The Core Competencies for the Practice of Industrial/Occupational Hygiene, 2025 edition, originally published in 2012, provides guidance for those working at the IH technician, …

当OP / IP<OC/IC时，当事人可能要求增加自己的收入或减小自己今后的努力程度，以便使左方增大，趋于相等； 第二种办法是他可能要求组织减少比较对象的收入或者让其今后增大努力程 …

An Occupational Hygienist (OH) – also referred to as an Industrial Hygienist (IH) – is a professional who identifies and prevents unhealthy exposures that may cause workplace …

The certification credential is the highest available technical competency credential for an occupational/industrial hygiene (OH/IH) professional. It is internationally recognised as a …

IH，Industrial Hygiene的缩写，意为职业（工业）卫生，OH就是occupational health 的缩写，是职业健康的意思，training就是培训、教育了。 IH就是Industrial Hygiene（工业危害）的意 …

Gain exposure to industrial hygiene's broad field through sampling and workshop sessions, hands-on (in-person) lab experiences, demo sessions, and problem-solving exercises. This …

Students qualify for the OHTA International Certificate in Occupational Hygiene (ICertOHTA) after the successful completion of 6 Intermediate modules including the 4 core modules. Core …

This program aligns AIHA resources with IH/OH career stages and is a crucial driver of awareness. The materials produced for this program include comic book-type characters who …

op/ip = oh/ih 其中，on表示自己对过去所获报酬的感觉，而ih则表示自己对个人过去投入的感觉。 当上述公式为不等式时，人们往往会感到不公平，这可能导致工作积极性下降。

What's the meaning of those Hs at the end of syllables? Do they make the vowels short or long? In "uh-oh", they seem to do both (it sounds as /oʔoʊ/ to me). Could someone use IPA to …