Multiproduct manufacturing facilities running on a campaign basis are increasingly becoming the norm for biopharmaceuticals, owing to high risks of clinical failure, regulatory pressures and the increasing number of therapeutics in clinical evaluation. The need for such flexible plants and cost-effective manufacture pose significant challenges for planning and scheduling, which are compounded b...

The chemical changes that occur in the various stages of tea manufacture were. until recently, imperfectly known. Research in this direction would help not only in improving the existing methods of manufacture, but also in the solution of any ... fresh problems as they arise. In order to render the present manufacturing practices scientific rather than empirical, a thorough knowledge of the che...

We estimated the price and income elasticity of cigarette demand and the impact of cigarette taxes on cigarette demand and cigarette tax revenue in Malaysia. The data on cigarette consumption, cigarette prices, and public policies between 1990 and 2004 were subjected to a time-series regression analysis applying the error-correction model. The preferred cigarette demand model specification resu...

background: because of the increasing usage of waterpipe globally, we need to know more about the diff erent factors related to waterpipe and cigarette smoking. th erefore, the present study aims at gaining more insight on waterpipe and cigarette smoking based on perceived parental reaction and appeal and repellent of smoking among adolescents. materials and methods: a cross-sectional survey en...

Cigarette butts are consistently the most collected items in litter clean-up efforts, which are a costly burden to local economies. In addition, tobacco waste may be detrimental to our natural environment. The tobacco industry has conducted or funded numerous studies on smokers' littering knowledge and behavior, however, non-industry sponsored research is rare. We sought to examine whether demo...

INTRODUCTION The use of electronic cigarettes (e-cigarettes) among US adults has increased since 2007. The objective of this study was to investigate the prevalence of direct marketing promotion of e-cigarettes and its association with e-cigarette use among US adults. METHODS We used using data from the 2013-2014 National Adult Tobacco Survey (NATS) to estimate prevalence of e-cigarette promo...

INTRODUCTION Although adolescent cigarette use continues to decline in the United States, electronic cigarette (e‑cigarette) use among adolescents has escalated rapidly. This study assessed trends and patterns of e‑cigarette use and concurrent cigarette smoking and the relationships between e-cigarette use and smoking cessation intentions and behaviors among high school students in North Caroli...

abstract  introduction: the use of illicit drugs is increasingly prevalent among young people in many countries. the adverse consequences of drug use by youth includes dependence, overdose, accidents, physical and psychological damage, and premature death. methods: this cross-sectional was conducted on men at least 15 years old in isfahan. data were collected using two questionnaires filled out...

conclusions the prevalence of nicotine use among ferdowsi university students is lower than the prevalence in the general population of iran and the prevalence in other countries. results for cigarette use, 17.6% of respondents reported using cigarettes at least once, 3.7% reported using cigarettes occasionally, and 3.9% reported using cigarettes on a regular basis. for water-pipe use, the corr...