cloud seeding 中文意思是什麼
cloud seeding
解釋
（人工降雨的）雲的催化。-
The artificial rainmaking ( cloud seeding ) doesn ' t help much
人造雨（雲種散播）沒發揮什麼多大的作用。 -
Investigation on catalyst dosage in aircraft cloud seeding in stratiform clouds
層狀雲飛機增雨催化劑用量研究 -
The government is using cloud seeding to try to produce rain for farmers, stave off drought and fill water basins
而且政府經常用人工降雨來為農民製造降雨，對抗乾旱並且填充水流域。 -
However, one official admits that although cloud seeding could be effective in preventing light rain on aug. 8, it could not curb the onset of a moderate to heavy storm
盡管如此，一個官方人士承認，人工降雨可以使他們阻止8月8號比較輕量級的降雨，他們是無法阻止一場形成中的大暴雨的。 -
First, based on the historical data of 20 years of henan province, the cloud seeding operation cases in april and october in the central region of henan province were evaluated by cluster - analysis - based floating control historical regression method with uniform precipitation and atmospheric precipitable water as meteorological covariates, cluster - analysis - based floating control historical regression method with uniform precipitation as meteorological covariate, and floating control historical regression method ( fcm )
首先，根據河南省近20年的歷史資料，分別用以降水量為協變量的ca - fcm方法、以降水量和整層大氣可降水量為協變量的ca - fcm方法和浮動對比區歷史回歸統計檢驗方法（ fcm ） ，對河南省4月和10月增雨作業進行評估。 -
Three evaluation methods for the nonrandomized precipitation enhancement operation effects have been developed based on the regional rainfall control and meteorologit cal covariable correlation : dopple ratio analysis evaluation method using regional rainfall ten - dency control for single cloud seeding operation case ; regression analysis evaluation effects on the bases of regional correlation and developing tendency of rainfall ; and multiple regression analysis with meteorological and physical covariables
本文根據區域趨勢控制和氣象-物理協變量相關設計了三套非隨機化人工增雨作業效果評估方案：個例作業區域趨勢對比雙比分析評估方案、區域趨勢相關回歸分析評估方案和氣象-物理協變量多元回歸分析評估方案。 -
Then, six evaluation methods ( double ratio analysis evaluation method using regional rainfall tendency control for single cloud seeding operation case, regression analysis evaluation effects on the bases of regional correlation and developing tendency of rainfall, multiple regression analysis evaluation effects on the bases of regional developing tendency of rainfall, cluster - analysis - based floating control historical regression method with uniform precipitation and atmospheric precipitable water as meteorological covariates, cluster - analysis - based floating control historical regression method with uniform precipitation used as meteorological covariate, and float ing control historical regression method ) were compared and analyzed with the case of the cloud seeding operation on 5 april 2002 in henan province
然後，以河南省2002年4月5日飛機增雨作業為個例，對作業區域趨勢對比雙比分析評估方案、區域趨勢相關回歸分析方案、區域趨勢多元回歸分析方案、以降水量為協變量的ca - fcm方法、以降水量和整層大氣可降水量為協變量的ca - fcm方法和fcm方法6種評價方案進行分析比較。 -
It was shown from the result of analysis and comparison that the evaluation efficiency for the non - randomized cloud seeding operations could be improved by using appropriate physical covariate as control factor and increasing the correlativity between rainfall distributions in the control area and target area
比較分析的結果表明，只要不斷提高對比區和影響區的相關性和引入新的更有效的協變量，就可能提高非隨機化作業的效果評估效率，從而更好的檢驗人工增雨作業的效果。 -
In the end, cluster - analysis - based floating control historical regression method with uniform precipitation and atmospheric precipitable water as metoorological covariates could more validly evaluate efficiency of cloud seeding operations and significant level of ca - fcm method was higher than the other methods, because it adopted cluster analysis which highly improved the correlativity between rainfall distributions in the control area and target area, and used grid interpolation which enhanced exactness of calculating precipitation rainfall, and chose atmospheric precipitable water as the covariant which increased the inferential accuracy of natural rainfall on the cloud seeding operational area
最後，得到以降水量和整層大氣可降水量為協變量的ca - fcm方法，由於採用聚類分析（ ca ）方法，提高了對比區和影響區相關性；採用網格插值技術提高了雨量的計算準確度；引入了不受催化影響的物理協變量（整層大氣可降水量） ，提高了作業區自然降水量估計值的準確性；所以評估效果最好，顯著水平高於0 . 05 。 -
Using the 1ap 3 - d hailstorm numerical model, we analyze influence of variation on rainfall amount, hail fallout amount, dynamical process of cloud, microphysical process, mechanism of hail suppression with seeding, and seeding outcome. besides, we use those study outcomes and bring forward some advice about using and improving model. we simulate a hailstorm occurred in nanjing county and analyze influence of raindrop, ice crystal, graupel size distribution on outcome of model
本文利用中國科學院大氣物理研究所的三維冰雹雲催化數值模式，通過對冰雹雲的模擬和對譜參數的數值試驗結果，分析了冰雹雲中粒子譜形的變化，對雲和降水過程的影響，其中包括雨滴譜、冰晶譜、霰譜的形狀參數對自然雲的發展過程、降雨降雹、雲中微物理過程、霰以及冰雹的形成機制的影響。 -
Cloud liquid water content is always one of the most important quantities in many subjects and operations, particularly in modification weather the conditions of cloud liquid water and supercooled liquid water content are the predetermination conditions of seeding clouds
雲中液態水含量一直是多種學科和業務中都極其重要的量，尤其是人工影響天氣領域，雲中雲水含量及過冷水條件是決定可播性的先決條件。 -
In this paper aircraft has made vertical and synthetic detecting flying purposefully on 9. 17, 2003 according to cloud ' s macro and microstructure. vertical layers and representative places of stratiform cloud on 9. 17, 2003 are analyzed using the observational data of particle measurement system ( pms ), combined with satellite data, radar data, and precipitation data on ground. by this we have got cloud ' s microphysical structure and physical process of the natural precipitation, and the physical effect evidence has been testified according to observational data after lco2 seeding
本文用綜合觀測的方法，利用機載pms雲粒子探測系統，根據雲系的宏微觀結構特徵進行有針對性的垂直探測飛行，配合衛星、雷達、地面雨量、雨強計網觀測資料對2003年9月17日延安降水性層狀雲系中那些有代表性的部位或垂直分層做細致的觀測分析，獲得雲系的微物理結構和自然降水形成的物理過程，並用觀測事實來驗證人工增雨引晶催化后的物理響應判據。 -
When r, i, g vary with height at the same time, effect on rainfall amount and hail fallout amount are all bigger, especially, hail fallout amount. another hailstorm occurred in xunyi county, shanxi province on july 9. 1999 is also simulated. by contrasting two different hailstorms in nanjing and xunyi county, we analyze the effect of i variation on nature cloud and precipitation, then we analyze the effect of i variation on mechanism of hail suppression with seeding and seeding outcome in two seeding experiments with agl
模擬了1999年7月9日陜西省旬邑地區的冰雹雲個例，在只改變模式中_ i取值的條件下，對南京、旬邑兩個不同地區的冰雹雲，對比分析了冰晶譜形變化，對雲和降水的影響，最後又分別用agi進行催化數值試驗，來對比研究兩個不同地區雲中冰晶譜形的變化，對催化防雹影響。 -
Detailed simulations on rain enhancement with a rocket fired at different time, elevations, distances and seeded in different areas of cloud were analyzed. the results show that a positive effect of rainfall enhancement can be obtained when seeding in suitable parts of the clouds
結果表明，利用火箭在對流雲中適宜的部位進行人工播雲催化作業是有正效果的；在雲發展階段進行催化，增雨效果較好；火箭發射仰角對增雨的效果有很大影響。 -
The paper works out the ice crystal spectrum distributing in the different macroscopic and micro - backgroud of the cloud ( ie, the thickness, the temperature and the supersaturation with respect to ice of the nucleation layer ). this paper also works out the amount of catalyst which is allowed in the cloud nucleation layer according to the different quantity of the supercooled water, the density of the supersaturation of the vapor with respect to ice. simultaneously, the paper discusses the i nfluence of remaining time when seeding artificial ice nucleus in the different ascending - velocity and altitude, and elicits the proper seeding altitude of the catalyst
以此解為依據，得出了不同均流時，人工引入冰核在核化層存留時間，再以此時間作為人工冰核凝華增長時間，求出不同的雲宏微觀背景（如核化層厚度、溫度、冰面過飽和度等）下的冰晶譜分佈，經和實際資料比對符合相當好。進而求出核化層中不同過冷水量、冰面過飽和水汽密度下雲核化層可允許的催化用量。同時討論了不同升速，不同高度引入人工冰核時對其存留時間的影響。 -
The observation of cloud microphysical structure and the analysis of seeding physical effect play an important role in artificial precipitation - enhancement
降水過程的雲微物理結構的觀測和催化效應的分析在人工增雨中佔有重要的地位。 -
Because a hurricane draws much of its energy from heat released when water vapor over the ocean condenses into clouds and rain, the first researchers to dream of taming these unruly giants focused on trying to alter the condensation process using cloud - seeding techniques ? then the only practical way to try to affect weather
由於颶風大部份的能量，來自海面上水氣凝結成雲雨時釋放的潛熱，因此希望馴服這個頑強巨人的先驅研究人員，便專注于利用人造雨技術來改變凝結的過程，這也是當時要影響天氣現象唯一可行的方法。 -
The cloud water in the concerned clouds was consumed quickly after seeding. ice - phase particles appear earlier, and their concentrations and contents increased. microphysical processes turn more active
在雲體內部，雲水迅速被消耗，冰相粒子出現時間提前，濃度和含量明顯增加，各種冰相過程反應強烈。 -
The nucleation rates of different seeding agents are used as the initial conditions in the model, and at the same time cloud features and modification methods are paid more attention in the model. when simulating process of liquid co2, influence of thermodynamics to clouds is fully taken into accounted
在運算的過程中考慮了被模擬雲的實際特徵和當時的作業情況；在進行液態二氧化碳（一種製冷劑）的模擬時，充分考慮了製冷劑對雲體的熱動力過程的影響。
分享友人