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Author(s): 

Sheykh Mohammadi Mohammad Hossein | Etemadi Nematollah

Issue Info: 
  • Year: 

    2023
  • Volume: 

    53
  • Issue: 

    3
  • Pages: 

    591-599
Measures: 
  • Citations: 

    0
  • Views: 

    85
  • Downloads: 

    17
Abstract: 

Application of regulators in production of pot plants have been increasing due to lowering growth, improving branching and the number of flowering branches. In order to study the effect of levels and application method of trinexapac-ethyl regulator on height control and morphophysiological characteristics and flowering of Zinnia elegans, a factorial experiment based on completely randomized design with three replications was performed. Zinnias seedlings were planted in polyethylene pots and subjected to trinexapac-ethyl with levels of zero, 2×10-3, 1×10-3, 0.5×10-3 and 4.5×10-4 g when the first bud emerged. Trinexapac-ethyl was applied in both foliar spray and soil application. According to the results, 1×10-3 and 2×10-3g trinexapac-ethyl caused significant reduction in plant height. As trinexapac-ethyl level increased, number of branches and flowers were increased accordingly most of which was under the latter treatment. Branch length and leaf number was not affected. The concentrations 1×10-3 and 2×10-3g increased chlorophyll and shoots sugars, but not on root. Similarly, soil application of Trinexapac-ethyl did not showed positive effects. In light of obtained results, foliar spray application of Trinexapac-ethyl may serve as a suitable way to produce dwarf and pot Zinnia elegans  ‘state fair mix’. Based on the obtained results, application of Trinexapac-ethyl as foliar application can control and reduce the height of the Zinnia elegans ‘state fair mix’.

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Issue Info: 
  • Year: 

    1378
  • Volume: 

    4
  • Issue: 

    10-11 (پیاپی 47-46)
  • Pages: 

    26-27
Measures: 
  • Citations: 

    4
  • Views: 

    465
  • Downloads: 

    0
Keywords: 
Abstract: 

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

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Issue Info: 
  • Year: 

    1379
  • Volume: 

    5
  • Issue: 

    4-5 (پیاپی 53-52)
  • Pages: 

    0-0
Measures: 
  • Citations: 

    5
  • Views: 

    498
  • Downloads: 

    0
Keywords: 
Abstract: 

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

View 498

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Issue Info: 
  • Year: 

    2015
  • Volume: 

    8
  • Issue: 

    26
  • Pages: 

    19-30
Measures: 
  • Citations: 

    0
  • Views: 

    1543
  • Downloads: 

    0
Abstract: 

In this study, we estimated the parameters using the state Space model described in ARIMA form. We’ve also used the Monte Carlo Method for simulating the process in 10000 reputations. Then the estimated parameters and the Monte Carlo simulation method are used to forecast TEPIX index, including 739 observations as an in-sample data from 21th of January 2011 to 19th February 2014 and 59 observations from 20th February 2014 to 21th May 2014 as an out of sample data. Furthermore, For more investigation we’ve considered different horizons of forecasting, short-term (equal to 1 week), mid-term (equal to 1 month) and long term (equal to 3 month). The results showed that Tehran stock market data has enough efficiency to forecast them, and showed that the state Space in Form ARIMA model and the Monte Carlo simulation method can be used as a predictive algorithm for TEPIX index and other indices with similar nature.

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Issue Info: 
  • Year: 

    2024
  • Volume: 

    13
  • Issue: 

    4
  • Pages: 

    21-39
Measures: 
  • Citations: 

    0
  • Views: 

    38
  • Downloads: 

    6
Abstract: 

Due to its special natural and geographical conditions, the city of Tonekabon is susceptible to many shocks, including earthquakes and floods, which brings the need to pay attention to urban resilience. The present study was conducted to analyze the state of urban neighborhoods from the perspective of urban resilience components. This research is applied in terms of purpose and descriptive-analytical method. The research's statistical population was comprised of citizens living in Tonekabon city. Using Cochran's formula, the statistical sample size was estimated to be 384 people. The data collection tool was a questionnaire, the validity of which was verified in the form of face and face validity, as well as divergent validity and reliability of the questionnaire using Cronbach's alpha and composite reliability. Analysis of data and information was done using SPSS and PLS software programs. The findings of this research showed that the overall resilience of Tonekabon city is in an unfavorable situation. In such a way, the average experimental value obtained for the overall resilience of the city and its dimensions was lower than the average value of 3. Among the localities of the studied area, Karim Abad neighborhood, in which the overall average obtained was equal to 2.78, was in a better condition than other localities, and Tonekabon neighborhood, according to the average (2.39), was in an unfavorable condition among the studied localities. Among the other research findings, among the components of urban resilience, the physical factor with a path coefficient of 0.490 has the most significant impact and was ranked first, followed by the economic factor with a path coefficient of 0.348. In third place is the administrative, institutional factor with a path coefficient of 0.327 and in fourth place is the social dimension with a path coefficient of 0.264.

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

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Issue Info: 
  • Year: 

    2021
  • Volume: 

    9
  • Issue: 

    2 (34)
  • Pages: 

    46-52
Measures: 
  • Citations: 

    0
  • Views: 

    380
  • Downloads: 

    0
Abstract: 

Due to the increasing development of one, two and three dimensional methods of nuclear magnetic resonance in recent years and the need to develop new research and applications of this device in the country, this article attempts to introduce new applications in this field. The applications of this technique in the fields of medicine and food industry and solid state and recent device developments in this field are briefly introduced.

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Issue Info: 
  • Year: 

    2016
  • Volume: 

    7
  • Issue: 

    26
  • Pages: 

    143-159
Measures: 
  • Citations: 

    0
  • Views: 

    905
  • Downloads: 

    0
Abstract: 

Regarding The Importance Of Forecasting And Its Precision And Accuracy Significance In Various Economic Conditions, This Research Is An Attempt For Denoising Of Stock, By Implementing Of Wavelet Transform (A Branch Of Physic And Specially Signal Analysis) Considering TEPIX Index. Results Indicate That Existence Of Noises Lead To Reduction In Predictive Power Of The Models And Denoising Cause To Improvement In Compatibility Of Dataset With The Models And Finally Improve Predictive Power Of The Models. In This Respect, The ARCH And state Space Models And In-Sample Of 739 Daily Observations, Using The TEPIX Index Data Between Years 1389 – 1392, Are Implemented. The Results Clearly Indicate The Impactful Role Of Haar Wavelet Transform For Denoising TEPIX Dataset. This Method, Strongly, Lead To Increase In The Predictive Power Of The Models And Accuracy Of Estimated Coefficients.

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Issue Info: 
  • Year: 

    2021
  • Volume: 

    9
  • Issue: 

    2 (34)
  • Pages: 

    390-416
Measures: 
  • Citations: 

    0
  • Views: 

    366
  • Downloads: 

    0
Abstract: 

Considering the effect of implementing official Macro-policies, this study analyzes the fair implementation of civil service law in the area of human resources. The data collection was done through note-taking at the qualitative level, and questionnaire at the quantitative level. The content analysis of the data considering the implementation of the civil service law resulted in a model including 3 main dimensions, 8 subcategories of process (employment, teaching and improvement, service compensation), structure (strategy and policy, structure, sources and infrastructures), and background factors (government, law-makers, social, cultural, and economics factors), 29 elements, and 108 indexes after employing the Delphi Fuzzy with 11 experts in the area of civil service law. The findings indicated that the variables of depoliticization of the performance environment, communication and freedom of practice, qualification, the means of implementing policies, infrastructures, comprehensiveness, coherence and quality, budget, financial support, legal employment, improving staff, financial resources, support, supervision, technical organization and executive guarantee are some of the main weaknesses (upper-significance and lower performance).

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

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Issue Info: 
  • Year: 

    2019
  • Volume: 

    10
  • Issue: 

    1
  • Pages: 

    17-37
Measures: 
  • Citations: 

    0
  • Views: 

    585
  • Downloads: 

    125
Abstract: 

In this paper, we introduce the notions of prime state filters, obstinate state filters, and primary state filters in state residuated lattices and study some properties of them. Several characterizations of these state filters are given and the prime state filter theorem is proved. In addition, we investigate the relations between them.

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Author(s): 

Forouzesh F. | Emamipour B.

Issue Info: 
  • Year: 

    2024
  • Volume: 

    5
  • Issue: 

    2
  • Pages: 

    153-167
Measures: 
  • Citations: 

    0
  • Views: 

    6
  • Downloads: 

    0
Abstract: 

In this paper, the notions of prime state ideals and state semi-maximal ideals of state MV -algebras are introduced. We prove prime state ideal theorem and we show that a state MV -algebra A is semi-simple if and only if A has no state infinitesimals. We introduce the concept of state radical of state ideals in a state MV -algebra, we present a characterization of a state radical ideal. We show that the set of state radicals of state ideals in (A, σ) is a Heyting algebra.

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

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