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Wyszukujesz frazę "Kumar, Rajendra" wg kryterium: Autor

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    Wyświetlanie 1-4 z 4
    Tytuł:
    Use of isoperibolic reaction calorimeter for the study of reaction kinetics of acetic anhydride hydrolysis reaction: Effect of acetic anhydride and water ratio
    Autorzy:
    Kumar, Rajendra
    Tiwari, Anurag Kumar
    Powiązania:
    https://bibliotekanauki.pl/articles/2173434.pdf
    Data publikacji:
    2022
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    acetic anhydride
    water
    reaction calorimeter
    hydrolysis
    kinetics
    bezwodnik octowy
    woda
    kalorymetr reakcyjny
    hydroliza
    kinetyka
    Opis:
    Reaction kinetics of acetic anhydride hydrolysis reaction is being studied at a fixed reaction temperature and ambient pressure using an isoperibolic reaction calorimeter. Temperature versus time data along with heat and mass balance is used to determine the kinetics parameters i.e. activation energy and Arrhenius coefficient. It has been studied with the varying volumetric ratio of acetic anhydride and water; and kinetics parameters were compared and plotted for each ratio. Such a study has not been done previously to determine the kinetics dependency on varying the acetic anhydride water ratio. As the acetic anhydride hydrolysis reaction is exothermic in nature, the present study will help to decide the safe and suitable operating conditions such as concentration and temperature for conducting this reaction at plant scale. The kinetic data presented can be used further for the mathematical modeling and simulation of such exothermic hydrolysis reactions.
    Źródło:
    Chemical and Process Engineering; 2022, 43, 2; 255--264
    0208-6425
    2300-1925
    Pojawia się w:
    Chemical and Process Engineering
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Jamun Seed: A Review on Bioactive Constituents, Nutritional Value and Health Benefits
    Autorzy:
    Tak, Yamini
    Kaur, Manpreet
    Jain, Mool C.
    Samota, Mahesh Kumar
    Meena, Nirmal Kumar
    Kaur, Gurpreet
    Kumar, Rajendra
    Sharma, Daisy
    Lorenzo, José M.
    Amarowicz, Ryszard
    Powiązania:
    https://bibliotekanauki.pl/articles/2159284.pdf
    Data publikacji:
    2022-09-05
    Wydawca:
    Instytut Rozrodu Zwierząt i Badań Żywności Polskiej Akademii Nauk w Olsztynie
    Tematy:
    jamun seeds
    nutrients
    bioactives
    extraction and purification
    nutraceuticals
    Opis:
    Jamun fruit, a member of the Myrtaceae family, is commercially grown in tropical and subtropical areas of the world for its fruits with sweet, sour, and astringent luscious flesh. Seeds of jamun fruits are discarded as trash during the industrial processing of fruit pulp into beverages, jellies, jam, vinegar, wine, and squash. These seeds are a potential source of bioactive compounds including hydrolysable tannins, phenolic acids, flavonoids, other phenolics, terpenoids, phloroglucinol derivatives and saponins, which have been endorsed several biological activities, such as antidiabetic, anticancer, anti-inflammatory, antioxidant, antimicrobial, antihyperlipidemic and antihypercholesterolemic, as well as cardioprotective, hepatoprotective and neuroprotective properties. High contents of carbohydrates, dietary fiber, minerals, and ascorbic acid have also been found in jamun seeds. However, potential utilization of these seeds as innovative implements for health benefits has not yet been fully understood. We aim to compile scientific research and recent advances on jamun seed nutritional profile, bioactive compounds composition, bioactive properties, and their potential as an ingredient in functional food formulation.
    Źródło:
    Polish Journal of Food and Nutrition Sciences; 2022, 72, 3; 211-228
    1230-0322
    2083-6007
    Pojawia się w:
    Polish Journal of Food and Nutrition Sciences
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Richter Type of Incarcerated Obturator Hernia; Misery Still Continues
    Autorzy:
    Jayant, Kumar
    Agarwal, Rajendra
    Agarwal, Swati
    Powiązania:
    https://bibliotekanauki.pl/articles/1395861.pdf
    Data publikacji:
    2015-02-03
    Wydawca:
    Index Copernicus International
    Tematy:
    Richter obturator hernia
    strangulation
    Opis:
    Obturator hernia is a rare type of hernia which accounts for only 0.07-1.4% of all intra-abdominal hernias and 0.2-5.8% of small-intestinal obstructions. It develops predominantly in elderly underweight women. It has nonspecific early symptoms, so these hernias are usually discovered only after they have become incarcerated. Incarcerated obturator hernias are usually discovered on abdominal computed tomography scan or emergency surgery due to bowel obstruction. Here we present a case of a 65-year-old female who presented with intermittent abdominal pain, distension and nausea for last 3 days. She was a known case of hypothyroidism, taking Levothyroxine in inadequate dose. Her intial abdominal Xray was showing few air-fluid level with air present in rectum. She was initially managed conservatively but later developed features of peritonitis for which she was operated. In laparotomy, Richter type of right-sided incarcerated obturator hernia was discovered with a small necrotic area and perforation of small bowel. Bowel resection was performed and obturator hernia was closed with interrupted sutures. The patient recovered without complications. Obturator hernia, due to its rarity and nonspecific early symptoms, can still be misleading even to the most experienced clinicians. Delay in diagnosis of obturator hernia can lead to bowel necrosis and perforation with significant postoperative morbidity and mortality.
    Źródło:
    Polish Journal of Surgery; 2014, 86, 10; 490-492
    0032-373X
    2299-2847
    Pojawia się w:
    Polish Journal of Surgery
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Synthesis, properties and applications of graphene oxide: an overview
    Autorzy:
    Nanda, Saswati
    Gaur, Atirek
    Duchaniya, Rajendra Kumar
    Powiązania:
    https://bibliotekanauki.pl/articles/1030153.pdf
    Data publikacji:
    2020
    Wydawca:
    Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
    Tematy:
    Brodie’s method
    Graphene Oxide
    Hummer’s method
    Modified Hummer’s method
    Staudenmaier method
    Opis:
    This paper introduces different methods of synthesis of graphene oxide, properties, and applications of graphene oxide (GO). Unique structural, optical, mechanical, thermal, electrical, barrier properties, excellent biocompatibility Broaden the applications of GO in several fields of science and technology. GO a versatile material is a two-dimensional structure contains oxygen-based functional groups. Hydrophilic nature, Corrosion resistance property of GO makes it a hot area of research in nanocomposite coating fields.
    Źródło:
    World Scientific News; 2020, 143; 17-27
    2392-2192
    Pojawia się w:
    World Scientific News
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-4 z 4

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