نتایج جستجو برای: cold stores

تعداد نتایج: 127391  

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه پیام نور - دانشگاه پیام نور استان تهران - دانشکده زیست شناسی 1388

126 abstract: in this research we studied the effects of cyclic hydration and dehydration of cysts of artemia urmiana and artemia parthenogenetica on the hatching percentage, survival and growth. the experiment was carried out in 3 treatments (1-3 hydration/dehydration cycles) with 3 replicates for each treatment. later effects of cold preservation at -20°c during three time periods were ...

2000
WEI LIU XINMING OU WEIMIN ZHENG MIN WU MEIMING SHEN

The paper describes a name and attribute cache(NACache) in a distributed NFS server. The distributed NFS server provides the identical NFS service as the common NFS server and no modification to NFS client software. The NACache stores the metadata information of the distributed server and employs the prefetching approach to optimize the performance of metadata operations. It retrieves all file ...

2014
Le Guan Jingqiang Lin Bo Luo Jiwu Jing

Cryptographic systems are essential for computer and communication security, for instance, RSA is used in PGP Email clients and AES is employed in full disk encryption. In practice, the cryptographic keys are loaded and stored in RAM as plain-text, and therefore vulnerable to physical memory attacks (e.g., cold-boot attacks). To tackle this problem, we propose Copker, which implements asymmetri...

Journal: :Industrial health 2009
Ingvar Holmér

Many persons world wide are exposed to cold environments, either indoors for example in cold stores, or outdoors. Cold is a hazard to health and may affect safety and performance of work. Basis for the creation of safe and optimal working conditions may be obtained by the application of relevant international standards. ISO 11079 presents a method for evaluation of whole body heat balance. On t...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه صنعتی خواجه نصیرالدین طوسی - دانشکده مهندسی مکانیک 1381

در این پایان نامه در ابتدا دلایل شکل گیری آلاینده ها در شرایط cold start و warm up و راهکارهای کاهش آنها ارائه می شود. در ادامه، بهینه سازی فرایند شکل گیری مخلوط هوا و سوخت از طریق کنترل دقیق نسبت هوا به سوخت بعنوان یکی از بهترین راهکارهای عملی کاهش آلاینده ها در شرایط cold start و warm up با جزئیات کامل مورد بررسی قرار می گیرد. مدل بدست آمده (برای موتور پیکان انژکتور)، شبیه سازی می شود و نتایج...

Journal: :Diabetes 2005
Alex W Cohen William Schubert Dawn L Brasaemle Philipp E Scherer Michael P Lisanti

Recently, we have shown that loss of caveolin-1 leads to marked alterations in insulin signaling and lipolysis in white adipose tissue. However, little is known about the role of caveolin-1 in brown adipose tissue (BAT), a tissue responsible for nonshivering thermogenesis. Here, we show that caveolin-1 null mice have a mildly, yet significantly, decreased resting core body temperature. To inves...

2013
Shaghayegh Sahebi Peter Brusilovsky

Most of the research studies on recommender systems are focused on single-domain recommendations. With the growth of multidomain internet stores such as iTunes, Google Play, and Amazon.com, an opportunity to offer recommendations across different domains become more and more attractive. But there are few research studies on cross-domain recommender systems. In this paper, we study both the cold...

Ali Ashraf Jafari Azadeh Kavandi, Mojtaba Jafarzadeh,

Annual Sainfoin (Onobrychis crista-galli (L.) Lam.) is widely adapted to moderate and cold regions of Iran and naturally grows in pasture and rangelands used for forage in these areas. In order to study the effects of priming on seed germination and seedling growth in O. crista-galli, two factorial experiments were conducted based on a randomized complete design with three replications under la...

Journal: :The Journal of experimental biology 2002
Virpi Tiitu Matti Vornanen

In the present study, burbot (Lota lota L.) was used as a model to study the effects of acute temperature changes on cardiac contractility in a cold stenothermal fish. The burbot were captured in the breeding season (February) and were maintained for 4 weeks at 1-2 degrees C in the laboratory before the contractile properties of the heart were measured. Both isometric force and the pumping capa...

Journal: :E3S web of conferences 2021

This experiment uses “Bashan crisp plum” as the material, nano-bags and spontaneous modified atmosphere preservation bags for packaging, combined with 1-MCP fumigation treatment, stores in a cold storage at 1±1.5℃. The physiological biochemical measurements are measured every 15 days Indicators to discuss low-temperature effects of different packaging materials. results showed that use air-perm...

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