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At 9,555 years old, it smashes the record set in 2002 by The Old Man, an ancient bristlecone pine in the white mountains of California.

吉尼斯世界纪录显示,此前世界上活着的最古老树木已经生长了4768年,是一棵名为&梅休塞拉&狐尾松,它生长在美国加州怀特芒廷地区。

Small slow-growing pine of western United States similar to the bristlecone pine; chocolate brown bark in plates and short needles in bunches of 5; crown conic but becoming rough and twisted; oldest plant in the world growing to 5000 years in cold semi-desert mountain tops.

美西部小型松树,类似狐尾松,生长缓慢;巧克力色鳞状树皮,五针一束短叶;圆锥树冠但坚硬和扭曲;五千年前已存在于半沙漠的山顶地区。

And all the submerged macrophytes absorbed total phosphorous in water effectively and the removal rate of Ceratophyllum demersum with 9175%,9244% in the Spring and Summer experiment respectively,was the best.

采用人工模拟方法,选取武汉市东湖的春季优势种金鱼藻、伊乐藻和菹草,夏季优势种类金鱼藻、狐尾藻和苦草,在春夏两个季节分别对东湖重度富营养化水体磷的去除效果进行了比较研究。

The effects of different nutritional condition on the growth and antioxidant enzyme activity of submerged macrophytes Myriophyllum spicatum L, Hydrilla verticillata L and Ceratophyllum demersum L. were investigated in this study.

模拟研究了沉水植物狐尾藻Myriophyllum spicatum L、轮叶黑藻Hydrilla verticillata L和金鱼藻Ceratophyllum demersum L在中、富两种营养水平下的生长及生理特性。

The contents of protein and chlorophyll of Hydrilla verticillata. L is lower, but those of Myriophyllum spicatum L and Ceratophyllum demersum L raised steadily in the same condition, which indicated that those two submerged macrophytes have the stronger tolerance for nutrition than Hydrilla verticillata L.

通过对3种沉水植物可溶性蛋白和叶绿素质量分数的分析发现,黑藻在中富两种营养水平下,质量分数较低且波动平稳,金鱼藻和狐尾藻可溶性蛋白和叶绿素质量分数持续升高,表明这两种沉水植物对水体中营养盐的耐受能力较黑藻强。

(1) In the sorption kinetics experiment, Cu2+ sorptions by Ceratophyllum demersum, Myriophyllum triphyllum and Hydrilla verticillata respectively, all reached balance within 35mins, all of the test results of sorption kinetics recommended the pseudo second-order equation and indicated that this kind of sorption was a complicated process of simultaneous actions of many reactions. The test results of thermodynamic sorption fitted with Langmuir model better than Freundlich model, and the maximum sorption quantites were 13.12, 20.12, 7.79mg/g, respectively,In the desorption test, the desorption rates of each plants were all below 1%, indicating strong sorption-holding action of these submersed mcrophytes on Cu2+.

通过上述研究,得到以下结论: 1、狐尾藻、金鱼藻、黑藻在对铜离子的吸附动力学实验中,均在35min内达到吸附平衡,分别用一级动力学方程和伪二级动力学方程拟合,结果均为用伪二级动力学方程拟合效果较好,表明该吸附为多种反应同时作用的复杂过程;在热力学实验中,三种植物的吸附曲线都能较好的用Langmuir曲线拟合,其拟合最大吸附量分别为13.12、20.12、7.79 mg/g;在解吸实验中,三种植物的解吸率都较低,说明对铜离子都有较好的吸持能力。

In this paper, we studied the effect of Hg(superscript 2+), Cd(superscript 2+) and their combined pollution on Myriophyllum verticillatum Linn.

研究了Hg(上标 2+)、Cd(上标 2+)及其复合污染对轮叶狐尾藻的毒害影响。

The results showed that different concentrations of exogenous Panicle shape under heavy metal stress Myriophyllum spicatum Linn root microbial changes in the number of micro-organisms vary.

结果表明,不同浓度的外源重金属胁迫下穗状狐尾藻根表面的微生物的数量变化不尽相同。

Conditions in the laboratory, using traditional microbiological culture method study the different heavy metal concentrations of exogenous Cd2+ for Pistia stratiotes and Myriophyllum spicatum L root-like surface of the impact of micro-organisms .

在实验室条件下,用传统的微生物培养法,研究了不同浓度的外源重金属 Cd2+对大薸和穗状狐尾藻根表面微生物的影响。

The effect of different phosphorus nutrition conditions(0.02、0.1、0.2、0.4、0.8 mg·L-1)on the growth of the macrophytes Myriophyllum spicatum and Hydrilla Verticillata was investigated.

实验研究了不同质量浓度(0.02、0.1、0.2、0.4、0.8 mg·L-1)磷对穗花狐尾藻和轮叶黑藻生长状况的影响。

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The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应,而且减少跟风的可能性。

The new PS20 solar power tower collected sunlight through mirrors known as "heliostats" to produce steam that is converted into electricity by a turbine in Sanlucar la Mayor, Spain, Wednesday.

聚光:照片上是建在西班牙桑路卡拉马尤城的一座新型PS20塔式太阳能电站。被称为&日光反射装置&的镜子将太阳光反射到主塔,然后用聚集的热量产生蒸汽进而通过涡轮机转化为电力