反YIN英

Saturday, May 30, 2020

Scrum master practice quiz freely online

http://www.scrumtrainingseries.com/ (scrum video lectures)
https://quizlet.com/subject/PSM/ (flash cards of scrum)
https://www.techagilist.com/practice-exams/csm-practice-test/csm-practice-exam-real-mode-questions/ (6 sets of quiz of 50 questions in one hour time from total of 700 questions)
https://knowledge21.com/csm-mock-exam/ (20 questions in 20 minutes)
https://internet80.com/psm-i-exam-simulator-1/ (80 questions)
https://www.simplilearn.com/csm-exam-questions-free-practice-test (50 questions/hour each time and can be attempted to practice multiple times)
https://www.test-questions.com/csm-exam-questions-01.php (10 questions/quiz at a time and has 48 sets to practice)
https://mlapshin.com/index.php/scrum-quizzes/ (learning mode quiz -without time limit exam and real mode quiz-with time limit of 1 hour for practice)
https://mlapshin.com/index.php/scrum-quizzes/sm-learning-mode/ (87 questions)
https://mlapshin.com/index.php/scrum-quizzes/po-learning-mode/ (80 questions)
https://mlapshin.com/index.php/scrum-quizzes/scaled-scrum-quiz/ (30 questions)
https://mlapshin.com/index.php/scrum-quizzes/sm-real-mode/ (80 questions in 60 minutes)
https://mlapshin.com/index.php/scrum-quizzes/po-real-mode/ (80 questions/hr)
74 Scrum questions for practice - https://mlapshin.com/index.php/scrum-quizzes/ 

Thursday, May 21, 2020

thickeners binders and cleaners used in sanitizer and detergent formulations

FIVE REASONS TO AVOID ALCOHOL-BASED HAND SANITIZER DURING OUTDOORS ACTIVITIES
https://www.chempoint.com/insights/thickening-binding-cleaners-and-hand-sanitizers
WHAT IS METHOCEL??

METHOCEL? is a group of water-soluble/solvent soluble, cellulose ether polymers commonly known as thickeners, binders and rheology modifiers.?Methocel? grades are?based on Methylcellulose (MC), which is only water soluble and Hydroxypropyl Methylcellulose (HPMC), which is also water/solvent soluble. They are derived from natural cellulose sources. METHOCEL? offers a comprehensive range of functionalities and properties that provides custom solutions to household and industrial applications. Specifically Methocel 311 grade has a unique property to thicken Isopropyl alcohol and Ethanol based hand sanitizers.

WHAT IS CELLOSIZE??

Hydroxyethyl Cellulose (HEC) is a non-ionic, water-soluble polymers can thicken, suspend, bind, emulsify, form films, stabilize, disperse, retain water and provide protective colloid action. They are readily soluble in water and can be used to prepare solutions with a wide range of viscosities. They have outstanding tolerance for dissolved electrolytes. 

WHAT IS POLYOX??

POLYOX? Water Soluble Resins are widely used in cleaners and detergents to enhance stability and appearance over time. They serve as thickeners, binders, stabilizers, and protective colloids. It is vitally important that the end user of these cleaners and degreasers have the same visual and tactile experience every time they use the product so that their perception of the product’s performance is maintained.

WHAT IS GLYCOLIC ACID?

The smallest of alpha-hydroxy acids can be used in a wide variety of cleaning and industrial applications. It is biodegradable, provides excellent anti-microbial efficacy and offers low corrosivity and excellent metal chelating properties.

Wednesday, December 27, 2017

scientific articles to download


101 databases to download full text of scientific articles for free
Geneva foundation for medical -scientific research articles to download
Springer open access journal on Forest Ecosystems

Library Genesis
new weblink for scientific articles to download
books and articles to download 
Open access library for full text of scientific articles to download
Free scientific papers to download
International journal of Yoga and Allied Sciences
Scientific American Journal
PUBMED - US national Library of medicine for scientific articles
Nepal Agricultural Research Council for scientific papers to download
facebook webpage for articles to download

list of weblinks for scientific articles to download
http://rutracker.org./forum/index.php
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