查询词典 submergence

With different layout of inverted siphon pipe , requirements for inlet flow pattern and submergence are various.

不同的倒虹吸管布置型式，进口流态及淹没要求有所不同。

They not only would suffer the huge submergence losses, but also would be compelled to leave the generation houses or the life homeland.

而这种迁移不只是原居住地的改变，也是对原有生产体系、生活情景和规范体系的破坏和重建的过程，它将对移民产生重大的影响。

Phragmite australis is a kind of helophyte,the submergence and the ground water depth have effect on the growth.

芦苇是一种喜水性植物，地表淹水程度和地下水埋深对芦苇生长都有明显的影响。

One hundred and eighty-four cDNA clones were identified as submergence specifically induced or highly expressed.

对其中155个cDNA克隆测序并去除重复克隆后，共得到95个差异表达的cDNA片段。

Most emergence or submergence does not remain strictly vertical.

大多数的上升或下降运动并非全然垂直。

An ample water supply is probably the greatest advantage of soil submergence for irrigated rice.

大量供水可能对灌溉水稻淹水土壤有很大好处。

From the simulation analysis, we can know the motion response rules of submergence process under the action of different circumstance conditions.

通过数值模拟分析，比较全面地了解到受不同环境条件作用时平台整个沉放过程中响应规律。

The optimal design methods of submergence pump depth and other swabbing parameters were presented.

通过分析有杆泵抽油系统的能耗，以机采系统效率最高为目标，确立了机采系统优化设计的目标函数和约束条件，同时分析泵效对机采系统效率的影响以及影响泵效的因素，给出了沉没度和其他抽汲参数的优化设计方法。

In order to select the most suitable tree peony cultivars planting in the area of South Yangtse River of China,the changes of morphological,physiological and biochemical indices after submergence stress of eight cultivars were studied in this paper.

为了筛选适宜在江南地区栽培的牡丹品种，以8个盆栽牡丹品种为材料，对水涝胁迫下牡丹形态、生理生化变化进行了研究，初步探讨了8个品种的耐涝能力。

The results show that this kind of roughening elements can possess a wide range of roughness, and the hydraulic resistance decreases with the increase of space between roughness elements, but reduces slowly to a constant, and that flow enters into the turbulently rough zone when Reynolds number reaches about 3 500, in which the hydraulic resistance decreases with increase of relative submergence degree, reducing slowly to a constant too.

通过水槽试验对Y型加糙体阻力特性进行了深入研究。研究结果表明：其糙率具有一个较大的调整范围，且随着加糙间距的增加水力阻力减小，减小的幅度越来越小，最后基本不变；雷诺数在3 500左右水流进入阻力平方区，进入阻力平方区后，随着相对淹没度的增大水力阻力减小，最后达一定值。

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。