Involving people to actively participate in a program can be the success key of the program. Material aid and support can be important, but asking people to take part for their own sake can be the most important. The slogan of people to people will be effective to implement the program. With this slogan, people think that they are not an object. With this idea, the program will succeed. Most of program provided by such organizations belong to productive program. This program requires active participation from the target of the program. It means that the program will be from people to people.

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Advantages of Solvent Degreasing

The application and development of SF6 gas into the atmosphere should be considered the emissions, the study of more environment friendly enterprises to adapt to the economic development programs.Characteristics of SF6 gas The study found that at atmospheric pressure under the uniform electric field strength of SF6 gas insulated air three times, although less than the insulating oil and the high vacuum state, but the increase of SF6 gas pressure, the insulation strength will be higher than that of insulating oil, and high vacuum. SF6 gas on the environmental impact of SF6 gas molecular weight is 146, the air density is about 5 times. SF6 gases in the atmosphere to survive life is 3200 years. Therefore, SF6 gas is a very strong greenhouse gases. The principle of this circuit breaker through the SF6 gas from compressed gas cylinders (1.5MPa) the flow of low pressure gas chamber (0.3MPa) and the cooling breaking arc. Currently, domestic enterprises can produce medium voltage (12kV), high voltage (40.5kV ~ 252kV), EHV (363kV ~ 550kV), and ultra high voltage (800kV 1100kV) SF6 high voltage switchgear.Because SF6 gas has excellent insulating and arc quenching performance of the electrical installations to achieve the economic oriented, low maintenance oriented operation and space saving, SF6 gas has also begun to high voltage transmission and distribution equipment in the transformer, transmission pipelines and transformer areas such as application development. The United States during the period from 1998 to 2002 the production and processing of high voltage circuit breakers installed in the SF6 gas leakage rate were investigated. Leakage reason: 73% occurred in the gas installation, 21% is due to worn and damaged casing, and 6% is due to leakage of gas containers.SF6 gas emission reduction measures and development trend of SF6 electrical Direction of development of high voltage electrical products, especially the SF6 high voltage electrical products, should be to reduce emissions of SF6 gas to the atmosphere, the direction of the development of specific measures include: 1, raising the technological level of manufacturing process equipment, reducing the leakage rate of SF6 electrical equipment. 2, to promote the miniaturization of SF6 electrical equipment and reduce the volume of SF6 electrical equipment in order to reduce the use of SF6 gas. As far as possible a high degree of integration, layout and flexible composite electrical appliances or HGIS.3, developing low pressure of the SF6 switchgear and SF6 gas mixture of electrical equipment. So SF6 N2 is considered the preferred alternative to SF6 gas. At present, the world’s first hybrid gas insulated high voltage lines N2 SF6 in Geneva completed. ABB has developed LTB 72.5 kV a 145kV GCB and HPL72.5 300B1 type GCB can be used either pure SF6 gas can also be used SF6 N2 gas mixture. When using SF6 N2 mixed gas, at 20 ? Toshiba also N2 SF6 mixed gas circuit breaker is studied.4, in the equipment manufacturing and equipment maintenance during the use of advanced SF6 gas recovery unit, the recovery through a variety of filters to remove the SF6 gas in the water, oils, dust, and other elements resultant decomposition. Japan SF6 gas reduction measures is to establish a check curb emissions, to replace SF6 gas insulated equipment curb emissions, recycling system, and has taken action to improve the SF6 gas management system. Annual use of SF6 gas is about 1000t.

Environment chambers are constructed with convenient wireless systems filled with carefully adjusted sensor caps, logger caps and complaint software. They are equipped for product testing at various temps, from extreme cold to extreme hot.

They are able to also measure humidity, vibration, highly faster stress screening, existence test or any mixture of these. These are utilized to test the results of specified environment conditions on biological products, industrial items, materials and electronic products and components.

The chambers can be used as:

• Like a stand alone test for environment results of test individuals.

• As preparation of test individuals for more physical test or chemical tests.

• As environment conditions for performing testing of individuals.

Environment test chambers unnaturally replicate the circumstances to which the machinery, materials, products or components may be uncovered. These may range from the conditions which is probably not expected like: extreme temps, sudden and extreme temps versions, moisture or relative humidity, electro-dynamic oscillations, rain weathering yet others.

Chambers could be small rooms used both to condition test individuals and also to conduct the exam. They may be more compact models that can be used for conditioning test products. You will find some test chambers that are sufficiently small to become placed onto a universal testing machine or any other test apparatus.

Environment chambers vary broadly in dimensions, they may be small unites created for positioning on bench tops to large walk in chambers. Using the wide difference in dimensions, numerous user control choices are available, including simple analog indications as much as digital readouts with LCD shows.

Environment might be computer prrr-rrrglable, and networked or web-enabled test chambers can also be found.