نتایج جستجو برای: rock engineering systems res
تعداد نتایج: 1438452 فیلتر نتایج به سال:
This research examines the factors that influence how members of the US House of Representatives vote. Party affiliation of the legislator and constituency interests will be the two main independent variables. The district's constituency characteristics are represented by constituency ideology ('96 Presidential vote for Clinton), percent non-white, region, and the median household education. Th...
Complex signals present 2 outstanding questions: why do they exist and how are they interpreted? Multiple signals can be beneficial for the increased diversity or redundancy of information they convey; however, it is not clear how receivers use this additional information. I investigated a lekking Malawi cichlid fish that builds polymorphic bowers; some males build their sand spawning craters o...
پیش بینی قابلیت تخریب توده سنگ یکی از ابزارهای مورد نیاز در طراحی و تخمین اندازه زیربرش برای رسیدن به تخریب پیوسته است.پیچیدگی سازوکارهای تخریب در معادن بزرگ مقیاس تخریب بلوکی سبب شده است که روش های معمول به طور کامل قادر به تحلیل و پیش بینی تخریب نباشند. یکی از عوامل را می توان به متعدد بودن پارامترهای کنترل کننده تخریب و از طرف دیگر اندرکنش موجود میان این پارامترها ربط داد. برای غلبه بر این م...
In the late 1970s politicians and civil servants were acutely aware of the chronic decline of the manufacturing sector as a source of employment in Britain. At a time of fear of mass unemployment, sources of new work were urgently sought. Biotechnology had been promoted by visionaries since the early twentieth century. With oil prices soaring, its potential to produce substitutes for petroleum ...
To compute the stability of underground engineering, a constitutive model of surrounding rock must be identified. Many constitutive models for rock mass have been proposed. In this model identification study, a generalized constitutive law for an elastic-plastic constitutive model is applied. Using the generalized constitutive law, the problem of model identification is transformed to a problem...
New features like high penetration level, low inertia, and weak damping are decreasing voltage support capacity in the power system as it sees large-scale renewable energy source (RES) integration continuously. The reasonable solution to this challenge is developing an additional active regulation function for converters (VSCs). This study proposes a droop-based control strategy VSCs RES-integr...
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