نتایج جستجو برای: maturity duration

تعداد نتایج: 231368  

Journal: :Journal of Agricultural Biotechnology and Sustainable Development 2021

Although tomato is the leading vegetable crop in Kenya, not much work has been done to develop improved varieties with farmer preferred and market demanded traits. This study aims characterize ten genotypes for morphological agronomic traits identify potential parental lines use breeding program. The experiments were conducted Kenya during 2017 long short rain seasons. Trials laid out a randomi...

2009
Svetlana A. Malinovskaya

We propose a new method for creating an optimal coherence in a two-level system (TLS) based on adiabatic following. Optimal coherence is achieved by choosing the time-dependent phase of the pulse that provides vanishing field-TLS detuning dðtÞ at central time when the pulse amplitude reaches maximum. For example, dðtÞ 1⁄4 d0ð1 expððt t0Þ=s0ÞÞ for t 6 t0 and d 1⁄4 0 for t > t0. The pulse envelop...

2015
Neerja Puri

There are various types of lasers available for hair reduction, but the choice of an ideal laser for ethnic skin has its own limitations. The choice of the right laser for the right skin type is very important. Before starting with the laser therapy, it is important to assess the skin type, the fluence, the pulse duration and the type of laser to be used.

2002
Lionel Martellini

This paper addresses the problem of hedging a portfolio of fixed-income cashflows. We first briefly review the traditional duration hedging method, which is heavily used by practitioners. That approach is based on a series of very restrictive and simplistic assumptions, including the assumptions of a small and parallel shift in the yield curve. We know however that large variations can affect t...

2008

The psyllid Diaphorina citri Kuwayama vectors a bacterium, Candidatus Liberibacter asiaticus, in Florida which is responsible for citrus greening disease (huanglongbing), one of the most serious diseases of citrus. Despite the great economic importance of D. citri to citrus production, little is known about the reproductive biology and behavior of this insect. We conducted studies to determine ...

2015
Jean-François David Mathieu Coulis

Growth, development and life-cycle duration of the millipede Ommatoiulussabulosus (f.aimatopodus) were studied in a Mediterranean shrubland of southern France and compared with previous data from northwest Europe. Changes in the proportions of stadia during the course of the year were analysed in several generations. The results show that stadia VII and VIII are consistently reached after the f...

2007
A. L. Castilho E. E. Boschi

Sexual maturity, temporal reproductive pattern, and recruitment of juveniles were examined for the penaeoid shrimp Artemesia longinaris sampled for five and a half years in a tropical locality off the coast of São Paulo (23o S), Brazil. Monthly samples were taken from January 1998 to June 2003 at depths between 5 and 45 m. Ovarian maturity was used to examine breeding in adult females. Recruitm...

2008
Robin Greenwood Dimitri Vayanos

We examine empirically how the supply and maturity structure of government debt affect bond yields and expected returns. We organize our investigation around a term-structure model in which risk-averse arbitrageurs absorb shocks to the demand and supply for bonds of different maturities. These shocks affect the term structure because they alter the price of duration risk. Consistent with the mo...

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