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Curd is obtained by coagulating milk in a sequential process called curdling. It can be a final dairy product or the first stage in cheesemaking. The coagulation can be caused by adding rennet or any edible acidic substance such as lemon juice or vinegar, and then allowing it to coagulate. The increased acidity causes the milk proteins (casein) to tangle into solid masses, or curds. Milk that has been left to sour (raw milk alone or pasteurized milk with added lactic acid bacteria) will also naturally produce curds, and sour milk cheeses are produced this way. Producing cheese curds is one of the first steps in cheesemaking; the curds are pressed and drained to varying amounts for different styles of cheese and different secondary agents (molds for blue cheeses, etc.) are introduced before the desired aging finishes the cheese. The remaining liquid, which contains only whey proteins, is the whey. In cow's milk, 90 percent of the proteins are caseins.
जख़्म इतना गहरा हैं इज़हार क्या करें।
हम ख़ुद निशां बन गये ओरो का क्या करें।
मर गए हम मगर खुली रही आँखे।
क्योंकि हमारी आँखों को उनका इंतेज़ार हैं।
We’re often asked if identifying animals from their footprints is analogous to identifying humans from fingerprints.Unfortunately, the answer is no! Animal footprints are much more complex data. Take a look at this rhino footprint, fresh in from Namibia, and you’ll start to see why.
Unfortunately, and perhaps curiously, the answer is no! Animal footprints are much more complex images. Take a look at this rhino footprint, fresh in from Namibia, and you’ll start to see why.
Firstly, your fingerprint is the same wherever you place it. Inky finger + paper = repeatable pattern. An animal also has a unique foot, but also each footprint is unique! He or she places a unique footprint down in the sand or substrate each time they move a foot. The imprint of the foot depends on several factors including the type of substrate, the gait, the stride, the pace, and even the weather conditions.
Secondly, while humans are asked to present each finger in turn as they’re documented, animal footprints are all stretched out along a trail with no labels. We, as human interpreters, have to know the difference between left and right, front and back, and be prepared for changes in direction, pace, light etc.
Thirdly, while Homo sapiens is just one species, the endangered species we share the planet with all have different foot morphologies, and so we have to develop a different analytical algorithm for each.
Lastly, there’s the issue of background. A fingerprint on a piece of white paper has a very clearly defined edge. That’s also true for a human face. But a footprint and it’s background have one and the same substance, texture, colour and lighting. This makes footprints hard to outline, hard to see, hard to identify…
That’s why the science of footprint identification, ichnology, provides such a great challenge for computer vision techniques, and why we remain in awe of the traditional tracking skills honed by our ancestors.