the course, as classwork or extension tasks, or for revision - Creates opportunities for self-directed learning and assessment with answers to tasks and activities supplied online - Prepares students to meet the demands of the specification by practising exam technique and developing their literacy ...
Produced in partnership with OCR for the 2008 OCR A Level Chemistry A specification, this Revision Guide complements the AS Student Book and provides students with that extra help they need for exam preparation. Written by experienced examiners and teachers, the OCR AS Chemistry A Revision Guide ...
A new resource for the 2008 OCR specification providing supportive features and increased flexibility in teaching OCR A Level Science. The trusted choice for the 2008 OCR Specification. Chemistry 1 clearly explains concepts and is supported by a CD-ROM in the back of the books that provides extra...
地下水水化学背景值backgroundvalueofgroundwaterchemistry 未遭受明显人类活动影响的天然条件下,所形成的地下水中各水化学组分的浓度值或含量范围。 注:反映了天然状态下地下水环境白身演化和发展的内在过程及特征。 4.2.1.2 依据研究区内或水文地质条件相似的周边地区无明显污染源、人类活动影响较小的以往地下水水 质...
6. With a symmetrical beam applicator to adjust the X-ray field and a collimator lamp to locate the filed to ensure accurate radiograph. Specification Item Specification 1. High voltage generator 1.1 standard output power:5.6kW 1.2 mA range:10-100mA...
Our sales team are all graduated from China famous universities majoring in chemistry and with excellent English. We promise to provide a professional and efficient communication to our customers. Fabulous Product! Based on years of experience in chemical industry, we are...
A Level Chemistry A for OCR Year 1 and AS Student Book Written by curriculum and specification experts, this Student Book supports and extends students through the new course whilst delivering the breadth, depth, and skills needed to succeed in the new AS and beyond. R Ritchie,D Gent 被引量...