Livestock are raised without the routine use of antibiotics(抗生素)or growth hormones. In most countries, organic produce must not be genetically modified. They may also be required to be produced using energy-saving technologies and packaged using recyclable materials when possible.Early consumers ...
Personal definitions of what constituted “organic” were developed through firsthand experience: by talking to farmers, seeing farm conditions, and farming activities.(早期对有机食品感兴趣的消费者会寻找未经化学处理的、新鲜的或加工程度最低的食品。他们大多不得不直接从种植者那里购买。他们的座右铭是“...
There is strong pressure on all industries to reduce the production and disposal of wastes. Since simple disposal of organic by-products such as manure will become increasingly difficult and expensive, we need to find a better practical... MA Champ,CA Bakewell - US 被引量: 166发表: 2004年 ...
Livestock are raised without the routine use of antibiotics(抗生素)or growth hormones. In most countries, organic produce must not be genetically modified. They may also be required to be produced using energy-saving technologies and packaged using recyclable materials when possible.Early consumers ...
1. We know that organic farming is .A. a form of agriculture using all man-made fertilizers B. a kind of farming that protects the environment better C. a way to produce food using fewer chemical fertilizers and pesticides D. a certification programme in the US and the EU to create heal...
M RedmanRedman, M. (1991) The Organic Fact File: A Guide to the Production and Marketing of Organic Produce in the UK , British Organic Farmers, in conjunction with Safeway pic, 86 Colston Street, Bristol BS1 5BB.
PROBLEM TO BE SOLVED: To produce an org. pigment having a clarity higher than and a hue angle different from conventional org. pigments economically without polluting the environment by dissolving a crude org. pigment in an aprotic org. solvent, quickly mixing the soln. with at least one compd...
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Electrochemical fluorination of organic substances in anhydrous HF is carried out at a voltage within the 3-14 V range selected so that the F2 concn. in the off-gas from the electrolysis cell is =0.1 vol. %. Process can be used to produce perfluoroalkanesulphonyl fluorides (I), useful as...
The question of how far a single standard for reasons of ethics should be respected was raised in an Asian country where a multi-national company was required to produce its products according to the Europeansafety standards. Is it unethical behavior when they, due to environmental contamination ...