To reduce subjective factor in geostatistical modeling,non-parametrical geostatistics has become popular.This paper presents four kinds of variogram model for non-parametrical geostatistics.
The importance and conception of claim, the classification of noncontrollable factors in engineering construction and the claims caused by those factors are introduced.
There are some toxic substances and antinutritional factors in flaxseed, such as antivitamin B6 factors and cyanogenetic glycoside, Which limit the application of flaxseed.
The results suggest that the substances in the membrane-coated, electron-lucent granules in eosinophilic cells may be the key factor in the envenomation by Stingrays.
Fleshcolor chemistry and fleshcolor transformation mechanism were described in this article ,the key factors of chemistry and biology effect in fleshcolor stability were summarized.
Military test equipment is importance part of air-weapon system,it can finish periodical maintenance and prebattle training,it is also key factor in exerting ability of air-weapon.
The ash matter of coal is one of main effect factors in various coal researches.In this paper, five methods of acid washing to deash coal were studied.