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lactometer

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What is Lactometer Lactometer, a cylindrical vessel made by blowing a glass tube. One side of glass tube looks like a bulb with filled by mercury and another site is thin tube with scaled. For milk testing lactometer dipped in milk which we are testing. In lactometer the point up to which it sinks in the pure milk is marked after that put in water and marked at the point up to which it sinks in water. It sinks less in milk then water because as we know milk is denser then water. At lactometer there are to portions i.e. ‘M ‘and ‘W’ which is divided in three parts and marked as 3, 2 and 1. That indicates the level of the purity in Milk. Here below some steps mentioned for milk testing – # Step 1-  Whenever you want to test the milk purity , you just put the instrument or lactometer in milk. # Step 2-  If it sinks up to the mark ‘M’ which mentioned at lactometer that means milk is pure or if not that means milk is impure. # Step 3-  If the milk is mixed in water then it woul
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Blood Group Test

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Blood Group Test  Blood typing procedure: 1. Mix! First mix the patient's blood with three different reagents including either of the three different antibodies, A, B or Rh antibodies! 2. Look for agglutination! Then you take a look at what has happened. In which mixtures has clumping, or agglutination, occurred? The agglutination indicates that the blood has reacted with a certain antibody and is therefore not compatible with blood containing that kind of antibody. If the blood does not agglutinate, it indicates that the blood does not have the antigens binding the special antibody in the reagent. 3. Figure out the ABO blood group! Start by taking a look at the test tubes containing A and B antibodies. Has the blood agglutinated in either of these two tubes? No agglutination in test tube A, indicates that the patient's red blood cells do not have A antigens. Agglutination in the tube containing B antibodies indicates that the patients' red blood
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hydrophonics

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Hydroponics can play a vital role in changing the way we think about plant growth and may well be the future of gardening and farming. H ave you ever wanted to grow your own vegetables or herbs at home but were unable to do so for lack of space? If so, hydroponic gardening could be the answer you’ve been looking for. PHOTO SOURCE What is Hydroponics? The science of soil-less gardening is called hydroponics. It basically involves growing healthy plants without the use of a traditional soil medium by using a nutrient like a mineral rich water solution instead. A plant just needs select nutrients, some water, and sunlight to grow. Not only do plants grow without soil, they often grow a lot better with their roots in water instead. PHOTO SOURCE What are its benefits ? Hydroponic gardening is fast becoming a popular choice for many growers around the world due to its more sustainable approach to resource usage than the usual growing methods. Here are a few of its many be
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