learning a second or foreign language requires the manipulation of four main skills, namely, listening, reading, speaking, and writing which lead to effective communication. it is obvious that vocabulary is an indispensible part of any communication, so without a vocabulary, no meaningful communication can take place and meaningful communication relies heavily on vocabulary. one fundamental fac...

abstract: since sugar consumption is directly related to diabetes and other illnesses such as obesity, the issue that will most heavily dominate the health food market is blood sugar management and low glycemic foods. using calcium chloride and gums such as sodium alginate and low ester pectin as thikener and a high-potency sweetener aspartame we were able to reduce sugar content of sour cherry...

this study investigates the strategies native english and persian speakers employ for expressing gratitude in different situations. the strategies of persian efl learners are also compared with english strategies in order to find the differences that may exist between these two languages. social status and size of imposition of the favor are social variables which are investigated in detail for...

Background: Settlement of disputes arising from foreign investment may be possible if the governing law is clear. Irrespective of international treaties, since the legal relationship between the investor and the investee is often included in investment contracts, the law governing such contracts is determined. But there are cases where the ruling law has not been determined. In this case, three...

  The principle of the incumbency of preventing contingent damage is one of the principles of jurisprudence according to which a man should avoid an act that he feel it may cause damage. But if he refuses to do so and consequently face a damage then he may be blamed.   Therefore it is said that it is obligatory to prevent any contingent damage. The present article is an attempt to explore this ...

abstract this study investigates the teachers’ correction of students’ spoken errors of linguistic forms in efl classes, aiming at (a) examining the relationship between the learners’ proficiency level and the provision of corrective feedback types, (b) exploring the extent to which teachers’ use of different corrective feedback types is related to the immediate types of context in which err...

in this thesis, a new optically active poly(amide-imide) (pai) was synthesized by the indirect polycondensation reaction of the l-phenylalanine based diacid chloride and 4,4?-diaminodiphenylether in the presence of triethylamine in n-methyl-2-pyrrolidone. the formation of pai was confirmed by ftir, 1h nmr and elemental analysis. in next step, the surface of titanium dioxide (tio2) nanoparticles...

The general moral principles express universal values from which other values are derived. Many disagreements as to ethical theories have their roots in the kind of explanation given for these principles. There are six general moral principles (perfection, freedom, do-not-harm, public interests, desert, and justice) interconnected in such a way that none of them can be justified without explain...