نتایج جستجو برای: ایستگاه های bts
تعداد نتایج: 483806 فیلتر نتایج به سال:
این مقاله به امکانسنجی استفاده از واحد فتوولتائیک در صنعت مخابرات برای تأمین برق مصرفی BTSها میپردازد.شرکت مخابرات برای افزایش دامنه پوشش تلفن همراه نیازمند نصب BTS در مناطق مختلف است و تأمین برق مصرفی BTS، در مناطق دور از شبکه برق از مشکلات پیش رو در توسعه شبکه مخابراتی است. دراین مقاله ابتدا راههای تأمین انرژی مورد نیاز BTS معرفی شده، سپس اقلیم آب و هوایی یک منطقه خاص در نظر گرفته شده و ب...
زمینه و هدف: همگام با پیشرفت تکنولوژی تماس با فرکانس های مختلف میدان های الکترومغناطیسی(emf) به نحو چشمگیری در حال افزایش است. درحالی که مزایای فراوان استفاده از امواج میکروویو در زندگی روزمره غیرقابل چشم پوشی است، ولی در طی سال های اخیر اثرات مضری که ناشی از تماس با میدان های الکتریکی و مغناطیسی این امواج که از آنتن های bts منتشر می شود، گزارش شده است. هدف از این تحقیق بررسی وضعیت انتشار ...
BACKGROUND Canine epileptoid cramping syndrome (CECS) is a paroxysmal movement disorder of Border Terriers (BTs). These dogs might respond to a gluten-free diet. OBJECTIVES The objective of this study was to examine the clinical and serological effect of a gluten-free diet in BTs with CECS. ANIMALS Six client-owned BTs with clinically confirmed CECS. METHODS Dogs were prospectively recrui...
Because the major processes involved in muscle contraction require rapid utilization of ATP, measurement of ATP utilization can provide important insights into the mechanisms of contraction. It is necessary, however, to differentiate between the contribution made by cross-bridges and that of the sarcoplasmic reticulum (SR) Ca2+ pumps. Specific and potent SR Ca2+ pump blockers have been used in ...
Results from the Bac-T-Screen (BTS) of fresh urine specimens were compared with the BTS results obtained when the same urine specimens had been held at room temperature for 24 h. Of the 246 specimens studied, 43 were initially BTS positive, 11 were false-negative, and 39 had greater than or equal to 10(5) CFU/ml. After 24 h at room temperature an additional 60 specimens had greater than or equa...
Open base transceiver station (BTS) project was originally developed using open-source Unix/Linux applications in conjunction with Universal Software Radio Peripheral (USRP) to implement GSM (Global System for Mobile Communications) air interface supporting GSM handsets at much lower cost than commercial carrier BTS systems. This paper emphasizes concepts and methodology of low cost Open BTS im...
Behavior Trees (BTs) are a plan representation and execution tool which has recently started to draw the attention of the robotics community. The available literature lack consistency and mathematical rigor required for control applications. This paper presents a unified formalism for BTs which elevates them to the same standard as other well known plan execution tools. We approach the problem ...
Contraction-stimulated glucose transport by skeletal muscle appears to be caused by the cumulative effects of multiple inputs [potentially including AMP-activated protein kinase (AMPK), Ca(2+) flux, and force production], making it challenging to isolate the roles of these putative regulatory factors. To distinguish the effects of force production from the direct consequences of Ca(2+) flux, th...
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