o*********e
发帖数: 9 | 1 Is there anyone who knows where to find the standard DIN 45631, which is for
calculating loudness of sounds?
Thanks. |
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o*********e
发帖数: 9 | 2 Is there anyone who knows where to find the standard DIN 45631, which is for
calculating loudness of sounds?
Thanks. |
|
H********g
发帖数: 43926 | 3 在美国organic的定义本身包括“非GMO”，organic农户是完全不能生产GMO产品的或者
使用GMO原料的，并且要采取措施预防产品被GMO污染。实际操作中，产品里极微量的
GMO成分是可以有的，但是会被调查，然后要求整改。
http://blogs.usda.gov/2013/05/17/organic-101-can-gmos-be-used-i
The use of genetic engineering, or genetically modified organisms (GMOs), is
prohibited in organic products. This means an organic farmer can’t plant
GMO seeds, an organic cow can’t eat GMO alfalfa or corn, and an organic
soup producer can’t use any GMO ingredients. To meet the USDA organic
regulations, farmers and pro... 阅读全帖 |
|
H********g
发帖数: 43926 | 4 在美国organic的定义本身包括“非GMO”，organic农户是完全不能生产GMO产品的或者
使用GMO原料的，并且要采取措施预防产品被GMO污染。实际操作中，产品里极微量的
GMO成分是可以有的，但是会被调查，然后要求整改。
http://blogs.usda.gov/2013/05/17/organic-101-can-gmos-be-used-i
The use of genetic engineering, or genetically modified organisms (GMOs), is
prohibited in organic products. This means an organic farmer can’t plant
GMO seeds, an organic cow can’t eat GMO alfalfa or corn, and an organic
soup producer can’t use any GMO ingredients. To meet the USDA organic
regulations, farmers and pro... 阅读全帖 |
|
g*****9
发帖数: 1394 | 5
The First 10,000 Primes
(the 10,000th is 104,729)
For more information on primes see http://primes.utm.edu/
2 3 5 7 11 13 17 19 23 29
31 37 41 43 47 53 59 61 67 71
73 79 83 89 97 101 103 107 109 113
127 131 137 139 149 151 157 163 167 173
179 181 191 193 197 199 211 223 227 229
... 阅读全帖 |
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