نتایج جستجو برای: lmh
تعداد نتایج: 174 فیلتر نتایج به سال:
This manuscript presents the advances of a pilot testing, located in Spain, using ultrafiltration (UF) membranes to supply drinking water. These results could be extended islands Macaronesia area, for instance, Azores, Madeira, Canaries, and Cape Verde. The UF project targeted by activity is refurbishment an existing installation. installation at higher altitude, thus water supplied most island...
The utilisation of plant-derived nanoscale cellulosic materials (cellulose nanofibrils, CNF) in tailoring water purification membranes is constantly gaining interest the context green-functionalised membrane solutions. However, most existing approaches based on renewable and biobased suffer from lack efficient scalable processing strategies. Here, we introduce a roll-to-roll modification approa...
A series of experiments explored the role of structural information in the auditory recognition process, within the context of a backward recognition masking paradigm. A masking tone presented after a tl!st tone has been found to interfere with the perceptual processing of the test tone, the degree of interference decreasing with increased durations of the silent intertone interval between the ...
Abstract Humanity is facing a global challenge of dwindling water resources and the situation intensifying due to growing population leading excessive pollution. Nanofiltration an important membrane-based technology for production clean potable domestic industrial setups. Hyper-cross-linked polyamide thin film composite nanofiltration (HCPA-TFC-NF) membranes have been fabricated by using multif...
هدف از این تحقیق بررسی تصفیه پذیری پساب های پالایشگاهی با بیوراکتور غشایی به منظور دستیابی به استانداردهای تخلیه و استفاده کشاورزی و در نتیجه کاهش مشکلات زیست محیطی ناشی از تخلیه فاضلابهای نفتی و مشکلات عملیاتی فرایند لجن فعال متعارف میباشد. بدین منظورخروجی واحد daf تصفیه خانه پالایشگاه تهران به عنوان خوراک مورد استفاده قرار گرفت. در این تحقیق یک پایلوت در مقیاس نیمه صنعتی ساخته شد.سامانه غشایی...
The aryl hydrocarbon receptor (AHR) repressor (AHRR) has been recognized as a negative feedback modulator of AHR-mediated responses in fish and mammals. However, the repressive mechanism by the AHRR has not been investigated in other animals. To understand the molecular mechanism of dioxin toxicity and the evolutionary history of the AHR signaling pathway in avian species, the present study add...
We have cloned and determined the genomic organization of the core protein of the chicken transmembrane proteoglycan, syndecan-4. Identification of the initial cDNA was accomplished using polyclonal antibodies directed against the cytoplasmic domain of murine syndecan-1 core protein. The cDNA for chicken syndecan-4 encodes a putative core protein of 197 amino acids which consists of a 19-amino ...
NetB, a New Toxin That Is Associated with Avian Necrotic Enteritis Caused by Clostridium perfringens
For over 30 years a phospholipase C enzyme called alpha-toxin was thought to be the key virulence factor in necrotic enteritis caused by Clostridium perfringens. However, using a gene knockout mutant we have recently shown that alpha-toxin is not essential for pathogenesis. We have now discovered a key virulence determinant. A novel toxin (NetB) was identified in a C. perfringens strain isolate...
In vertebrates, a variety of light-stimulated genes are distributed in the retina, the pineal gland, and the suprachiasmatic nucleus, but a cis-element(s) responsible for the light-dependent transcriptional regulation is left unexplored. Focusing on the pinopsin gene, a light-stimulated gene in the chick pineal gland, we performed a transcriptional analysis in the primary culture of the chick p...
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