查询词典 precipitation

Integrated with precipitation data of 15th, June 2005 collected by Fujian Youxi Hydropower Development Limited Company, the author gives a detailed introduction to theory and process for drawing isohyetal line chart by Surfer, and illustrates problems that should be paid attention to.

结合福建尤溪流域公司20050615号洪水某时段实际降雨情况，详细介绍了使用Surfer（以Surfer8.0为例）软件具体绘制雨量等值线图的制图原理和步骤，并说明绘制雨量等值线图需要注意的几个问题。

The precipitation of SiO〓 from ZrSiO〓 grains and the isopachous strip were revealed by TEM micrographs as the microstructural characteristics of TZ30 sample fabricated at 1500℃/lhr.

高分辨电镜研究表明，在两晶粒晶界（包括ZrO〓/ZrO〓晶界和ZrO〓/ZrSiO〓晶界）以及三晶粒晶界上均无残留的SiO〓玻璃相；这种晶界构型对高温力学性能是极为有利的。

Mg-Al oxide catalysts were prepared by co-precipitation method, used ammonia as the precipitating agent. The catalytic performances of these materials were investigated in the gas-phase Aldol condensation of acetone to isophorone. The structure and surface properties of the catalysts were characterized by means of XRD, XPS, ICP, TG-DTA and TPD.

采用共沉淀法，以氨水为沉淀剂制备了一系列具有不同Mg/Al摩尔比的镁铝氧化物催化剂，考察了它们在丙酮气相缩合反应中的催化性能，并通过XRD，XPS，ICP，TG-DTA和TPD等手段对催化剂的结构和性质进行了表征。

BMG alloys were annealed isothermally at different temperatures and the precipitation phases were investigated.

全面系统地研究了母合金氧含量、熔体过热水平和冷却速率对合金的玻璃形成能力的影响。

Acrylic acid was isothermally polymerized by precipitation polymerization in toluene at various monomer and initiator concentrations over the temperature range of 40C–50C.

丙烯酸是恒温聚合的沉淀聚合在甲苯在不同的单体和引发剂浓度，温度范围-40 ℃， 50欧分。

The microstructure and properties and particle precipitation manner of the experimental steels,which were austenitized at 900 ℃ and isothermally treated at 550 ℃,were investigated.

低碳钢通过单独或复合加入微量合金化元素Nb，V或Ti达到晶粒细化，提高力学性能的目的。

The isotopic component in precipitation of Beijing and Shanghai.

北京及上海降水的同位素组成。

The influence of the monsoon climate on the isotopic composition of precipitation is discussed based on the accumulated data in China.

根据我国积累的雨水同位素组成资料，讨论了季风气候对雨水同位素组成的影响。

UV was applied to determine the concentration of total alkaloids and total flavones; Simultaneous determination of berberine, jatrorrhizine, palmatine, baicalin and geniposide by HPLC; The solid holdup and precipitation rate were calculated by the formula.

采用UV测定其中总生物碱、总黄酮的量， HPLC同时测定小檗碱、药根碱、巴马汀、黄芩苷、栀子苷的量；计算固含率，沉淀率。

African mainland, fluvial freely, laky and numerous, precipitation is rich, but water natural resources distributings serious not all.

非洲大陆，河流纵横，湖泊众多，降水丰富，但水资源分布严重不均。

With Death guitarist Schuldiner adopting vocal duties, the band made a major impact on the scene.

随着死亡的吉他手Schuldiner接受主唱的职务，乐队在现实中树立了重要的影响。

But he could still end up breakfasting on Swiss-government issue muesli because all six are accused of nicking around 45 million pounds they should have paid to FIFA.

不过他最后仍有可能沦为瑞士政府&议事餐桌&上的一道早餐，因为这所有六个人都被指控把本应支付给国际足联的大约4500万英镑骗了个精光。