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It is shown that the model can well simulates the daily runoff process in Hanzhong area and the model efficiency is similar to those of the lumped VIC and Xinanjiang Hydrological Model.Moreover,the proposed model considers the spatial variability of precipitation and underly...

结果表明,该模型能较好模拟汉中流域的日径流过程,其模拟精度与集总式VIC模型和集总式三水源新安江模型基本相当,但它充分考虑了研究流域内降水输入和下垫面条件的空间差异性,能够提供网格降水分布及流域内产汇流的分布状况,能进一步同中尺度MM5气象模式耦合,延长洪水预报的预见期。

Undernatural ventilation and closed landfilling conditions, the removal efficiency of total dissolved organics is respectively 92% and 87% when hydraulic load is 40 L/(m3·d), and thatof total dissolved refractory organics is respectively 34% and 21% when the hydraulic load is 50 L/(m3·d).

当水力负荷为40 L/(m3·d)时,在自然通风和封闭填埋条件下总溶解性有机物的去除率分别为92%和87%;当水力负荷为50 L/(m3·d)时,总溶解性难降解有机物的去除率分别为34%和21%。

Numerical results show that the total tension resistance under undrained condition may be three times of the value under drained condition.

结果表明,不排水加载条件的总抗拉力可能达到排水总抗拉力的3倍。

Result: Among the treatment group there were 67 cases were cured and 29 cases effective and 4 cases were uneffective.

结果:治疗组显效67例,有效29例,无效4例,总有效率96%;对照组显效30例,有效32例,无效18例,总有效率77.5%。

In hydrological modelling one of the most common and significant challenges faced is the reduction of uncertainty in estimation and calibration of model parameters,especially how to estimate parameter values for ungauged basins and simulate the hydrological effects of basin development scenarios and water usage practices.

目前应用较为广泛的模型多为集总式模型。但是,集总式水文模型有很多缺点,如不能反映实际暴雨洪水产汇流的空间分布特性,无法全面的刻画水文系统分散输入集中输出的产汇流规律等。因此为了研究和解决变化环境中的水文水资源问题,评估和检测流域的径流过程和水资源量的动态变化规律,实现水资源的可持续利用和发展战略,必须开发研制有物理基础的分布式流域水文模型。

Persicum when seeds were submerged in 700 mmol.L-1 NaCl solution, especially for recovery germination and total germination when ungerminated seeds were air-dried and then transferred to distilled water, while these were increased markedly when seeds were submerged and aerated in 700 mmol.L-1 NaCl in H.

与囊果碱蓬和梭梭相比,自梭梭种子在700 mmol·L~(-1) NaCl浸泡后种子萌发率、恢复率和总萌发率都很低,尤其是未萌发种子风干后的恢复率和总萌发率更低。

Objective:The koji, production process and product index of North of Hunan unhusked rice wine and Middle Hunan rice wine were studied to give evidence for industrial production of unhusked rice wine; Methods: Glucoamylase activity, alcoholic fermentation activity, alcoholicity, all ester and the number of microbe were examined with ordinary ways; Results:The number of microbe and Rhiz.

目的:对湘北谷酒与湘中米酒酒曲、生产工艺以及成品酒指标进行比较,为谷酒的产业化生产提供依据;方法:采用常规方法测定、比较糖化力、酒化力、酒精度、总酯、微生物含量;结果:谷酒酒曲的微生物总数、根霉菌数糖化力与湘中米酒酒曲基本相同,但酵母数、酒化力略高于米酒酒曲;湘北谷酒的酒度、出酒率和总酯均高于湘中米酒,高级醇含量基本持平,感官指标优于湘中米酒;结论:谷酒较米酒的发酵工艺更合理,蒸馏方式更科学,产品质量更稳定;谷酒比米酒更适合大规模产业化。

Ice/ridge geometric parameters is established, and from computational analysis it is found that the unmonotonous variations of drag coefficient with ice concentration that frequently observed in sea ice field investigation mostly result from the influence of form drag from ice edge.

通过将原型条件下的冰-水总拖曳力考虑成表面摩拖曳力、冰侧形拖曳力和冰脊形拖曳力三部分,建立了冰-水总拖曳系数同海冰和冰脊几何形态参数之间的定量关系,并由计算分析发现现场观测到的拖曳系数随密集度的非单调变化就是冰侧形拖曳力分量作用的重要体现。

Methods The clinical data of 30 cases receiving glaparoscopic renalcyst unroofing from February 2002 to March 2005 and 15 cases receiving open renalcyst unroofing from February 2002 to February 2004 were retrospectively analyzed.

回顾分析腹腔镜肾囊肿去顶术30例及开放性肾囊肿去顶术30例的临床资料,就两组术前抑郁与焦虑的心理评分、手术时间、术中出血量、术后肠功能恢复情况、术后下床活动时间、抗生素应用时间、止痛药应用次数、恢复正常工作时间、手术治疗费用、住院总费用、术后住院总天数等指标进行比较。

After the ligation of both CCAs, the decrease of cerebal blood flow is compensated by the formation of collateral circulation and the dilation of basilar artery, and CCA' ligation is a feasible technique in establishing symptomatic cerebral vasospastic model.

颈总动脉结扎后,兔脑可能靠侧支循环增加和基底动脉增粗来代偿脑血流的下降;在症状性脑血管痉挛模型的制作中,颈总动脉结扎是一项可行的技术。

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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