The accurate transmitted time of sound wave in acoustic pyrometry has the vital significance.But it possibly enables the background noise to change when the boiler under the different capacity,the different load,and the different time.

準(zhǔn)確的聲波飛渡時(shí)間在聲學(xué)測溫中具有非常重要的意義亚洲欧洲第一区二区三区，但是不同容量、不同負(fù)荷无码国产精品一区二区gif、不同時(shí)刻下運(yùn)行的鍋爐都可能使得背景噪聲發(fā)生變化5060网一级A片。

The method is serous to fresh liquid (place in room temperature before FLP) quick-freeze different time, different store after temperature, FFP is dissolved, the F Ⅷ that sets time differs in 4 ℃: CUndertake detecting.

方法對(duì)新鮮液體血漿速凍前在室溫放置不同時(shí)間、不同儲(chǔ)存溫度深夜女人18毛片A级毛片免费、FFP溶化后在4℃不同放置時(shí)間的FⅧ：C進(jìn)行檢測美国老人一级黄片视视。

The main works are as follows:Firstly, in order to produce quincunx down sampling and up sampling which could form directional wavelet transform, the rotated factor matrixes is introduced based on discrete wavelet transform.

在遙感圖像去除噪聲的過程中提出一種軟閾值映射函數(shù)，在不同尺度的高頻子帶圖像采用不同的軟閾值增益A片看片资源，并采用新的閾值估計(jì)算法來確定不同分辨率的高頻小波系數(shù)的分布來進(jìn)行圖像噪聲的有效抑制A片大全片在线看,欧美淫荡...。

The frist step is selecting any gage that building in the river basin as rainfall center, and adding the nearest rain gauge step by step to calculate the point and areal rainfall for different size of area. Using different gage that in the river basin as rainfall center can get the result of different case.

研究中，先以某個(gè)雨量站當(dāng)成點(diǎn)降雨中心亚洲一级免费网址，并逐次納入鄰近雨量站国产极品白嫩精品久久久久，即可分別得到不同面積下之點(diǎn)降雨及區(qū)域面積降雨，依序置換不同雨量站為中心進(jìn)行相同之分析人人爱人人爱人人操，即可得到所有可能組合案例之分析結(jié)果一级特黄AA片免费观看，利用Gamma分布可進(jìn)一步推求不同重現(xiàn)期距之點(diǎn)降雨及區(qū)域面積雨量，即可建立研究區(qū)域之ARF久久一级片视频。

The characteristics of the general circulation in winter,spring and summer, East Asian monsoon, summer rainfall and the distribution of drought/flood in China are discussed.

我國夏季降水和旱澇有明顯差異的四種不同分布型可能與冬季所處 ENSO循環(huán)的不同階段以及大氣環(huán)流和東亞季風(fēng)對(duì)它的不同響應(yīng)有關(guān)酒店情侣A级毛片。

By randomized block experiment, the number of ramification and yield of Styiosanthes guianensis in different ways of sowing, cutting and fertilization were studied. The result showed that the number of ramification of S.

采用隨機(jī)區(qū)組試驗(yàn)，以不同播種方式免费视频精品一区二区三区、不同刈割方式及不同施肥水平對(duì)柱花草Styiosanthes guianensis的分枝數(shù)及產(chǎn)量的影響進(jìn)行了分析日韩激情无码一级毛片免费视频。

The influence of the rarefaction effect, thermal creep effect and slip conditions is emphasized.

采用不同滑移模型，對(duì)不同進(jìn)出口壓比美女被插出白浆、長寬比AV网站AV爱爱爱、工質(zhì)的微通道流進(jìn)行理論和數(shù)值分析，著重研究稀薄效應(yīng)人人色人人操人人射、熱蠕動(dòng)效應(yīng)以及不同滑移條件對(duì)計(jì)算結(jié)果的影響。

In five years after the beginning of the project of Grain for Green, the concentration and inventory of SOC in the 0～30 cm soil layer under most reafforestation patterns were higher than those under cropland conditions, while the concentration and inventory of SOC in the 0～60 cm soil layer did not change or even decreased in some cases.

回歸分析還表明女被操网站，不同森林植被類型和不同土層性欧美另类，海拔、坡向欧美在线视频干美女、坡度等環(huán)境因子對(duì)SOC變異的可解釋程度不同亚洲天堂国产制服。

There are countless types of rebels, all with different goals, and different abilities.

會(huì)有各式各樣不同的反叛欧美一区二区激情，他們都有不同的目的，也有不同的能耐欧美日韩国产XXXX。

Secondly, relations between the structuralism and physics teaching illustrate that the physics history can play the role of "advanced organizer" in improving the transfer ability. Moreover, the theory of recapitulation of physics announces the inherent similarity between the process of physics research and the process of physics conception learning. According to constructivist learning theories, the dissertation explains the process of students' learning the scientific concepts.

首先論文通過分析比較皮亞杰認(rèn)知發(fā)展論和庫恩科學(xué)發(fā)展論得出教育實(shí)踐應(yīng)與科學(xué)發(fā)展規(guī)律保持一致日韩偷拍精品另类视频，應(yīng)重視物理學(xué)史在物理教學(xué)中的應(yīng)用，對(duì)于不同認(rèn)知水平的學(xué)生和不同類型的知識(shí)應(yīng)采用不同的教學(xué)方法：其次從結(jié)構(gòu)主義與物理教學(xué)的關(guān)系說明物理學(xué)史在提高遷移能力上可以扮演"先行組織者"的角色东京热入口；再次99热思思在线国产，通過物理文化重演理論揭示人類研究物理學(xué)的過程與學(xué)生學(xué)習(xí)物理概念的過程的內(nèi)在相似性，并根據(jù)建構(gòu)主義學(xué)習(xí)理論解釋學(xué)生學(xué)習(xí)科學(xué)概念的過程日韩妓女精品影院视频在线。