查询词典 biomass

The results showed that soil copper contamination did not significantly affect the leaf growth of Bermuda grass and its influence on root biomass and leaf chlorophyll content in Bermuda grass were also less than that in zoysiagrass.

结果表明：铜污染处理对狗牙根草坪的地上部分叶片生长量的影响不显著，对根系生长量和叶绿素含量的影响也明显小于结缕草；铜污染处理未引起冷季型草坪的叶绿素含量的下降，对高羊茅草坪的密度影响不显著，对叶片生长量的影响也明显小于草地早熟禾和多年生黑麦草，而草地早熟禾虽然叶片生长受到了严重的抑制，但根系生长未受到显著影响，也表现出了对土壤铜污染的一定的耐性。

Its biomass of leaves and stems is used to feed cattle.

玉米的叶子和茎里面的生物细胞可以用来喂养牲畜。

Its biomass of leaves and stems is used to feed cattle.

玉米的茎和叶子普通用来喂养牛只。

The mycorrhizal formation,inoculation effectiveness,extraradical fungal biomass and P uptake contribution of six arbuscular mycorrhizal isolates screened from South China,Center China and North China on typical cinnamon soil,brown soil and red soil collected in above three regions were investigated using three-compartment glass-bead culture system associated with maize.

以分离于华北、华中和华南3个生态区及法国引进的丛枝菌根真菌为试验菌株，采用三室根箱培养的方法，研究了它们在华北、华中和华南3种典型土壤—褐土、棕壤和红壤上的菌根形成、接种效应、磷吸收贡献和根外菌物量情况。

Clipping led to increased aboveground biomass and over-compensation in the absence of fertilization, but the degree of compensation depended on intensity, frequency and time of clipping.

不施肥，刈割可促进冷地早熟禾地上生物量的增加并发生超补偿，但补偿程度因刈割强度、刈割频度和刈割时间而异；施肥时，刈割没有或很少促进植株发生超补偿。

He mainly engages in clean coal technology, cleaner burning garbage and burning garbage energy usage technology, use of biomass energy technology research.

主要从事洁净煤技术、垃圾洁净燃烧技术及垃圾能利用、生物质能利用技术研究。

Daxu has great development of biomass solid fuels molding equipment, this machine can suppress the sawdust, such as harmful grass, crop stalks, and other agricultural and forestry waste into bio-coal, an ideal firewood and coal substitute.

大蓄研制的生物质固体燃料成型设备，能将紫荆泽兰等害草、农作物秸秆、锯末等农林废弃物压制成生物煤，替代煤炭和薪柴，变废为宝，一举多得。

Comparing with traditional cultivation system (two seasons planting cucumber with fallowing in summer), planting leafy vegetable anti garlic in summer increased the yields of the two crops anti the soil microbial biomass carbon content, total microbial population, and sucrase activity, decreased the amounts of soil nematode and root-knot nematode, and maintained a relative high Shannon-Weaver index. Planting crown daisy, garlic, and spinach in summer increased soil sucrase activity by 8.9%, 89.5%, and 36.9%, and the planting of crown daisy and garlic also increased the Shannon-Weaver index by 7.7% and 9.4%, respectively.

结果表明：夏茬休闲期种植速生叶菜和青蒜增加了土壤微生物量碳含量、微生物总量和蔗糖酶活性，维持了较高的Shannon-Weaver指数，减少了线虫和根结线虫的数量，增加了各茬作物产量，夏茬种植茼蒿、菠菜、青蒜后土壤蔗糖酶活性分别增加了8.9%、36.9%和89.5%，夏茬种植茼蒿和青蒜后Shannon-Weaver指数分别提高了7.7%和9.4%。

Crown biomass and density was power function.

密度对树高有影响但不显著。

Vertical and horizontal distribution of the fuel was calculated from sample plots and tree biomass model, including fuel loading, thickness and height. Based on fuel distribution and wind simulation, fire spread rate, fire intensity, and flame height of surface fire and crown fire were calculated.

根据2000-2006年当地气象数据，确定历史平均最大风速的平均值和主风向，在此背景下对风场进行模拟，进而对地表火和树冠火进行模拟计算，计算出不同类型火发生时火蔓延速度、火强度和火焰高度的分布图。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。