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Isolation and optimization of the growth conditions of thermophilic microorganism from hot springsCellular structure and enzyme activities are deeply affected by temperature of habitat. For any microbe to grow at high temperature, their proteins must be able to resist heat. Hence, thermophiles have accumulated various thermostable enzymes that are high potential application in biotechnology. The thermophilic strains of Bacil Table 5 and F...
6 trang | Chia sẻ: hachi492 | Ngày: 25/02/2022 | Lượt xem: 0 | Lượt tải: 0
The use of water spinach (Ipomoea aquatica) in domestic wastewater treatment4.1.5. Phosphorus removal Phosphorus is the essential nutrient for plant growth. It can be assimilated by plants and be converted into various kinds of organic matter of plants (Gu et al., 2008). Water spinach, therefore, could assimilate PO3− 4 in wastewater and make a reduction from 8.5 ± 1.5 mg/L to 1.2 ± 0.2 mg/L. Eighty six percent of ...
6 trang | Chia sẻ: hachi492 | Ngày: 25/02/2022 | Lượt xem: 0 | Lượt tải: 0
Evaluating the growth capacity and heavy metal absorption of sweet sorghum and grain sorghum at the seedling stageCadmium is absorbed and accumulated firstly in the roots, then transported to the stems and leaves. The BT sorghum has a lower average plant height than the ET sweet sorghum, BT also has strongly ability of growth, thus, the Cd can be transported from the roots to the stem and to leaves with more strength. It is possible that the defense mec...
5 trang | Chia sẻ: hachi492 | Ngày: 25/02/2022 | Lượt xem: 0 | Lượt tải: 0
Evaluation of different diets to replace artemia nauplii for larval rearing of giant freshwater prawn (macrobrachium rosenbergii)In the present study, artificial diets were supplied from day 8 (stage V{VI) onwards. It was noticed that the larvae readily accepted the inert feeds. In this respect, the wet diet seemed to be more attractive to the larvae than the dry diets. Barros & Valenti (2003a) stated that the larvae only accepted inert feed from stage VII onwards and s...
9 trang | Chia sẻ: hachi492 | Ngày: 25/02/2022 | Lượt xem: 0 | Lượt tải: 0
Effects of lysine, methionine, threonine and tryptophan on growth performance and serum antibody titers to Gumboro disease of color - Feathered chickensSerum antiboy titres against Gumboro disease in broiler chickens According to IDEXX laboratories (2010), the antibody titres against Gumboro disease of around 1000-4000 would be sufficient to protect chickens from this disease. As shown in Table 4, the antibody titre against Gumboro disease after the first vaccination was lower than the minim...
6 trang | Chia sẻ: hachi492 | Ngày: 25/02/2022 | Lượt xem: 0 | Lượt tải: 0
Experimental application of surgical technique for perineal urethrostomy in male cats3.5. Improvement of surgical techniques The surgical technique was introduced by Wilson & Harrison (1971), we have had 2 improvement in the modified surgical technique, which helped the healing time and the operation time shorter. Improvement of urethra opening location expression: In the first case, the penis was only 1mm away from the bulbou...
7 trang | Chia sẻ: hachi492 | Ngày: 25/02/2022 | Lượt xem: 0 | Lượt tải: 0
Efficacy of white rice - Based diets in nursery pigs8. Conclusions Rice, widely grown over the world, is a highly digestible ingredient and has high potential to be a good feed ingredient for animals. Rice can sub stitute for corn in diets for weaned pigs without affecting the pig’s performance. The rice-based diet appears to be better in growth performance and feed efficiency than a barley- ...
12 trang | Chia sẻ: hachi492 | Ngày: 25/02/2022 | Lượt xem: 0 | Lượt tải: 0
Entrainer selection for separation of azeotropic mixtures by distillation methodsCONCLUSIONS A critical review of four existing entrainer screening rules has revealed that they contradict each other and that none of them can be used reliably for selecting a feasible entrainer and why there is a necessity to propose the entrainer selection procedure. Throughout the results of this work, the procedure has been proposed and in...
10 trang | Chia sẻ: hachi492 | Ngày: 25/02/2022 | Lượt xem: 0 | Lượt tải: 0
Characterization of cytochalasins and steroids from the fruiting bodies of daldinia concentrica in Viet NamCompound 2 was isolated as optically active colorless needles, m.p. 120-121 °C. The HR ESI MS analytical data of 2 revealed the molecular formula as C28H37O4N (m/z 451.2717 [M]+). Its NMR data is similar to 1 except for the presence of a methylene group in replace of an oxygenated methine. The 1H-NMR spectrum of 2 displayed the characteristic re...
6 trang | Chia sẻ: hachi492 | Ngày: 25/02/2022 | Lượt xem: 0 | Lượt tải: 0
Effect of rice bran oil on mycelial biomass production, biosynthesis and bioactivities of polysaccharides by ophiocordyceps sinensis fungusThe IC50 values of the polysaccharides exhibiting strong anti-inflammatory activities in vitro was present in Fig. 3. The result exhibited that EPS obtained from culture of O. sinensis with rice bran oil with different concentrations were able to inhibit BSA. In particular, high EPS obtained from culture medium supplemented with 5 % rice oil had...
9 trang | Chia sẻ: hachi492 | Ngày: 25/02/2022 | Lượt xem: 0 | Lượt tải: 0
