Photosynthesis is an essential part of the plant function and metabolism and a number of herbicides inhibit certain photosynthetic activities. The aim of this study was to evaluate the effect of some herbicides including Topik, Titos, Equip, Mister, Lumax, Bromicide and Oltima on the photosynthetic efficiency of three corn cultivars (CC-260, 400, 704) in response to salicylic acid (SA) treatmen...

abstract in recent years, many researchers have attempted to estimate the soil hydraulic functions (e.g. soil moisture characteristics curve, and hydraulic conductivity function) using particle-size distribution (psd) curve. in these studies, an accurate mathematical representation of psd is required for fitting the observed data. so far, some mathematical models were developed with different l...

The Starling relationship in the normal human ventricle may be different than usually portrayed. In normal, resting, supine man the ventricular function curve is at its peak at a left ventricular end-diastolic pressure of approximately 10 mm Hg. Below this point is a strong direct relation between filling pressure and stroke work, while at higher filling pressures, a plateau occurs. Limitation ...

Norm-referenced testing is integral to the practice of psychological and educational testing. Originated in the work of modern statistics, this assessment method assumes that human traits and characteristics, such as intelligence, academic achievement, and behavior, are distributed along a normal probability or bell-shaped curve (hereafter, referred to as the normal curve). The normal curve rep...

We present a new sequential normal basis multiplier over GF (2). The gate complexity of our multiplier is significantly reduced from that of Agnew et al. and is comparable to that of Reyhani-Masoleh and Hasan, which is the lowest complexity normal basis multiplier of the same kinds. On the other hand, the critical path delay of our multiplier is same to that of Agnew et al. Therefore it is supp...

Fast algorithms for multiplication in finite fields are required for several cryptographic applications, in particular for implementing elliptic curve operations over the NIST recommended binary fields. In this paper we present new software algorithms for efficient multiplication over the binary field F2m that use a Gaussian normal basis representation. Two approaches are presented, direct norm...

The distribution of the apparent total energy emitted by a gamma-ray burst reflects not only the distribution of the energy actually released by the burst engine, but also the distribution of beaming angles. Using the observed energy fluences, the detection thresholds and burst redshifts for three burst samples, I calculate the best-fit parameters for lognormal and power-law distributions of th...