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Issue Info: 
  • Year: 

    1386
  • Volume: 

    9
Measures: 
  • Views: 

    650
  • Downloads: 

    0
Abstract: 

یکی از روشهای متداول برای بررسی نحوه انتشار امواج آکوستیکی در محیطهای با هندسه پیچیده و بزرگ روش Tracing Ray میباشد. در این روش بجای حل رابطه دیفرانسیلی هلمهولتز در محیط های بزرگ و سرعت صوت متغیر، امواج آکوستیکی بصورت پرتوهای صوتی فرض شده و نحوه انتشار و تداخل این امواج با همدیگر، و با شرایط مرزی مختلف مورد بررسی قرار می گیرد، که با این فرض سرعت حل و حجم محاسبات کاهش می یابد. در این مقاله ابتدا روابط حاکم بر این روش استخراج شده و مورد بررسی و ارزیابی قرار خواهد گرفت. سپس بطور خلاصه به نحوه حل معادلات در این روش اشاره می شود. در انتها به چگونگی اعمال شرایط مرزی و انواع آنها در محیطهای همگن پرداخته خواهد شد. با در نظرگیری شرایط مرزی و پروفیل های سرعت مختلف، با استفاده از کد تهیه شده بر اساس روابط حاصله، مشاهده می گردد که تاثیر سرعت صوت بر انتشار امواج بسیار محسوس بوده و در شرایط آب و هوایی و پروفیل های مختلف دمایی در طول شبانه روز، انتشار امواج آکوستیکی بشدت تغییر می کند که در کاربردهای عملی باید در نظر گرفته شود.

Yearly Impact:   مرکز اطلاعات علمی Scientific Information Database (SID) - Trusted Source for Research and Academic Resources

View 650

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Author(s): 

Issue Info: 
  • Year: 

    2022
  • Volume: 

    11
  • Issue: 

    22
  • Pages: 

    0-0
Measures: 
  • Citations: 

    1
  • Views: 

    23
  • Downloads: 

    0
Keywords: 
Abstract: 

Yearly Impact: مرکز اطلاعات علمی Scientific Information Database (SID) - Trusted Source for Research and Academic Resources

View 23

مرکز اطلاعات علمی Scientific Information Database (SID) - Trusted Source for Research and Academic ResourcesDownload 0 مرکز اطلاعات علمی Scientific Information Database (SID) - Trusted Source for Research and Academic ResourcesCitation 1 مرکز اطلاعات علمی Scientific Information Database (SID) - Trusted Source for Research and Academic ResourcesRefrence 0
Journal: 

KARAGAH

Issue Info: 
  • Year: 

    2021
  • Volume: 

    15
  • Issue: 

    54
  • Pages: 

    1-26
Measures: 
  • Citations: 

    0
  • Views: 

    915
  • Downloads: 

    0
Abstract: 

One of the most important problems and issues facing crime detection units in their missions which sometimes put the staff of these units in harma’ s way is lack of information superiority of these units in terms of crime tracing and detection facing them. To identify this problem and utilize solutions and take preventive security measures, it is necessary to conduct such research in ths regard. Therefore; the general objective of this research is to investigate the role of information superiority in crime tracing and detection in NAJA crime tracing units and to present preventive solutions. The present research is of applied type from type and objective perspectives and it with a qualitative approach. The study society includes specialized police staff as law enforcement agents in NAJA crime tracing units regarding the research subject. Using purposeful and hypothetical sampling, 20 persons were selected as samples and the process of sampling conitued till achieving hypothetical saturation. The tools used to collect data were presented with deep interview technique with the said people regarding identification, discovery and proving of crimes and finally arresting criminals. The findings show that information superiority is considered as one of the fundamental and necessary requirements of success in NAJA crime tracing units in the fields of crime detection and tracing and it can help these units in crime tracing measures such as identification, discovery, proving of crime and finally arresting professional criminals and gangs in police missions. Using committed and skilled human resources, having appropriate equipment and technology, informatns and sources at information spots, obtaining information about crimes and criminals, having data banks and finally preparing mission requirements in establishing information superiority are all very effective. In regards to the effective role of information superiority in identification, discovery and proving of crimes and arresting criminals, obtaining effective factors, eliminating the problems of crime tracing units are all emphasized for the success of police.

Yearly Impact: مرکز اطلاعات علمی Scientific Information Database (SID) - Trusted Source for Research and Academic Resources

View 915

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Author(s): 

Kouhi Tavakkol

Journal: 

NAQD VA NAZAR

Issue Info: 
  • Year: 

    2023
  • Volume: 

    28
  • Issue: 

    2 (پیاپی 110)
  • Pages: 

    7-25
Measures: 
  • Citations: 

    0
  • Views: 

    106
  • Downloads: 

    26
Abstract: 

In order to attribute moral responsibility to an agent for a particular action, several conditions must be present. These conditions include knowledge, awareness, intention, ability, and ultimately, the presence of free will. Nevertheless, there are instances where even if an agent initially appears to lack certain conditions, we still attribute responsibility to them for the resulting action. This is because we can trace the conditions of moral responsibility back in time to verify their fulfillment in the past. By employing an analytical approach, This article aims to explore moral responsibility in the context of different forms of moral self-deception. I contend that in cases of moral self-deception, when an agent deliberately chooses to ignore their prior inclinations and allows their motivational bias to influence their desired beliefs, the element of intention can be discerned in their self-deceptive actions. As a result, the agent can be held morally responsible.

Yearly Impact: مرکز اطلاعات علمی Scientific Information Database (SID) - Trusted Source for Research and Academic Resources

View 106

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Author(s): 

Issue Info: 
  • Year: 

    2020
  • Volume: 

    1
  • Issue: 

    1
  • Pages: 

    0-0
Measures: 
  • Citations: 

    1
  • Views: 

    52
  • Downloads: 

    0
Keywords: 
Abstract: 

Yearly Impact: مرکز اطلاعات علمی Scientific Information Database (SID) - Trusted Source for Research and Academic Resources

View 52

مرکز اطلاعات علمی Scientific Information Database (SID) - Trusted Source for Research and Academic ResourcesDownload 0 مرکز اطلاعات علمی Scientific Information Database (SID) - Trusted Source for Research and Academic ResourcesCitation 1 مرکز اطلاعات علمی Scientific Information Database (SID) - Trusted Source for Research and Academic ResourcesRefrence 0
Author(s): 

Issue Info: 
  • Year: 

    2017
  • Volume: 

    16
  • Issue: 

    4 suppl 1
  • Pages: 

    5-14
Measures: 
  • Citations: 

    1
  • Views: 

    134
  • Downloads: 

    0
Keywords: 
Abstract: 

Yearly Impact: مرکز اطلاعات علمی Scientific Information Database (SID) - Trusted Source for Research and Academic Resources

View 134

مرکز اطلاعات علمی Scientific Information Database (SID) - Trusted Source for Research and Academic ResourcesDownload 0 مرکز اطلاعات علمی Scientific Information Database (SID) - Trusted Source for Research and Academic ResourcesCitation 1 مرکز اطلاعات علمی Scientific Information Database (SID) - Trusted Source for Research and Academic ResourcesRefrence 0
Author(s): 

Journal: 

NATURE

Issue Info: 
  • Year: 

    2021
  • Volume: 

    594
  • Issue: 

    7864
  • Pages: 

    547-552
Measures: 
  • Citations: 

    1
  • Views: 

    15
  • Downloads: 

    0
Keywords: 
Abstract: 

Yearly Impact: مرکز اطلاعات علمی Scientific Information Database (SID) - Trusted Source for Research and Academic Resources

View 15

مرکز اطلاعات علمی Scientific Information Database (SID) - Trusted Source for Research and Academic ResourcesDownload 0 مرکز اطلاعات علمی Scientific Information Database (SID) - Trusted Source for Research and Academic ResourcesCitation 1 مرکز اطلاعات علمی Scientific Information Database (SID) - Trusted Source for Research and Academic ResourcesRefrence 0
Author(s): 

GRAVELY J.F. | BENZIES P.M.

Issue Info: 
  • Year: 

    1974
  • Volume: 

    1
  • Issue: 

    3
  • Pages: 

    95-101
Measures: 
  • Citations: 

    1
  • Views: 

    85
  • Downloads: 

    0
Keywords: 
Abstract: 

Yearly Impact: مرکز اطلاعات علمی Scientific Information Database (SID) - Trusted Source for Research and Academic Resources

View 85

مرکز اطلاعات علمی Scientific Information Database (SID) - Trusted Source for Research and Academic ResourcesDownload 0 مرکز اطلاعات علمی Scientific Information Database (SID) - Trusted Source for Research and Academic ResourcesCitation 1 مرکز اطلاعات علمی Scientific Information Database (SID) - Trusted Source for Research and Academic ResourcesRefrence 0
Issue Info: 
  • Year: 

    2005
  • Volume: 

    4
Measures: 
  • Views: 

    165
  • Downloads: 

    248
Abstract: 

Although the ethical issues in genetic modification or engineering are largely confined to medical applications and human therapy, debate around issues such as use of genetically modified food at the current time is a hot topic between scientists and even the lay public. The exercise of informed choice by consumer requires that they have accurate and unbiased information regarding what they eat. Since it is difficult to predict the impact of the GMF issue on consumer food choice in the world’s markets due to the lack or inadequate information on food products at the point of purchase, consumers have not faced a choice between GM and non-GM food products. Furthermore, a growing segment of the population worldwide that has ethical or religious belief may classify GMF carrying animal or human genes as being unacceptable as food. A labeling policy and also tracing, to control and validate the information found on a label, considered among tools developed to backup any allegations and increase consumer’s trust. Regulation concerning these aspects and the necessity of developing standards on a voluntary or mandatory basis in developing countries will be described.

Yearly Impact:   مرکز اطلاعات علمی Scientific Information Database (SID) - Trusted Source for Research and Academic Resources

View 165

مرکز اطلاعات علمی Scientific Information Database (SID) - Trusted Source for Research and Academic ResourcesDownload 248
Author(s): 

LIPPY E.C.

Issue Info: 
  • Year: 

    1978
  • Volume: 

    70
  • Issue: 

    -
  • Pages: 

    512-520
Measures: 
  • Citations: 

    1
  • Views: 

    180
  • Downloads: 

    0
Keywords: 
Abstract: 

Yearly Impact: مرکز اطلاعات علمی Scientific Information Database (SID) - Trusted Source for Research and Academic Resources

View 180

مرکز اطلاعات علمی Scientific Information Database (SID) - Trusted Source for Research and Academic ResourcesDownload 0 مرکز اطلاعات علمی Scientific Information Database (SID) - Trusted Source for Research and Academic ResourcesCitation 1 مرکز اطلاعات علمی Scientific Information Database (SID) - Trusted Source for Research and Academic ResourcesRefrence 0
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