Solar systems are innovative technologies that leverage solar energy to transform it into solar thermal energy, to produce sanitary hot water or photovoltaic solar energy and thus producing electricity, but there are big differences in performance from one technology to another, especially in very cold weather, where snowfalls are abundant in these processes. We will see how affects this these various units in its operation. It is true that cold climates tend to have less sunlight to warm climates, but that loss of sunlight is compensated with more efficient solar equipment. Vacuum tubes vacuum tubes represent a different concept: the receiving surface is reduced and is placed inside the vacuum tubes, therefore with some heat loss. These tubes have the same appearance as a traditional fluorescent tube, but dark. The panels are formed with several of these tubes mounted on a structure of comb. The advantages of this system are its greater isolation, its disadvantage is in its placement, since usually it only allows a variation of about 20 on your ideal inclination, another factor to take into account is its fragility and not possessing a system of tracking snow accumulates on the glass blocking receive the Sun’s rays, and therefore ceases to produce energy, also its cost is significantly greater than other technologies. Flat panels flat solar collectors work taking advantage of the greenhouse effect.
The glass acts as a filter for certain wavelengths of sunlight, leaving mainly pass visible light, and is less transparent with infrared waves of lower energy. The sun shines on the glass of the collector and energy then heats the plate dust which, in turn, becomes to long-wave infrared radiation station, box enclosure is heated above the outside temperature. Passing per box, the fluid calo bearer that circulates through ducts is heated, and transports this thermal energy to where you want to be. The problem of these systems in its performance, this improves the lower the working temperature, since higher temperature inside the box, in relation to the outside, elders will be losses due to transmission in the glass. Also, higher temperature plate collecting, more energy will be its radiation, and more transparency will have glass to it, therefore decreasing the efficiency of the collector, this system also lacks solar tracking, yielding much less after a snowstorm, since snow must be removed to keep it running. Parabolic solar concentrators as its name indicates, the team concentrates all the power emitted by the Sun in a focal point, increasing the energy emitted by the Sun in large quantity. This system is very efficient in cold weather and snowfall since it has a solar tracking system that allows you to follow the Sun throughout the day, also another important factor to bear in mind is that it is uses anodized aluminum as food for thought, not of glass, this allows the snow melts faster and refale when the team begins to move to track the Sun, thanks to its double axis computer-controlled solar tracking system. This is the case of the solar concentrator SolarBeam which achieves a throughput that exceeds by 262% the efficiency of solar hot water panels, and is 98% more productive than solar systems with vacuum tubes. Providing an average of 10 kW of thermal heat per hour, in conclusion we have at our disposal a thermo solar continuous and safe energy source. Do to obtain more information about the Solar Concentrator, visit the web site at: who’s afraid to photovoltaic electricity?
As an important part of Chinese machinery manufacturing industry, the jaw crusher industry supports the mainstream equipment for the national economy and also reflects the development level of national industrialization level. With the development of economic globalization, our mining machinery industry especially the jaw crusher is moving on the intelligent, digitization and large-scale industry. In the process of production, the first problem is the crush of limestone cement. Hongxing Heavy Industries have worked out deep-cavity jaw crusher (including coarse breaker and fine breaker) after trials and transformation for many times, which is widely used currently. It has the advantages of big crushing ratio, even particle size of the finished product, low running cost, simple structure, easy maintenance, etc. The deep cavity of this crusher equipment has a relatively long stroke, which will help material grinding broken. 
During the External Audit carried out by the Organization of Certification, we will have to credit type of documentation yet, that we are working according to the requirements of the norm. After finalizing this Audit, we will know if finally the company has obtained the certification or and also we know as they are the points in which this organization finds us weak, if the certification has granted us, we will have to correct these points before the annual audit which we will realise to continue having this certification, if they have not granted it to us, we will have to correct these errors to return to ask for the External Audit for the obtaining of the Certification. Once obtained the certification of the norm, they would grant a seal to us, that will indicate facing our clients and suppliers that we are satisfying all the requirements of quality demanded by the own norm. After obtaining the certification, the norm demands that we have at least an internal auditor who realises throughout the year internal audits to the company to know if we are really fulfilling norm before the Auditor arrives from the Organization Certifier. During this process, we have seen, different figures, first of them is the expert consultant or in quality matters, the one that carries out the implantation of the norm. In order to carry out this implantation it is not necessary to have any type of degree, if it is necessary to have the knowledge to be able to carry out it, fulfilling all the requirements of the norm. Another figure, that can be the same person is the internal auditor, this person yes needs a specific degree, the degree of Internal Auditor in Systems of Management of Quality according to the ISO 9001:2008. 
ARTICLE CHILDREN OF the LAND we are generated and created in the Land, place where we are born, we live and we die. But in we ask and something to them in the uneasy one: For where we are going? That planet we had when being born? That planet we will leave for the future generations? They are fidgets that follow in them already since much time, but the answers are far from being given. Many factors take in them to believe that the way that we are treading (a time that we are all responsible ones for the planet where we live) is a way without return. Quality of life searchs all the cost, but for this we indiscriminately consume natural resources that, ' ' saibamos' ' , they are not infinite. We generate each time more substances pollutant cousins and products without in giving account to them nor asking in them: for where walks the humanity? That place is this where alive? Which my participation in this so important trajectory of the human development? They are frequent fidgets that make in them to reflect (or at least it would have) how much the all we, without exceptions, we are responsible for defending and taking care of of the planet. To consume simply already is not sufficiently, always wants more – induced that it is, for a market alienator advertising executive stimulated by the Capitalism, justificativo for the necessary Economic Development according to great economic groups dominant detainers of the power and the biggest wealth of the globe. We are fruit of a time of great technological and industrial development, we are part of a great teia of scientific advances, that in them place as co- participant, co- responsible of this immense ambient degradation. We have many times the impression of that we do not belong to this world, that it is not ours, that we are lodgers, perpetual debtors of the natural goods that would have responsibly (they must) to be of all.