| 单词 | Hevea |
| 例句 | Aztecs tapped the sap of Hevea brasiliensis much as American Indians bled sugar maples for their sweet syrup. A new rubber source could save water, preserve rain forests and even prevent allergic reactions 2019-06-11T04:00:00Z The market is currently dominated by rubber sourced from Hevea brasiliensis trees in Southeast Asia, and it’s hard for guayule in the U.S. to compete with those large operations, which have lower labor costs. This Shrub Could Supply Rubber, Insect Repellent and Glue 2022-10-14T04:00:00Z Roughly 90% of the world’s rubber comes from Hevea brasiliensis in Southeast Asia. Indy 500 waves green flag on sustainability with lofty goals 2022-05-28T04:00:00Z Milky white latex from rows of Hevea brasiliensis trees drips into red buckets. Firestone tires built Liberia’s economy. Now, painful layoffs are sowing fear for the future. 2020-01-01T05:00:00Z Europe's colonial powers set about clearing vast areas of Asia to plant Hevea brasiliensis - more widely known as the "rubber tree". The horrific consequences of rubber's toxic past 2019-07-23T04:00:00Z Brazil was home to Hevea brasiliensis, the coveted rubber tree, and the Amazon Basin had boomed from 1879 to 1912 as industries in North America and Europe fed the demand for rubber. Deep in Brazil’s Amazon, Exploring the Ruins of Ford’s Fantasyland 2017-02-20T05:00:00Z Fungal infestations of monocultured Hevea trees have caused steep drops in global natural rubber supplies in recent years. This Shrub Could Supply Rubber, Insect Repellent and Glue 2022-10-14T04:00:00Z Germany and the Soviet Union all looked for alternatives to Hevea to use in everything from tires to gas masks. Alternative Source of Tire Rubber Gains Traction 2014-10-06T04:00:00Z In this connection it is perhaps well to state that in Java robusta coffee is very frequently planted as a “catch crop” in the Hevea rubber plantations. The Philippine Agricultural Review Vol. VIII, First Quarter, 1915 No. 1 2011-04-13T02:00:12.527Z But for some uses, you still can't beat a bit of Hevea brasiliensis. The horrific consequences of rubber's toxic past 2019-07-23T04:00:00Z The behaviour of Hevea latex, under certain conditions, may be taken to be analogous. The Preparation of Plantation Rubber 2011-03-09T03:00:40.870Z It’s also hypoallergenic, unlike latex derived from Hevea trees. This Shrub Could Supply Rubber, Insect Repellent and Glue 2022-10-14T04:00:00Z In addition, its greater genetic diversity affords better protection against diseases, none of which are transmitted as easily as the leaf blight that attacks Hevea. Alternative Source of Tire Rubber Gains Traction 2014-10-06T04:00:00Z In Hevea, Manihot and others the latex yields caoutchouc. Encyclopaedia Britannica, 11th Edition, Volume 9, Slice 8 "Ethiopia" to "Evangelical Association" 2011-03-05T03:00:24.537Z Hevea brasiliensis.—A tree of tropical America growing in damp forests, especially in the Amazon valley, which, together with other trees called siphonia furnish the Para rubber, or American caoutchouc. Catalogue of Economic Plants in the Collection of the U. S. Department of Agriculture Broadly there are only two methods employed in obtaining the latex from Hevea Brasiliensis. The Preparation of Plantation Rubber 2011-03-09T03:00:40.870Z Finally, the Hevea, the very tree the Frenchman wrote about, proved to be the best, and, although by no means the only rubber tree of commercial value, it is acknowledged the greatest of rubber trees. The Romance of Rubber The Hevea tree grows sixty feet tall, and when full grown is eight or ten feet around. The Romance of Rubber This is Nature's clever scheme to spread the Hevea family. The Romance of Rubber About a third of the way up the Amazon River he placed in her hold several thousand carefully packed seeds of the Hevea Braziliensis, or rubber tree. The Romance of Rubber The argument has been used that, since the habitat of Hevea Brasiliensis is in the jungle, we should be proceeding against nature by introducing conditions unlike those under which the “wild” rubber tree grows. The Preparation of Plantation Rubber 2011-03-09T03:00:40.870Z |
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