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Environment degradation

Xem 1-11 trên 11 kết quả Environment degradation
  • The present study investigated the photodegradation of 2,4- Dichlorophenoxyacetic acid (2,4-D) in a water environment using synthesized titania nanoparticles (TiO2-NPs). The TiO2-NPs fabricated by sol-gel method were distinguished by X-ray diffraction (XRD) and Transmission electron microscopy (TEM), Infrared spectroscopy (IR), and zeta potential measurements.

    pdf5p vikwong 29-09-2024 2 1   Download

  • Vietnam experiences increasing droughts throughout the dry season due to climate change, global warming, and human-caused activities like urbanization and deforestation. Drought hazard significantly impacts socioeconomic, agriculture, and the environment; it directly threatens human lives, livelihoods, food security, and environmental degradation.

    pdf13p vifaye 20-09-2024 4 1   Download

  • The general policy implication is that environmental policies should not be uniform for all countries. Environmental policy must be country‐and polluter‐specific to solve environmental problems faced by a country. A well‐designed environmental policy should reflect the specific needs of a country, considering the country’s level of economic development as well as specific environmental pollutants.

    pdf25p toduongg 24-08-2024 2 2   Download

  • The aim of the work "Stochastic service life prediction of RC girders subjected to chloride induced corrosion – Shear limit state" presented in this thesis is service life prediction of corroded reinforced concrete girders, which forms an important part of durability design. The scope of this work is limited to shear limit state considering the chloride induced corrosion of reinforcement as the degradation mechanism. The review of literature shows that the service life estimation of reinforced concrete bridges exposed to marine environment is an active area of research.

    pdf288p runordie3 06-07-2022 19 2   Download

  • Environment degradation is the major threat confronting the world and rampant use of chemical fertilizer contribute largely to the deterioration of the environment. Soil fertility highly affected due to imbalance use of fertilizers that has deep impact on productivity and soil degradation. This study gives an idea to identification of effects of variable diet on growth and reproduction of Eisenia fetida which leads to enhancement of soil quality.

    pdf7p nguaconbaynhay6 24-06-2020 14 1   Download

  • Lecture Gender and Environment of Dr. Annuska Derks presented: What is Gender?, Emergence of "Women and Environment", Women and Environmental Degradation, Why "gender and environment".

    ppt10p votinhdon91 15-08-2014 55 2   Download

  • The metalloendopeptidase 24.15 (EP24.15) is ubiquitously present in the extracellular environment as a secreted protein. Outside the cell, this enzyme degrades several neuropeptides containing from 5 to 17 amino acids (e.g. gonadotropin releasing hormone, bradykinin, opioids and neuro-tensin). The constitutive secretion of EP24.15 from glioma C6 cells was demonstrated to be stimulated linearly by reduced concentrations of extra-cellular calcium.

    pdf15p awards 06-04-2013 28 3   Download

  • Receptors should be properly analysed in view of the microenvironment in which they are embedded. Therefore, the concept of ‘receptosome’ was for-mulated to the complex interactions taking place between receptors and other proteins at the plasma membrane level, and to explain very heteroge-neous or divergent cellular responses to common epigenetic factors and modifications to the extracellular environment.

    pdf12p vinaphone15 27-02-2013 42 2   Download

  • Natural polyamines (putrescine, spermidine, and spermine) self-assemble in a simulated physiological environment (50 mmsodium phosphate buffer, pH 7.2), generating in vitro nuclear aggregates of polyamines (ivNAPs). These supramolecular compounds are similar in structure and molecular mass to naturally occurring cellular nuclear aggregates of polyamines, and they share the ability of NAPs to interact with and protect the genomic DNA against nuclease degradation.

    pdf12p viettel02 22-02-2013 36 4   Download

  • In muscle  forms as cytosolic granules with a diameter of 10 to 40 nm - the same as the size of ribosome. Concentration (liver cells) concentration (muscle cells) Total amount of glycogen in muscle cells in the liver. In the uterus, glycogen is stored during pregnancy to nourish the embryo. In vagina, glycogen is secreted and then converted into lactic acid to maintain the acidic environment in order to protect vagina from outside bacteria infections. In kidneys, brain and white blood cells....

    ppt44p zingzing09 21-10-2012 104 11   Download

  • Household Coastal Aquaculture, ranging from 0.5 ha to interface Active 3 ha, 90% Serial Serial quality shrimp in Vietnam, a $ 1 billion in the year 2004.Kha developmentkinh feature international and ben Firmware computer environment of the site is left in the fields of this file is to DOA by the cream of instruction to mount farming play Transaction disease, environment degradation, contaminated with tree print quality and Balance qualitykhang ciphertext Serial quality students and shrink .

    pdf16p xau_la 10-02-2012 73 6   Download

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