نتایج جستجو برای: length weight relation

تعداد نتایج: 909556  

Journal: :medical journal of islamic republic of iran 0
smt ayatollahi from the department of biostatistics and epidemiology, school m rafiee

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Journal: :پژوهش های کاربردی زراعی (زراعت سابق) 0
فاطمه منصورقناعی فارق التحصیل کارشناسی ارشد اصلاح نباتات دانشگاه گیلان حبیب اله سمیع زاده لاهیجی دانشیار دانشکده علوم کشاورزی دانشگاه گیلان بابک ربیعی استاد دانشکده علوم کشاورزی دانشگاه گیلان مرداویج شعاعی دیلمی کارشناس موسسه تحقیقات توتون گیلان

this research which aims to survey the relation between tobacco leaf yield and its components is done by using 118 varieties of tobacco in a research farm of guilan tobacco research institute. regarding to five random selections of plants, twenty three traits of each variety were evaluated. correlation between dry matter of leaf yield with plant height, stem diameter, leaf length, leaf width, l...

To assessment effect of concentration and times of disinfection wheat seeds, infected by Aspergillus fungus a research was conducted based on Factorial experiment according randomized complete block design with four replications. The factors included four levels of sodium hypochlorite (2, 4, 6, and 8%) and four times of seed disinfection (2, 5, 7, and 10 minutes). Result of analysis of variance...

This research was conducted to assessment effect of different concentrations of sodium hypochlorite along several times on quantitative parameters of wheat seeds affected by Aspergillus flavus fungus via factorial experiment according randomized complete block design with four replications. The treatments consisted four concentrations of sodium hypochlorite or NaClO (C1= 2%, C2= 4%, C3= 6%, and...

Journal: :international journal of aquatic biology 0
iraj hashemzadeh department of fisheries and environmental sciences, faculty of natural resources and earth sciences, shahr-e-kord university, shahr-e-kord, iran. seyedeh narjes tabatabaei fisheries department, natural resources faculty, university of tehran, karaj, iran. aghil mansouri department of fisheries and environmental sciences, faculty of natural resources and earth sciences, shahr-e-kord university, shahr-e-kord, iran. asghar abdoli department of biodiversity and ecosystem management, environmental research institute, university of shahid beheshty, tehran, iran. mahdi ghalenoei department of biodiversity and ecosystem management, environmental research institute, university of shahid beheshty, tehran, iran. kiavash golzarianpour faculty of sciences, gonbad kavous university, gonbad, iran.

garra rufa , a bottom dwelling freshwater fish and native to the middle east, is distributed in the southwestern of iran and the tigris basin. considering the importance of length-weight relationships data of a species in different habitats, the length-weight relationship of g. rufa from 13 rivers in the persian gulf and the tigris basins was explored. the value of exponent b ranged from 2.74 t...

Journal: :medical journal of islamic republic of iran 0
h eftekhar from the school of public health and institute of public health research, tehran university of medical sciences, tehran, islamic republic of iran. f azordegan

730 low birth weight (lbw) neonates and 1460 controls were selected from 13,123 neonates born from october 1988 to june 1989 in 17 hospitals and maternity units in tehran, and were compared for mortality in the first seven and up to 28 days of life (early neonatal period). in this study all low birth weight newborns are divided according to four sub-groups of birth weight, and the mortality wit...

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