To conduct our experiment, we used two 20cm glass containers and fill them up with exactly 200 mL of respective salinities. To ensure that no water velocity is influencing the species tested, the water was settled down before moving our snails into the arena. The glass containers had been marked on the bottom to determine the center of the container. All the snails tested were then placed at the marking and were timed for 1 minute 30 seconds allowing 5 seconds for the snails to acclimate the conditions. The path of the snails was then traced using the acetate sheets and after the allotted time the length of the path was measured using a string and a
Cumin Seeds – They help to facilitate digestion and prevent gas from forming. Just boil ½ teaspoon cumin seeds with a cup of water for 5 minutes. Once cooled, just give 1 teaspoon of this concoction to your baby 2-3 times a day. How to prevent gas formation? In order to prevent the formation of gas, you may take the following measures: 1.
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The average egg size ranges from 120 – 130 um in diameters. Because of the short longevity of the sperm (about 30 minutes), the sperm is obtained shortly before fertilization. It is recommended to select the best quality sperm –based on motility and number- via microscopic examination using Sedwegick and Neubauer chambers. Fertilization: Washed eggs are transferred into containers of 10-12 liters whereas about a million ovules are placed in 1-um filtered and UV-irradiated seawater and at 17 – 18 °C. Fertilization is carried out by adding one ml of sperm solution with approx.
The animals were fasted for 24 h before the experiment with free access to water and were treated orally with two equal doses of either indomethacin (10 mg Kg-1 b.w.) or the test compounds (50 mg Kg-1 b.w.) at 0 and 12 h intervals, except the control group, which received 0.5% w/v CMC. After the drug treatment, the rats were fed a normal diet for 17 h and then sacrificed. The stomach was removed and opened along the greater curvature, washed with distilled water and cleaned gently by dipping in normal saline.
We started of by adding a small piece of liver to an empty test tube and placing just enough water to cover it. After this we placed it in a hot bath for five minutes and after letting it cool we tested to see its reaction rate with hydrogen peroxide, it received a one because of the very little reaction occurring. Then we got four more empty test tubes and filled two of them with hydrogen peroxide and two of them with equal amounts of liver. Then we placed a test tube with hydrogen and another test tube with liver into an ice bath and placed the remaining into a warm bath for three minutes. After this we tested the reaction rates by pouring the respective hydrogen peroxide and live (warm with warm and cold with cold).
Wash the residue with hot water until the washings are free from chlorides as tested with silver nitrate solution and return the filter paper and residue to the dish. Keep it in an electric air oven maintained at 135 ± 2 °C for about 3 hrs. Ignite the dish again for about 30 minutes, cool and weigh. Repeat this process till the difference between two successive weighings is less than 1 mg. Note the lowest
Energizing drinks Why am I always tired? Well, what do you drink? The caffeine in coffee, black tea, and sodas, zap up the Vitamin B in your body. It increases your blood sugar levels and when the levels come down your energy come down with them too. Thyme tea: To help restore energy, Pour 1 teaspoon of dried thyme into 1 cup of hot water and let it soak for 5 minutes with the lid covered.
5-aminotetrazole monohydrate: In a 250 ml round-bottom flask equipped with a condenser for refluxing (90 °C) and a magnetic stirring bar, 5.00 g (5.95 mmol) dicyandiamide (three times crystallized), 7.47 g (11.9 mmol) sodium azide and 11.00 g (17.8 mmol) boric acid and 100 ml of water is added and allowed to reflux for 24 hours, after the completion of the reaction, until the solution pH to about 2 to 3 as hydrochloric acid 37% is added (about 12 ml) Then the reaction mixture was cooled in a refrigerator for 18 hours and the white crystals formed. The mixture was filtered and washed three times with 10 ml of water and and dried in 60 °C for 5 hours and finally 45.8 g of product by it will be obtained. 5-Aminotetrazol monohydrate: Yield:,
Firstly, 0.3 g Fe3O4 was ultrasonically dispersed into 150 ml solvent (Vmethanol/Vwater=1/1) for 20 min to obtain a uniform suspension. A 100 ml alkaline solution (0.32 g Na2CO3, 0.48 g NaOH) was added dropwise into the suspension until pH ca. 10.0 and kept for 5 min, then another 100 ml salt solution (1.02 g Mg(NO3)2⋅6H2O and 1.2 g Al(NO3)3⋅9H2O) and above alkaline solution were simultaneously added maintaining the pH in 9.5-10.0. The resultant was stirred for 5 min followed separation by using a magnet and thoroughly washing with deionized water and alcohol and dried at 60 °C overnight giving product Fe-Mg/Al