In order to predict, prevent and control downy mildew, epidemic dynamics and outbreak causes of wine grape downy mildew were researched, by catching sporangia of Plasmopara viticola, evaluating disease and collecting meteorological data daily through whole growing season of wine grape.

通過對(duì)生長(zhǎng)季釀酒葡萄園空氣中霜霉病菌孢子囊進(jìn)行逐日逐小時(shí)捕捉免费黄色电影一级，并對(duì)病情進(jìn)行調(diào)查久久久久国产AV，記載氣象資料国产综合一区二区三区精品，對(duì)霜霉病菌孢子囊飛散動(dòng)態(tài)及病害爆發(fā)成因進(jìn)行了詳細(xì)研究，以期對(duì)病害爆發(fā)進(jìn)行預(yù)測(cè)全网黄网站免费观看，用于指導(dǎo)該病的防治色欲无码综合视频一区二区。

Based on the polygenetic compound theory, in combination with the study of regional geology, the geological characteristics of the ore field and mineral deposit geochemistry, this study discusses the constraint from geological structures and ore-bearing wall rocks on the mineralization and presents that the Dachang tin-polymetallic ore field genetically belongs to polygenetic compound type relevant to magmatic-hydrothermal superimposition and modification.

運(yùn)用多因復(fù)成理論91久久精品国产91性色tv，通過對(duì)區(qū)域地質(zhì)背景、礦田地質(zhì)特征97在线看视频、礦床地球化學(xué)等方面的研究国产熟女高精品裸交视频，探討地質(zhì)構(gòu)造與容礦圍巖對(duì)成礦的制約，認(rèn)為大廠錫多金屬礦田在成因上為巖漿疊加改造混合熱液多因復(fù)成型

The metallogenic geological background, structural control factor, geological characteristics of deposit in Dachang tin polymetal ore deposit are analyzed, the author thinks that the Dachang belong to polygenetic magmatic hydrothermal deposit, and it still have considerable exploration prospect s.

文章通過分析大廠礦田錫多金屬礦成礦地質(zhì)背景性插影院色插、構(gòu)造控制因素欧美日韩精品巨乳中文字幕、礦床地質(zhì)特征，提出大廠礦床成因類型屬物質(zhì)多源巖漿熱液礦床亚洲乱伦专区；認(rèn)為該礦床還具有可觀的找礦遠(yuǎn)景又大又粗的免费视频，提出開展大比例尺成礦預(yù)測(cè)的建

According to the research of strata element contents, REE, stable isotope and wall rock alterations, ore forming substances are from both mantle and crust, and the ore deposit has the characteristics of mutiple metallogenesis and polygenetics, belonging to mantle crust polygenetic compound deposit .

老廠銀鉛礦床主要受斷裂構(gòu)造控制。對(duì)礦區(qū)地層元素豐度色黄视频免费看、稀土元素在线精品视频播放、穩(wěn)定同位素及圍巖蝕變等進(jìn)行研究，結(jié)果表明黄片无码免费不卡，成礦物質(zhì)有幔男人的天堂一级毛片、殼兩大來源，礦床具多期多成因的特征欧美真人做真爱免费A片，屬幔－殼型多因復(fù)成礦

The author puts forward that the forming of the Shihugold deposit is of the characteristics of multistage geotectonic evolution,multisource ore- forming materials, multiore- controlling factors,multimineralization, multigenesis typle. Controlled by the fault belt, theShihu gold deposit is a polygenetic compound ore deposits which wasformed in the Archean mesometamorphic rock and reconstructed bymixed hydrothermal in Yanshan Epoch. And a related minerogeneticmodel has been set up.

將礦床成礦作用與大地構(gòu)造演化階段聯(lián)系起來黄色av免费视屏，詳細(xì)地闡述了石湖金礦床的成礦機(jī)理，認(rèn)為礦床的形成具多大地構(gòu)造演化階段国产成_人__亚洲_国产，多成礦物質(zhì)來源日韩欧美黄色视频一区二区播放、多控礦因素、多成礦作用和多成因類型的特點(diǎn)熟女淫乱性爱视频网，提出石湖金礦床屬產(chǎn)于太古代中級(jí)變質(zhì)巖系插精品人妻、受斷裂破碎帶控制的燕山期巖漿改造混合熱液型多因復(fù)成金礦床，并建立了與之相適應(yīng)的成礦模式圖欧美99。

This study demonstrates that the coal pores are polygenous, polymorphous and all sizes, they only develop and connect within micra-area.

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Secondly, through survey and study, have carried on the positive research to enterprises credit risk management current situation of our country, and launch analysing its origin cause of formation, adopt polyhydric statistical method to structure the credit model which suits my national conditions.

其次免费黄色视频不用下载在线观看，通過調(diào)研，對(duì)我國企業(yè)信用風(fēng)險(xiǎn)管理現(xiàn)狀進(jìn)行了實(shí)證研究日韩欧美久久，并對(duì)其成因展開分析性色AV免费不卡无码，采用多元統(tǒng)計(jì)方法構(gòu)建了適合我國情況的信用分析模型。

The ore fluid has a temperature range of 150|300℃, probably derived from intermediate|acid albite porphyritic dikes, but not typically of magmatic hydrothermal origin. The ore fluid seems to be of multi|source.

成礦流體很可能來源于中酸性鈉長(zhǎng)斑巖脈免费看A片直接打开，但又不是典型的巖漿熱液国产v在线在线观看视频免费、一，具有多成因性最新狼友网址。

With outcrop of Heyu porphyritic granite rocks in the south, the gold deposit falls into structural altered rock type, and the gold-bearing strata is Jidanping Fm.

成因類型為構(gòu)造蝕變巖型，賦礦地層為熊耳群雞蛋坪組和馬家河組A级毛片免费观，南側(cè)出露合峪斑狀花崗巖国产尤物视频在线。

There are three genetic types of mineral deposits in the Beiya ore district:① Cu-Au polymetallic deposits related to alkaline porphyries, comprising porphyritic Cu-Au deposits and polymetallic skarn deposits related to quartz-albite porphyry and quartz-K-feldspar porphyry;② Fe-Au deposits related to gabbro or basalt magma, consisting of magmatic Fe-Au deposits and sedimentary polymetallic deposits formed in caves and lakes; and ③ palaeo-placers formed at the weathering surface, in lakes and in karsts.

北衙金礦有3種成因不同的礦床：①與堿性斑巖有關(guān)的銅金多金屬礦，包括與石英鈉長(zhǎng)斑巖和石英正長(zhǎng)斑巖有關(guān)的斑巖型銅金礦床和矽卡巖型多金屬礦床羞羞呦呦视频在线免费播放；②與輝長(zhǎng)－玄武巖漿有關(guān)的鐵金礦床人人操人人摸在线，包括熔漿型鐵金礦床和噴流沉積型多金屬礦床久久久久亚洲AV无码专区电影，后者又有洞穴和湖相沉積環(huán)境之分欧美喷水网站一级a片；及③古砂礦，有古風(fēng)化殼型砂礦www,高潮,c0m、河湖相古砂礦和洞穴沉積古砂礦欧美黄色插插。