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9.187  Articles
1 of 920 pages  |  10  records  |  more records»
A shorter reaction time in Aikido is essential for success. The aim of this study was to assess the effects of training on simple and choice reaction time in novice and experienced aikido practitioners. Sixty four Aikido practitioners between 18 to 28 yea... see more

Furfural adalah salah satu bahan kimia penting yang dapat diubah menjadi berbagai bahan kimia seperti furfuryl alkohol dan asam levulinat. Furfural dapat diproduksi dari biomassa lignoselulosa dalam kondisi asam dengan mengkonversikan fraksi hemiselulosa ... see more

Blood transfusion is an important part of health care. A blood transfusion can be carried out after careful consideration of its risks and benefits. One of the important considerations for blood transfusion is adverse transfusion reaction. Several risk fa... see more

The Heck reaction is one of the most studied coupling reactions and is recognized with the Nobel Prize in Chemistry. Thousands of articles, hundreds of reviews and a number of books have been published on this topic. All reviews are written exhaustively d... see more

Pyrolysis at the temperature range of 170 °C-237 °C against polystyrene (Styrofoam) type plastic waste is carried out without a catalyst and added a catalyst. The purpose of this research was to study the reaction kinetics of Styrofoam pyrolysis to liquid... see more

Traditional cross-coupling reactions, like Mizoroki-Heck Reaction and Suzuki Reaction, have revolutionized organic chemistry and are widely applied in modern organic synthesis. With the rapid development of C–H activation and asymmetric catalysis in recen... see more

The importance of observation in science and science education has triggered this laboratory development study that investigated the value of an observation kit as a new approach to teaching rate of reaction in general chemistry class. The kit consists of... see more

A series of coumarins have been prepared by the Pechmann reaction of different phenols with ethyl acetoactate as well as malic acid using catalytic amount of sulfuric acid under microwave irradiation for few seconds.

In the present work we studied a modified Bischler-Möhlau reaction – synthesis of indoles from benzoin and aniline. Our proposed modification of this method differs from that described earlier in that the reaction is carried out at a lower temperature, wh... see more

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