أخبار

العضوية

Organic chemistry

Sal and Jay cover topics covered in college organic chemistry course. Basic understanding of basic high school or college chemistry assumed (although there is some review).

Organic chemistry

To log in and use all the features of Khan Academy, please enable JavaScript in your browser.

Our mission is to provide a free, world-class education to anyone, anywhere.

Khan Academy is a 501(c)(3) nonprofit organization. Donate or volunteer today!

ISO

Representing the four corners of the world with one member per country, ISO is the International Organization for Standardization.

ISO

ISO: a global network of national standards bodies. Our members are the foremost standards organizations in their countries and there is only one member per country. Each member represents ISO in its country. 

Individuals or companies cannot become ISO members, but there are ways that you can take part in standardization work. Please see the list below for information about the ISO member in your country.

There are three member categories. Each enjoys a different level of access and influence over the ISO system. This helps us to be inclusive while also recognizing the different needs and capacity of each national standards body.

Full members (or member bodies) influence ISO standards development and strategy by participating and voting in ISO technical and policy meetings. Full members sell and adopt ISO International Standards nationally. Correspondent members observe the development of ISO standards and strategy by attending ISO technical and policy meetings as observers. Correspondent members that are national entities sell and adopt ISO International Standards nationally. Correspondent members in the territories that are not national entities sell ISO International Standards within their territory.Subscriber members keep up to date on ISO’s work but cannot participate in it. They do not sell or adopt ISO International Standards nationally.

Find out more about ISO membership and benefits in the ISO Membership Manual. And read more about how ISO supports developing countries in international standardization work.

More information for members can be found in the Members’ Portal.

Membership

From aspiring scientists to veteran chemists, ACS is here to support you and enhance your professional development.

Membership

Advance. Connect. Discover. Share. 

During this COVID-19 crisis, we are offering renewing members a one-year waiver on your unpaid national dues if you’ve suffered hardships due to the pandemic. If you have become unemployed, furloughed, have your hours or wages reduced, or are facing illness or family care responsibilities, please contact Member Services at service@acs.org or via phone at 1-800-333-9511 (1-614-447-3776 for members outside the United States).

Are you a student or have a disability? We are here to help.

Learn more about special dues and categories.

From aspiring scientists to veteran chemists, ACS is here to support you and enhance your professional development.

ACS provides career development and education resources through personal consulting, career fairs, jobs database, professional development courses, and mentoring and student programs.

ACS opens doors to collaborate and network with local and global community of like-minded scientists. ACS connects its members through information, education and collaborative thinking to inspire future generations.

Access to cutting-edge, scientific information. Your work, in conjunction with ACS resources, provides the spark of innovation the world is seeking to meet global challenges.

Your membership empowers ACS to help shape public policy, fund education for underprivileged and underrepresented groups, and facilitate meaningful volunteer opportunities.

Perfect for people with a degree, certification, or significant work history in chemical or related sciences, or with certification as a teacher of a chemical science.

For people whose occupation directly concerns the practice of a chemical science, but are ineligible to become Regular Members of ACS. 

$87.50

For full-time graduate students majoring in a chemical science or a related academic discipline.

For those actively working toward an undergraduate degree in chemistry or in a related academic discipline.  $29 without C&EN $65 with C&EN subscription

Join Now Renew

  North America PDF Application   Outside of N. America PDF Application

A student or have a disability? We are here to help. Learn more about special dues and categories.

Youtube ID: zXcw8xI7-y0

Give an ACS membership to anyone with an interest in the chemical sciences who could benefit from all of the unique privileges that ACS members enjoy.

Learn more

Find out how other members are engaging with their ACS community to grow, both personally and professionally.

Check out MyACS

Nominate a student, colleague, or friend for membership in ACS!  And get a Periodic Table of the Elements blanket when they join!

Learn more about the Member-Get-a-Member program

Have a membership related question?

Visit the FAQs section

المرجعي
www.khanacademy.org
www.iso.org
www.acs.org

اترك تعليقاً

لن يتم نشر عنوان بريدك الإلكتروني.

زر الذهاب إلى الأعلى