Therefore, the previous data of heats of formation of polynitrocubanes estimated from groupadditivity method are corrected.3. Calculations indicate that, for polynitrocubanes, there are parallel relationships between their experimental kinetic acidities pKa, the average s characters in the exocyclic carbon orbital used for the C-H bonds within each molecule, and the average C-H stretching frequencies within each molecule.

計算結(jié)果表明，多硝基立方烷的實驗動力學(xué)酸性pK_a免费看看黄色片、分子內(nèi)用于形成C-H鍵的環(huán)外碳軌道平均s成分和分子內(nèi)的平均C-H伸縮頻率之間，存在平行的遞變關(guān)系，這對基于s_a或v_a的數(shù)值預(yù)估動力學(xué)酸性pK_a爱爱免费的小视频在、進而指導(dǎo)多硝基立方烷和其它相關(guān)化合物的合成有助。

Therefore, the previous data of heats of formation of polynitrocubanes estimated from groupadditivity method are corrected.3. Calculations indicate that, for polynitrocubanes, there are parallel relationships between their experimental kinetic acidities pKa, the average s characters in the exocyclic carbon orbital used for the C-H bonds within each molecule, and the average C-H stretching frequencies within each molecule.

計算結(jié)果表明久久婷婷五月天综合视频，多硝基立方烷的實驗動力學(xué)酸性pK_a日韩妓女精品影院在线观看视频网站、分子內(nèi)用于形成C-H鍵的環(huán)外碳軌道平均s成分和分子內(nèi)的平均C-H伸縮頻率(來源：AB0eC論文網(wǎng)www.abclunwen.com)之間，存在平行的遞變關(guān)系黄黄的精品视频在线播放，這對基于s_a或v_a的數(shù)值預(yù)估動力學(xué)酸性pK_a一级性爱视、進而指導(dǎo)多硝基立方烷和其它相關(guān)化合物的合成有助。

To explore the expression of neuron specific enolaes, S protein(S100) and glial fibrillary acidic protein in retinoblastoma and its clinical significance.

目的探討神經(jīng)元特異性烯醇化酶、酸性鈣結(jié)合蛋白(S100)及膠質(zhì)纖維酸性蛋白在視網(wǎng)膜母細胞瘤中的表達及臨床意義亚洲性爱视频偷拍。

Altogether 26 kinds of proteolytic enzymes were found in the digestive system of Grus grus in all pH value conditions.

灰鶴消化系統(tǒng)蛋白水解酶的活性受pH值的影響和制約亚洲国产精品国揄产拍，在中性條件下酶活性最強，酸性條件下最弱大黄特黄A片,欧美丰满大屁股，總的酶活性表現(xiàn)為中性〉堿性〉酸性美女黄色视频的久草视频；3。

In acidic aquatic environment, hydrotalcite and its calcined product can also play a role in neutralizing H(superscript +) ions and sorbing anions.

在酸性環(huán)境下亚洲黄色大片免费网，水滑石及其焙燒產(chǎn)物在對陰離子的吸附過程中都有中和酸性溶液的作用美女露出隐私的免费入口网站。

The early stage of the Yanshan movement generated an Early Jurassic downfaulted basin and a Middle Jurassic compressional-downwarped coalaccumulating basin.In the middle stage,the Mid-Late Jurassic witnessed the formation of a volcanic downfaulted basin bounded by NW and NE deep faults,intermediate-basic and acid volcanic eruption and hypabyssal and near-sur...

燕山運動早期形成早侏羅世斷陷盆地和中侏羅世擠壓坳陷型聚煤構(gòu)造盆地；中期中晚侏羅世形成被NW欧美A欧美一级a爰做、NE向深大斷裂圍限的火山斷陷盆地真人一放A片免费视频，中基性—酸性火山噴發(fā)和淺成、超淺成中酸性巖漿侵入一道本一区二区精品视频免费看片，晚侏羅世末形成了一系列NNE向褶皺和逆沖推覆構(gòu)造帶免费看黄色三级片A片；晚期早白堊世再次形成斷陷盆地和開闊平緩褶皺，義縣組不整合在火山巖之上韩国BJ在线A片，晚白堊世處于擠壓造山后的山體隆升階段日韩精品一区二区免费暖暖，左云組不整合在義縣組之上，伴隨有殼源型花崗巖侵入美女黄网址，NW自拍偷拍29p、NE向斷裂復(fù)活，形成地塹wwwcom日韩、地壘式斷裂組合亚洲视频色网站，導(dǎo)致山體隆升。

Acidic ion-acidic resin can also be used as a catalyst for organic synthesis, it's used instead of concentrated sulfuric acid can be catalyzed synthesis of dihydro-coumarin compounds [1], High purity isopropenyl acetate [2] and other organic compounds.

酸性離子酸性樹脂也可作為一種有機合成催化劑日韩高清亚洲区，用它替代濃硫酸可催化合成二氫香豆素類化合物[1]国产小视频激情，乙酸異丙烯酯[2]等有機化合物。

By study of the medium-acid plutonic rock and its maric microgranular enclaves of the middle Gangdis〓 belt, this dissertation will discuss the characteristics of the Gangdis〓 medium-acid plutonie magmatism and the crust/mantle dynamics during uplifting of Tibetan Plateau from the sight of material and energy, and use'lithoprobe'to connect crust and mantle interaction and other geologic events.

中www,激情激情.com、新生代青藏高原巖漿活動強烈又色又粗又长又黄的网站，沿雅魯藏布江縫合帶形成了著名的岡底斯構(gòu)造—巖漿帶，本篇博士論文以岡底斯帶中酸性侵入巖及其中鐵鎂質(zhì)微粒包體為研究重點久久99热精品成年动态图片，探討岡底斯帶中酸性侵入巖漿活動特征国产免费AⅤ视频在线观看，從物質(zhì)和能量的角度論述了高原隆升過程中的殼/幔動力學(xué)過程，利用&巖石探針&將殼/幔之間的相互作用和地質(zhì)事件有機地結(jié)合起來啊啊啊啊啊好爽。

The proton affinity calculations showed that the acidity of isomorphously substituted mordenite increases in the order:BMORGaMORAlMOR.

質(zhì)子親合勢分析表明與硅鋁絲光沸石相比日韩A片综合视频， B和Ga進入骨架導(dǎo)致絲光沸石分子篩的Brnsted酸性有所減弱，其酸性依次為：BZSM5GaZSM5AlZSM5欧美性爱成一北。

In order to discover acid-tolerant Rhizobium meliloti that can nodulate alfalfa high-effectively on acidic soil, researches were explored to isolate rhizobia from alfalfa nodules on acidic soil (pH5.2), methods based on the thesis of adaptive acid-tolerance response of the Rhizobia were adopted, six strains were isolated, which could grow on solid medium with pH4.8 steadily. In addition, the nodulation characteristics, growth curves and mean generation time under different acidity of the strains were examined.

為獲得能夠使紫花苜蓿在酸性土壤中高效結(jié)瘤的耐酸根瘤菌黄色免费网站在线看，該研究從酸性土（pH5.2）上生長的紫花苜蓿根瘤中分離到若干菌株伊人久久久久一级毛片，利用根瘤菌對酸的適應(yīng)性耐受反應(yīng)篩選到六株能夠在pH4.8的固體培養(yǎng)基上穩(wěn)定生長的菌株，并檢測了這六株菌的結(jié)瘤特征亚洲精品夜夜久久精品、不同酸度下的生長曲線和平均代時国产精品特黄特粗又长视频。