自然橡胶：从植物（尤其是巴西橡胶树）中提取的橡胶或橡胶乳液，与合成橡胶相区别。
an elastic material obtained from the latex sap of trees (especially trees of the genera Hevea and Ficus) that can be vulcanized and finished into a variety of products
同义词： rubber / India rubber / gum elastic / caoutchouc
天然橡胶-引用次数：97
Effective industrial chain is benefit to increase Hainan natural rubber’value and improve the natural rubber industry’s overall competitiveness.
有效的天然橡胶产业链管理有利于增加海南天然橡胶的附加值,提高海南天然橡胶产业的整体竞争力。
参考来源海南天然橡胶产业链发展研究
天然橡胶-引用次数：44
The effects of the contents of sulphur and accelerator and the mass ratio of natural rubber(NR)to cis-1,4-polybutadiene rubber(BR)on the curing characteristics and the mechanical properties of the base rubber of V-belt were studied.
研究了硫磺和促进剂的量、天然橡胶(NR)和顺丁橡胶(BR)的质量比对三角带底胶试验胶的硫化特性和力学性能的影响。
参考来源木质素
自然橡胶
天然橡胶
nr 天然（橡）胶
天然橡胶
... multiple bond 重键（不饱和化合物中双键和三键的总称） natural rubber 天然橡胶 nickel catalyst 镍催化剂 ...
[橡胶]天然橡胶
The natural rubber has been gathered from the sap of plants for centuries.
天然橡胶是几个世纪以来从植物汁液中收集来的。
Natural rubber has problems, though.
然而，天然橡胶也有缺点。
Synthetic rubber has substituted natural rubber in many fields.
合成橡胶在许多领域取代了天然橡胶。
Natural rubber has anchored the Liberian economy for more than 75 years.
VOA : standard.2009.09.13
The huge Firestone plantation east of the capital,Monrovia, remains the world's largest single natural rubber operation and was one of the first businesses to reopen after Liberia's long civil war.
VOA : standard.2009.09.13
He says synthetic rubber cannot be used, as there is a strong tradition of using natural rubber.
Because natural rubber is now scarce in Mexico, and the process of making a ball takes about 30 hours, the supply of balls is constraining the spread of the game.
The other amazing thing about this verdant and unique patch of India, rich in pepper, natural rubber, coconut, tea, coffee, cashews, and spices, is its bucolic backwater network of lagoons and canals.
FORBES: KERALA: Cruising The Waterways of India's Malabar Coast