Value Stream Mapping technique involves flowcharting the steps, activities, material flows, communications, and other process elements that are involved with a process or transformation. In this respect, Value stream mapping helps an organization to identify the non-value-adding elements in a targeted process and brings a product or a group of products that use the same resources through the ma...

This article focuses on how recreational drug users in the Netherlands and in online communities navigate the risks and reduce the harms they associate with psychoactive drug use. To do so, we examined the protective practices they invent, use, and share with their immediate peers and with larger drug experimenting communities online. The labor involved in protective practices and that which ul...

Consider the problem of searching for a complexity-theoretic reduction between two decision problems, P and Q. Such a reduction is a function r satisfying x ∈ P ⇐⇒ r(x) ∈ Q for all structures x for which it makes sense to consider P . It is not difficult to show that determining the existence of reductions is undecidable in general. However, sufficiently restricting the class of reductions and ...

We demonstrate that almost all nonparametric dimensionality reduction methods can be expressed by a simple procedure: regularized loss minimization plus singular value truncation. By distinguishing the role of the loss and regularizer in such a process, we recover a factored perspective that reveals some gaps in the current literature. Beyond identifying a useful new loss for manifold unfolding...

Background: Septimeb as a herbal medicine has regulatory effects on inflammation. This study set to evaluate the effects of Septimeb among patients with sepsis on inflammatory biomarkers and survival rate. Methods: In this randomized clinical trial, 51 patients with sepsis from the ICU and medical ward of Imam Khomeini Hospital were divided into two groups: Septimeb (n=25) and control group ...

allelopathic plants, because of reduction in herbicide uses, are important in weed management. the allelopathic effects of sage salvia officinalis and white wormwood artemisia sieberi water extract were evaluated on germination and seedling growth of redroot pigweed amaranthus retroflexus at concentration of 0, 5, 10, 15, and 20% in controlled conditions. anova revealed that the extract concent...

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There have been many investigations of the oxidation-reduction potential of the cytochrome c system. Some of the results are concordant, though none at the time this work was undertaken included a complete potentiometric titration of the system over a range of pH values. Potentials have been reported for the system at varying pH values, usually within a narrow range bordering on the physiologic...