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تعداد نتایج: 416359 فیلتر نتایج به سال:
the hypothesis of this experiment was that the various sources of dietary fat with different dietary ratios of polyunsaturated fatty acids (pufas) to saturated fatty acids (sfas) would alter the reproduction parameters of mature rams. twelve mature rams were randomly allotted to one of four dietary treatments in a completely randomized design. dietary treatments were: 1) ration with 4% soybean ...
به دلیل عدم قطعیت‌های شناختی، تصادفی و محدودیت‌های انعطاف پذیر، در این مطالعه مدل جدیدی از برنامه‌ریزی محدودیت شانس انعطاف‌پذیر، امکانی، استوار مختلط بر مبنای تئوری اعتبار برای طراحی شبکه زنجیره تامین حلقه بسته توسعه داده شد. نگرش‌های متفاوت تصمیم‌گیرندگان با اندازه‌گیری انعطاف‌پذیرتر پارامترهای خوش‌بینانه بدبینانه قالب معیار پاسخ حداقل سطح رضایت انعطاف‌پذیر حل بهینه گردید. پیشنهادی، قادر کاهش ...
امروزه به دلیل شتاب روزافزون روند جهانی‌سازی در سراسر دنیا زنجیره تأمین ابعاد جدید به خود گرفته و بسیار پیچیده‌تر از قبل شده است. هوشمند باید طریق فناوری‌های مختلف بهخصوص اینترنت بتواند امکان تبادل اطلاعات سریع کل زنجیره را فراهم کند. پژوهش حاضر یک مطالعه کیفی بهمنظور ارائه مدل برای خدمات صندوق کارآفرینی امید صورت این روش داده‌بنیاد اشتراوس کوربین (1998)، استفاده تا اشباع نظری مصاحبه‌شوندگا...
nowadays in trade and economic issues, prediction is proposed as the most important branch of science. existence of effective variables, caused various sectors of the economic and business executives to prefer having mechanisms which can be used in their decisions. in recent years, several advances have led to various challenges in the science of forecasting. economical managers in various fi...
This paper investigates whether advertising has a beneficial or deleterious impact on the demand for magazine subscriptions. If consumers consider advertising a ‘bad,’ publishers must subsidize consumers through lower subscription prices or additional editorial content. If advertising is a ‘good,’ then consumers are willing to pay because it adds value to the magazine bundle. We employ data des...
In this paper, a micromachined silicon load cell (force sensor) is presented for measuring loads up to 1000 kg. The sensitive surface of 1 cm2 contains an array of sensing elements to make the load cell insensitive to non-homogeneous load distributions resulting in higher accuracy. The load cell has been realized and tested. Measurement results show an accuracy of 0.2 % of full scale limited by...
The increasing risk and incidence of computer misuse has raised awareness in the public and private sectors of the need to develop defensive and offensive responses. There is now widespread recognition of the importance of specialised forensic computing investigation (FCI) teams able to operate across conventional boundaries of law enforcement and national defence. More specifically, recent res...
We present a method for automated grading of texture samples which grades the sample based on a sequential scan of overlapping blocks, whose texture is classified using a soft partitioned SOM, where the soft clusters have been automatically generated using a labelled training set. The method was devised as an alternative to manual selection of hard clusters in a SOM for machine vision inspectio...
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