Des chercheurs de Toulouse sont parvenus à créer du fer pur en utilisant exclusivement de l'urine humaine soumise à du ...

إعداد: أ.د.صبحي فهمي منصور أستاذ الأراضي بمعهد بحوث الأراضي والمياه والبيئة – مركز البحوث الزراعية من الأهمية أن نعتبر صحة التربة مؤشرًا مركبًا يجمع الخصائص الكيميائية والفيزيائية والبيولوجية، وليس وح ...

Urease is one of the most consequential enzymes in the microbial world. By hydrolyzing urea into ammonia and carbon dioxide, ...

A novel bioengineering technique known as Microbially Induced Calcite Precipitation (MICP) is emerging as a promising and sustainable solution to tackle coastal erosion, signalling a shift from ...

主要用于测定尿和血液中的尿素，是一种含镍的寡聚酶。催化尿素水解生成碳酸和两分子氨的含镍酶，并释放出氨和二氧化碳。 酶促反应： 脲酶将样品中的尿素水解为氨。 显色反应： 产生的氨 ...

The Federal Insecticide, Fungicide, and Rodenticide Act (FIFRA) requires that all pesticides sold or distributed in the United States (including imported pesticides) be registered by the U.S.

An international research team led by the University of Waterloo is developing technology to dissolve painful kidney stones in the urinary tract using tiny robots. The research is published in the ...

The urea breath test is used to detect Helicobacter pylori (H. pylori), a type of bacteria that may infect the stomach and is a main cause of ulcers in both the stomach and duodenum (the first part of ...

Unprotected/uninhibited solid fertiliser that contains urea can only be applied between 15 January and 31 March. After 1 April, solid fertiliser needs to have a ...