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How to Clean Your Green & Cloudy Pool After a Rainstorm | Blog

Maintain the higher shock levels to kill off all the algae. This can take several days and involve multiple treatments to get combined Chloramines and FC levels to the right levels that clear the water. While performing the treatment, brush and clean the pool thoroughly every day to remove dead algae and other dirt. • Chlorine comes stabilized or unstabilized. Stabilized chlorine is coated with Cyanuric acid to prevent Cl2 from evaporating. Unstabilized chlorine, such as sodium hypochlorite, is not treated with Cyanuric acid. • Sodium hypochlorite, also known as pool bleach, is available as a liquid and is highly concentrated compared to household bleach. Calcium hypochlorite is available as a granular powder or slow-release tablets. Both of these chemicals are used to shock the pool in order to raise the concentration of free chlorine (FC) in the water. • Calcium hypochlorite reacts vigorously with water to release free chlorine — but it dissolves slowly. To get the most free chlorine into the water, add it to your pool at night so it wo not evaporate as quickly. You will need to wait 8 hours to use the pool, anyway. The calcium acts as an alkaline buffer.

How to Clean Your Green & Cloudy Pool After a Rainstorm | Blog 1

Free Kitten?

Nothing is ever free. It was a "free" kitten because you did not have to pay any adoption fess. As with any pet though, you have to pay to keep it healthy. Supplies, food, routine vaccines, spay/neuter, vet visits, emergency situations. its all part of the responsibilities of having a pet. Everyone knows that. As for the crusties in the eyes, it may be an infection, so another trip to the vet may be in order. :) Otherwise, just give them a quick call and ask what they suggest. That part is "free". Why is this in pregnancy and parenting? **hahahahaha. I thought you were saying that the kitten had the pink eye. lol Too funny. Nix the "call the vet". Just use a warm wash cloth to clear out the crusty eyes every morning.

Wheat Free, Milk Free (nothing with milk in it like butter) and Egg Free Recipes?

in coles u get vegan apple pie and troogle (suprisingly vegan not intentionally vegan) u can get vegan like dunkaroos and heres a good recipe for choc cake 1/3 of a cup of pure cocoa powder 1 cup of warm water 1 and a 1/4 cup of flour 1 cup of sugar 1 ts of vannilla essence 1 ts of baking soda 1 ts of vinegar and oven at 200 degrees conventional and 250 fan forced (i think haha)

How to Clean Your Green & Cloudy Pool After a Rainstorm | Blog 2

transient free switching?

very confusing step. look into with yahoo and bing. it can assist!

College: liberal arts colleges. what If all "source-material" is Free Free Free on Internet for All?

Sure, it's all out there. So why do not you have the equivalent of a PhD in physics? Because no one is going to spend 12 years making themselves move through all the material, in the correct order, grade themselves (how can they tell if they are right without solutions, and most books do not have them)? How are you going to improve your writing with no feedback? How are you going to learn how to use lab equipment? You can not get millions of dollars worth of materials free at the library. How are you going to learn an instrument that can not be taught except in person (and there are a lot of them)? How do you plan to do original work when you've got no clue how to do that, or what needs to be done, without a mentor? You do not . That's what college is for

What's a soy-free, wheat-free meat substitute?

Quorn, it's made from mushrooms

Is a dairy-free, gluten-free diet good for Indians?

If the diet is also meat-free and egg-free, then I would be a little concerned about getting the right variety of amino acids at the right time from protein foods, and getting enough vitamin B12. If you happen not to make the enzyme for digesting dairy, then you need to stick to fermented dairy and butter or ghee or no dairy at all, and if you happen to have gluten enteropathy (you would know it, it's an awful disease) you should avoid gluten. But there is no health reason everyone should avoid dairy and gluten automatically, whether they are Indian or not. Is a dairy-free, gluten-free diet good for Indians?Is a dairy-free gluten-free diet good for Indians?

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Problems of Phased Array Ground Penetrating Radar Detection System
Although GPR has been widely used in hydrology, engineering, environment and other fields, many basic theoretical and technical problems have not been fundamentally solved, so the real advantages of GPR have not been brought into full play.The main problems existing in GPR technology include:1) The detection depth is shallow, and the contradiction between detection depth and resolution cannot be overcome. Increasing detection depth means sacrificing detection resolution;2) Multiple spread and other clutter jamming are serious, and there has been no good elimination method, which exists in radars at home and abroad;3) The influence of medium unevenness is great and can not be eliminated, resulting in difficulty in obtaining necessary velocity data;4) The data collection method of single sending and single receiving can provide limited information for post-processing and interpretation.The above problems are fatal defects for GPR. Although many geophysicists, electromagnetic experts and geophysical workers have done a lot of research and improvement on radar antenna design, signal processing and underground target imaging, these works are only partial modifications to the existing GPR system. In order to develop GPR technology, we must update our ideas and solve the problems from the fundamental principle.In view of this situation, experts proposed to develop a new GPR system - phased array GPR detection system in 1999.The basic research idea is to replace the current monopole radar antenna with the phased array radar antenna by using the relatively mature military phased array radar technology. Its purpose is to gather the electromagnetic wave into a narrow beam to transmit underground (or detection object) through the phased array technology, and receive the radar echo signal reflected by the target by using the multi-channel acquisition technology, The advanced data processing is carried out, and finally the three-dimensional image of the internal structure of the detection object is given.Development prospect of ground penetrating radar technologyIt is worth noting that at present, similar products have appeared in the market, such as RIS antenna array series of a company, but these products simply combine multiple monopole antennas into array antennas, which is essentially different from the idea of phased array ground penetrating radar.Because the phased array radar converges the electromagnetic wave into a narrow beam by controlling the phase delay of each channel, the energy is concentrated and the wave front diffusion is small. Therefore, the detection depth of the phased array radar is much larger under the condition of the same frequency and transmission power; On the contrary, under the same detection depth, phased array radar can improve the transmission power, so its resolution is much higher than the existing radar. In addition, since the spherical wave transmission is changed to beam transmission, the influence of medium heterogeneity is much smaller.Secondly, the phased array radar works in a continuous scanning mode and can scan in multiple directions. Therefore, the amount of information is much larger than that of the existing ground penetrating radar. For some special detection work, such as the quality detection of embankment cut-off wall, its role is unmatched by the existing ground penetrating radar (monopole antenna radar can not detect the joints, forks and other defects of embankment cut-off wall at all).Because phased array radar is a multi-channel received signal, multi-channel superposition can be carried out, just like the multiple coverage technology of reflection seismic exploration. Therefore, multiple interference can be greatly eliminated, which is difficult for existing radars. The antenna of high frequency (600mhz-1ghz) phased array ground penetrating radar can be made smaller, and its advantages are unmatched by the existing ground penetrating radar in shallow detection.At present, the system prototype has been completed. The carrier free pulse working system with center frequency of 900MHz is adopted, and the transmitting and receiving antennas are separated. 16 (4 × 4) Transmit channel forming, beam aggregation and scanning 16 (4) × 4) The channel receives the echo, and the optional scanning angles are - 36 °, - 24 °, - 12 °, 0 °, 12 °, 24 ° and 36 °.The software part of the system has rich data processing functions. The main conventional processing includes filtering, gain adjustment, static and dynamic correction, deconvolution, complex signal analysis, time-frequency analysis, etc., and multi-channel data processing, such as velocity analysis, superposition technology, coherence analysis technology, array signal processing, etc. And weak signal extraction, target automatic recognition and inversion interpretation under various clutter interference. A large number of field experiments on concrete detection in Yichang Three Gorges dam are carried out. The experimental results show that the spotlight scanning function of phased array radar has been realized, the penetration depth is greater than 1.5m and the resolution is higher than that of ordinary radar.Editing: hfy
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