نتایج جستجو برای: hatching was noticeable.

تعداد نتایج: 3900996  

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه پیام نور - دانشگاه پیام نور استان تهران - دانشکده زیست شناسی 1388

126 abstract: in this research we studied the effects of cyclic hydration and dehydration of cysts of artemia urmiana and artemia parthenogenetica on the hatching percentage, survival and growth. the experiment was carried out in 3 treatments (1-3 hydration/dehydration cycles) with 3 replicates for each treatment. later effects of cold preservation at -20°c during three time periods were ...

Journal: :شیلات 0
حدیث منصوری طایی دانشگاه آزاد اسلامی، واحد خرم آباد، باشگاه پژوهشگران جوان، خرم آباد، ایران حسین اورجی گروه شیلات، دانشکده علوم دامی و شیلات، دانشگاه علوم کشاورزی و منابع طبیعی، ساری حسین رحمانی گروه شیلات، دانشکده علوم دامی و شیلات، دانشگاه علوم کشاورزی و منابع طبیعی، ساری ایرج عفت پناه مرکز تکثیر و پرورش آبزیان دکتر یوسف پور، سیاهکل محبوبه نعمت زاده گروه شیلات، دانشکده علوم دامی و شیلات، دانشگاه علوم کشاورزی و منابع طبیعی، ساری

the aim of the peresent study was to find the optimum weaning time to shift pikeperch larvae feeding from live food to the artificial feed. in this experiment, pikeperch larvae were fed with seived pond zooplankton (mainly rotifers) and artemia nauplii from the first feeding day to day 16 of post-hatching. then three weaning times were used on day 16 (w16), day 22 (w22), and day 28 (w28) of pos...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه سمنان - دانشکده ادبیات و علوم انسانی 1389

?it is of utmost priority for an experienced teacher to train the mind of the students, and enable them to think critically and correctly. the most important question here is that how to develop such a crucial ability? this study examines a new way to the development of critical thinking utilizing critical discourse analytical tools. to attain this goal, two classes of senior english la...

Journal: :The Journal of the Acoustical Society of America 2002
Susan E Boehnke Susan E Hall Torsten Marquardt

This study examines the relation between a static and a dynamic measure of interaural correlation discrimination: (1) the just noticeable difference (JND) in interaural correlation and (2) the minimum detectable duration of a fixed interaural correlation change embedded within a single noise-burst of a given reference correlation. For the first task, JNDs were obtained from reference interaural...

Journal: :Blue Jay 1953

2015
Anisa Mitra Pratap Kumar Mukhopadhyay Sumit Homechaudhuri

The present study was conducted to observe morphological and histological changes in the developing digestive system during the ontogeny of featherback, Chitala chitala (Hamilton), from hatching to 30 days post hatch (dph). Three significant stages were identified during digestive tract development in featherback: (1) endotrophic (0-8 dph), (2) endoexotrophic (8-12 dph), and (3) exotrophic (12-...

Journal: :Cancer 2021

Coronavirus disease 2019 (COVID-19) restrictions on visitation policies have created barriers for cancer caregivers and patients. Awareness of the critical role that play should lead to better integration caregiver into clinical care research after pandemic ends.

2008
E. Larentzaki

Laboratory studies were conducted to evaluate the effects of a kaolin-based particle film on biological characteristics of the onion thrips, Thrips tabaci Lindeman (Thysanoptera: Thripidae), on onions. Oviposition rate was significantly reduced on kaolin-treated vs. water-treated onion leaves and plants, in choice and no-choice assays. Hatch rate was reduced when kaolin particle film was applie...

2012
Tzvi Ganel Erez Freud Eran Chajut Daniel Algom

BACKGROUND Human resolution for object size is typically determined by psychophysical methods that are based on conscious perception. In contrast, grasping of the same objects might be less conscious. It is suggested that grasping is mediated by mechanisms other than those mediating conscious perception. In this study, we compared the visual resolution for object size of the visuomotor and the ...

Journal: :Journal of Mathematical Psychology 1971

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