查询词典 gully

Based on DEM data of different development periods of a indoor watershed model obtained from the integration of artificial simulated rainfall experiment and high accuracy digital photogrammetry technique, the fractal dimensions of topographic feature under different development periods of the indoor watershed model based on variation method were calculated and the relationships between watershed topographic feature fractal dimension and topographic factors such as watershed gully density as well as ground lacerative degree was discussed preliminarily.

以室内流域模型人工模拟降雨试验和高精度摄影测量获得的模型流域不同发育时段的数字高程模型数据为基础，采用变分法计算了流域地貌形态分形维数，并对分形维数与地貌因子沟谷密度和地面割裂度的关系进行初步探讨。

This study was therefore conducted in a small watershed of the loessial gully region to reveal the profile distribution of soil properties as affected by landforms.

论文研究了黄土高原沟壑区小流域地形条件对土壤性质剖面分布的影响，结果表明土壤硝态氮、速效磷、碱性磷酸酶和蔗糖酶为高度变异的土壤性质；pH值和过氧化氢酶为小变异土壤性质。

This study analyzes the erosion of the loess hilly and gully area according to materials about the rainfall of Wuqi county in 20 years and the long-term location observing data recorded by the auto-recording pluvioscope in the experimental area.

根据吴旗县20年的降雨资料及试验区自记雨量计长期定位观测资料，分析了黄土丘陵沟壑区的降水侵蚀。

Taking root suckers of Hippophae rhamnoides artificial population as the research object, based on the field investigation of produced number of clones, space distribution and growth condition, basic characteristics of ramet and relationship of environmental factors and root suckers were studied systematically in different habitats in Zhifanggou hilly-gully regions.

以沙棘人工种群根蘖萌苗为研究对象，通过对丘陵沟壑区纸坊沟流域不同生境沙棘人工种群根蘖萌苗，产生的无性系个数、空间分布和生长状况的调查，系统研究不同生境条件下沙棘人工种群的根系产生幼苗的基本特征及其与环境因素的关系。

Physiologicalmechanism of high yielding corn in the ravined valley was studied. Based on the results,the technical regime of ecologically adverse resistant and high yielding cultivation forthe corn in the ravined gully has been constructed. The major detailed techniques for theregime are ridging-ploughing in autumn and film-mulching during the thawing time inspring, adopting compact corn varieties with big ears and grains and adequately longgrowing stage, fertilizing adequately at seedtime and at jointing stage and irrigatingwith floodwater in the middle and late. The standardized techniques have also beenestablished.

&九五&期间，我们以充分发挥沟谷地的生态资源优势和育壮苗、攻大穗、增粒重的玉米高产规律为结合点，研究与明确了沟谷地高产玉米的生理机制，组建了以秋耕起垄顶凌覆膜保墒、选用紧凑型&三大&玉米品种、施足底肥重攻拔节肥、中后期洪淤补灌等四项技术为核心的沟谷地玉米生态抗逆高产栽培技术体系，制定了针对性强、技术准确、便于操作、简单易行的规范化技术。

The friend, you sees has divided the skyscraping day all peak, justlike silver 妆 white clothing goddess; The friend, you sees hasseparated the lotus flower peak which the gully faces one another, ifidentical is in full bloom saussurea involucrata; The friend, you sawthe Kowloon peak to turn the jade dragon which wound to soar, dancedin the air above Huangshan Mountain's cloud sea; The friend, you hasseen the west sea group peak strange hoodoo, likes to wear the whiteclothing the deity, gathers above peak.

朋友，你见过劈地摩天的天都峰，宛如银妆素裹的神女吗；朋友，你见过隔壑相望的莲花峰，如同一朵盛开的雪莲吗；朋友，你见过九龙峰变成了一条蜿蜒腾飞的玉龙，飞舞在黄山的云海之上吗；朋友，你见过西海群峰奇异的石林，像一尊尊身着素服的神仙，聚集在峰头之上吗。

On the basis of long-term experiment, changes in soil organic C, N and dynamics of soil NO〓-N of cropping systems were investigated in gully area of the Loess Plateau by means of analysis of the 15-year soil samples, crop yield in following crop systems: 1 continuous winter wheat with unmanured , nitrogen, organic manure , phosphorus and organic manure , nitrogen and phosphorus , nitrogen, phosphorus and organic manure , 2 continuous alfalfa, 3 pea-winter wheat rotation, winter wheat-sainfoin rotation, and 4 bare fallow. A model was developed according to the organic C dynamics, and was tested by the long-term experiment.

本文以中国科学院长武试验站的长期试验（始于1985年）为依托，通过对典型处理8-15年的土壤养分、作物产量以及同期降水量等的系统分析，揭示了黄土旱塬区不同种植体系中土壤有机碳、氮的演变规律；阐明了长期施肥条件下土壤硝态氮的迁移积累机理；提出了目前水肥条件下黄土旱塬区冬小麦生产潜力及其提高途径。

The relationship of slope and upslope drainage area of the study area is S = 0.074 A-0.1895, and the gully initiation process is an interaction process of hydrological erosion, melt erosion and landslide erosion, the initiation threshold is increased by the biomass.

研究所得的切沟发育临界地形条件为S = 0.074 A-0.1895，研究区切沟发育的过程是受水力侵蚀、冻融侵蚀和重力侵蚀的交互影响的过程，而沟头植被覆盖的增大会导致切沟发育临界条件的增大。

Compared with the loess hilly and gully regions of northern Shaanxi without using Wote super absorbent and PAM, influence of Wote and PAM on the soil environment and the growth of watermelon had been researched.

在陕北黄土丘陵沟壑区，以不施保水剂为对照，开展了沃特和PAM保水剂对西瓜生长及土壤环境影响的研究。

Compared with no used Wote super absorbent and PAM in loess hilly and gully regions of northern Shaanxi, applying Wote super absorbent and PAM in small holes near seed potato and soaking seed potato with 1.0% Wote super absorbent and 1.0% PAM, the effects of Wote and PAM on soil moisture and growth of potato were researched.

在陕北黄土丘陵沟壑区以不施为对照，开展了浸种、穴施保水剂沃特和PAM对土壤水分和马铃薯生长影响研究。

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。