The world's most comprehensive reference for forensic toxicologists is keeping pace with recent developments in clinical toxicology in its new release: Another 800 new spectra have been added to this gold standard, including novel designer drugs and a broad range of AIDS therapeutics, for a total of 8,650 clinically relevant substances, including 5,200 metabolites. The print edition contains a comprehensive listing of all compounds in order of molecular mass, showing a reference mass spectrum as well as structural formula, exact masse, GC retention times and numerous other experimental data that are relevant to the analytical toxicologist. To aid in compound identification, all substances are classified according to their toxicological categories.
Give your children a head start at primary school with these essential flash cards.These fun and engaging Times Tables Flash Cards will give children a head start as they get to grips with learning their times tables at school. Designed to complement the National Curriculum, and covering times tables from 1 to 12, these flash cards are perfect for learning and practising times tables together.Educationally sound flash cards, brilliantly illustrated with funny pictures that children will love. The first steps to school success! Also available: First Phonics Flash Cards, First Phonics, First Writing, First Day, First Numbers
This is a directory of varieties and how to cultivate them successfully. It is an illustrated gardener's guide to the different varieties of bulb vegetables, their history and cooking uses. It features step-by-step instructions for preparing the soil, sowing from seed and from sets, and harvesting and storing. It includes practical advice on cultivating a wide range of bulbs, including onions, shallots, garlic, spring onions and scallions, leeks, chives and Florence fennel. It contains helpful hints on how to avoid pests and diseases, and what to do when problems occur. Bulb vegetables have leaves that are adapted to store food reserves below or just above the ground, creating fleshy leaf bulbs. This book describes and illustrates all the main types, and includes useful information about the different varieties that can be grown and their cooking uses. There is practical advice for preparing the soil for new crops, making compost and growing bulb vegetables both from seed and from sets, as well as guidance on growing and caring for vegetables and how to harvest and store them. There are also suggestions for dealing with any pests and diseases. This handy book is suitable for novices and experienced gardeners alike.