by using whatever energy and carbon sources ...

Tác giả: Nguyễn Mỹ Hương viết 15:27 ngày 25/05/2018 chỉnh sửa

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Requirements for Human Life

Inelastic Collisions in One Dimension

Entropy and the Second Law of Thermodynamics: Disorder and the Unavailability of Energy

Inorganic Compounds Essential to Human Functioning

Cell Growth and Division

Pollination and Fertilization

Telescopes

Vision

Approximation

Prokaryotic Metabolism

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