Acronym Finder

Polyvinyl chloride, non-plastic (UPVC)

This article is a kind of variation of thermoplastics, modern, consisting of the derivatives of the original crude oil and salt. In the process of the production of UPVC with the addition of several different materials, because the traffic signs (Impact Modifier), a material with anti-combustion (Heat Stabilizers), the fillers (Fillers), the donor (Processiny Aids), the lubricant of internal and external (Internal...

Oxygen () is one of the chemical elements in the periodic table is that it's symbol O and atomic number it 8. An element of biodiversity has been and is everywhere, what land and what in the whole cosmos can be found. The oxygen molecule (O2) in the Earth in terms of thermodynamic unstable, but by the action of photosynthetic anaerobic bacteria, and in the next stage by the action of light, making the plants a land, there comes.

oxygen at room temperature and standard pressure for a gas that contains two atoms of oxygen to the chemical formula O2. Oxygen the most important element is air, and through the act of photosynthesis, the plants produced, and to the breathing of animals is necessary. The word oxygen in the two Greek words Oxus(sour) and Gennan (procreation) is made, i.e., something from which the pickles have comes. In English can be used for that word 's applied. ( other languages for the word oxygen, for example, many German Sauerstoff and Dutch zuurstof together exactly the same means gives). Liquid oxygen and solid color aqua blue, and have both very . Liquid oxygen, commonly with the practice of distillation, partial, liquid comes to hand....

The meaning of these words, the net value of the current is and of the key concepts in economics.

frequently, to compare economic projects with each other and also determine the economic feasibility of a project, the first step calculate the value of the net current (NPW)....

Concrete, fibrous sort of concrete is that its manufacture of the fibers used are cement, water, aggregates and additives, along with mixed fibers. fibers causes increase the connectedness, tensile strength, reduced Cracking of concrete and increase the softness, the concrete is. Free fibers and their size, the type of consumption of concrete and the tensile strength desired depends. The fibers can be glass fibers or metal fibers, or fibers of polymer is and the size of them is usually 3 to 20 mm ....

The Institute of concrete American that briefly, the CIA is said to be one of the most prestigious institutions of the scientific and technical world. This institution in the year 1904 in America, was established, and now the one hundred and fifth year of his life has spent. Indeed, the aforementioned Institute with the purpose of teaching and learning, knowledge engineering, scientific research, research and development, design standards, and implementation structures, concrete and ... reinforced concrete and ... materials and materials relevant at the level of World activity. That with time, effort, and scientific, educational, abundant, and effective, the attention of communities, of civil engineering in different countries of the world is located. Now the International Institute of American Concrete (ACI), and over 108 branches across the world and in order to promote science, every month, to publish periodicals, newsletters and journals, Scientific Research, diverse. Also, every year in America, attempted to hold two annual conference (spring, etc. autumnal), the tournament, students, scientific conferences and international roundtables, the regional level of the world....

Education course teaching. Courses for teachers to improve the level of training...

System recognition with radio waves, the system identify the Wireless is able to exchange data as a means to communicate information between a Tag, which to a commodity, object, etc. cards, and... is connected, and a proofreader (Reader). System, the RFID of the electronic signals, and electromagnetic for reading and writing data without contact enjoying....

a number in a base, etc. equal to the exponent of the base that the number gives. For the sample, the logarithm of 1000 in base 10 is equal to 3.
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