FORESTRY PRACTICE—EXAMPLES OF, AND PROGRESS IN CONSTRUCTIVE WOODS OPERATIONS

Constructive Engagement in Sales and Operations planning

Progress in Operations Management*

In this issue, Robert Hayes has written provocatively about the implications of the digital economy for Operations Management (OM). Here I examine and illustrate a simple four-stage framework for thinking about these implications: advances in digital technology (stage 1) lead to business developments (stage 2), which impact the views of OM-relevant thought leaders (stage 3), which influence the...

Mathematical Logic : Constructive a N D Non - Constructive Operations

Early in the century, especially in connection with Hubert 's treatment of geometry (1899), it was being said tha t the theorems of an axiomatic theory express truths about whatever systems of objects make the axioms true. In the simplest case, a system S consists of a non-empty set D (the domain), in which there are distinguished certain individuals, and over which there are defined certain %-...

synthesis of sulfides from alcohols and thiols in solvent-freeconditions and deoxygenation of sulfoxides

کاتالیست یک سنتز جدید برای تیواترها توصیف شده است. واکنش الکل ها با آریل، هتروآریل و آلکیل تیو ل ها درحضور 1،3،5- تری آزو- 2،4،6- تری فسفرین-2،2،4،4،6،6 هگزاکلراید ((tapc به عنوان یک کاتالیست موُثر، بازده های خوب تا عالی از تیواترها را حاصل می کند. علاوه براین، واکنش تحت شرایط بدون فلز و بدون حلال پیش می رود، بنابراین یک مکمل جالب برای روش های شناخته شده سنتز تیواترها ارائه می دهد. یک مکانیسم ا...

role of cultural iran in promotion of multilaieralism in central asia and caucasus

cultural iran is a scope that is more extended than the political territories of iran as a political unit. this concept means that cultural geography(mehdi moghanlo-1383-1) of iran is greater than its political geography which, according to history, has a long history extending west-east from kandahar to the euphrates and north-south from the persian gulf to the caucasus including transoxiana a...