نتایج جستجو برای: pollution cost

تعداد نتایج: 453279  

Journal: :Discrete Dynamics in Nature and Society 2022

Aiming at the problems of high error rate and long time traditional environmental pollution control cost accounting algorithm, a algorithm based on discrete probability was designed. Firstly, is classified monetization function constructed. Then, index system established, Finally, model used to optimize function, optimized design algorithm. The experimental results show that proposed can quickl...

Journal: :Smart Health 2022

Urban environments with a high degree of industrialization are infested hazardous chemicals and airborne pollutants. These pollutants can have devastating effects on human health, causing both acute chronic diseases such as respiratory infections, lung cancer, heart disease. Air pollution monitoring is vital not only to citizens, warning them the health risks air pollutants, but also policy-mak...

Trimethylsilylation of alcohols and phenols were carried out under solvent-free conditions with hexamethyldisilazane (HMDS) using LaCoO3 perovskite. LaCoO3 as an efficient catalyst accelerated this reaction under milder condition. The advantages of this method are evident regarding, easy separation, low cost and low catalyst loading, lack of pollution, easy work-up, and selective protection of ...

Journal: :Computer Networks 2010
Yixin Jiang Haojin Zhu Minghui Shi Xuemin Shen Chuang Lin

The network coding based applications are vulnerable to possible malicious pollution attacks. Signature schemes have been well-recognized as the most effective approach to address this security issue. However, existing homomorphic signature schemes for network coding either incur high transmission/computation overhead, or are vulnerable to random forgery attacks. In this paper, we propose a nov...

2011

One of the key aims of this research is to formulate a more effective, sustainable and politically feasible pollution management approach for the Buriganga River. This was pursued through several avenues, including the analysis of river and waste water quality; the assessment of the existing river pollution control system; and the economic analysis of three alternative policies for water pollut...

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