The food additive sorbic acid is considered as an effective preservative for certain cereal products, and propionic commonly added in bakery wares, e.g., bread fine wares. aim of this study was to develop validate a new nuclear magnetic resonance spectroscopy (1H NMR) method the routine screening quantification acids several products quality control purposes. Results showed that none screened s...

production planning is performed through diverse methods according to the type of the system it is structured upon. one of the most important steps before production planning is to determine which system best fits the firm, and how the facilities should be designed. both job-shop and group-technology systems have their own pros and cons, each of which is suitable to a specific kind of factory. ...

in this study the hardness swct was calculated with b3lyp,hf method and 3-21g,6-31g,6-311g basis set .then it was investigated with the best method(b3lyp) and basis set(6-31g) to study the adsorption effects co2 on the hardness of swcnt with gap homo-lumo in two shape: horizontal, vertical and top-center-bridge and we also provide the effects of co2 adsorption on the electronic properties(dos) ...

the aim of digital subtraction of radiographic images is eliminating the additional shades to increase the resolution and quality of the images. in dentistry, digital subtraction technique can be used for diagnosis of progressive periodontal diseases or evaluation of the amount of jaw bone repair or destruction. in this study, the possibility of digital subtraction with non-expensive techniques...

The earliest foundry site of Pre-Roman Padua, in the Veneto region (north-eastern Italy), provided evidence craft activities and residential areas dated between end 9th 1st centuries BCE. Common fine wares were found, most them belonging to two main ceramic classes: (i) highly dark-colored bodies with silicate inclusions; (ii) carbonate-tempered pots. Macroscopic petrographic (POM) descriptions...

Production planning is performed through diverse methods according to the type of the system it is structured upon. One of the most important steps before production planning is to determine which system best fits the firm, and how the facilities should be designed. Both job-shop and group-technology systems have their own pros and cons, each of which is suitable to a specific kind of factory. ...

back ground and purpose: air pollution in cities thorough the world, is a complex mixture of poisonous compounds which are always combustion products particulate matters (pm) are instant member of this mixture. despite wide spectrum health effects of pm, effects on death seem to be the most important one. the main purpose of this study was to estimate number of cardio pulmonary death in adults ...

Pottery art in Iran reached its apex during the Seljuk and Kharazmshahi eras. In these two periods, artists produced high-quality wares,with Minai decorations which were considered as masterpieces of Islamic art from an aesthetical point of view. These wares were decorated with motifs existing in manuscripts illustrated by artists from Baghdad and Seljuk miniature painting schools portraying ep...