نتایج جستجو برای: plant growth stimulants

تعداد نتایج: 1149962  

Journal: :Proceedings of the National Academy of Sciences 1925

Journal: :Journal of the American Academy of Child and Adolescent Psychiatry 2017
Sean Esteban McCabe Philip Veliz Timothy E Wilens John E Schulenberg

OBJECTIVE To assess the prospective 17-year relationship between the medical and nonmedical use of prescription stimulants during adolescence (age 18 years) and educational attainment and substance use disorder (SUD) symptoms in adulthood (age 35 years). METHOD A survey was self-administered by nationally representative probability samples of US high school seniors from the Monitoring the Fut...

2017
Ferrán Catalá-López Brian Hutton Amparo Núñez-Beltrán Matthew J Page Manuel Ridao Diego Macías Saint-Gerons Miguel A Catalá Rafael Tabarés-Seisdedos David Moher

BACKGROUND Attention deficit hyperactivity disorder (ADHD) is one of the most commonly diagnosed psychiatric disorders in childhood. A wide variety of treatments have been used for the management of ADHD. We aimed to compare the efficacy and safety of pharmacological, psychological and complementary and alternative medicine interventions for the treatment of ADHD in children and adolescents. ...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه رازی - دانشکده علوم 1391

in this work, a novel and fast method for direct analysis of volatile compounds (davc) of medicinal plants has been developed by holding a filament from different parts of a plant in the gc injection port. the extraction and analysis of volatile components of a small amount of plant were carried out in one-step without any sample preparation. after optimization of temperature, extraction time a...

Journal: :Bioresources 2023

This study was conducted to examine the ameliorative effects of foliar application some micro-algal (Chlorella vulgaris and Spirulina platensis) medicinal plant leaves (Salix alba, Psidium guajava, Olea europaea) extracts on Phaseolus (Bean) under salinity stress. On a loamy soil, pots trial carried out bean plants grown Growth characteristics, pigments, osmolytes, total phenol, antioxidant enz...

Journal: :CMAJ : Canadian Medical Association journal = journal de l'Association medicale canadienne 2001
C Poulin

BACKGROUND The past decade has seen a generalized upward trend in the prevalence of adolescent use of substances, including stimulants. The purpose of this article was to determine the prevalence of and risk factors for the medical and nonmedical use of stimulants, and the diversion of prescribed stimulants among adolescent students, and to demonstrate links between medical use, nonmedical use ...

Journal: :Zeitschrift fur Naturforschung. C, Journal of biosciences 2010
Jing Li Ryu Wakui Masanori Horie Yoshichika Nishimura Yoshihide Nishiyama Yasunori Ikeno Shin-ichi Tebayashi Chul-Sa Kim

The acceptance of camphor tree (Cinnamomum camphora) as a host plant for the larvae of common bluebottle (Graphium sarpedon nipponum) was explained by the presence of feeding stimulants in the leaves. When the active methanol extract of C. camphora leaves was separated into hexane and water layers, both layers showed high feeding activities for the larvae of G. sarpedon nipponum. Bioassay-guide...

نمودار تعداد نتایج جستجو در هر سال

با کلیک روی نمودار نتایج را به سال انتشار فیلتر کنید