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英語(yǔ)人>網(wǎng)絡(luò)例句>molar 相關(guān)的網(wǎng)絡(luò)例句
molar相關(guān)的網(wǎng)絡(luò)例句
與 molar 相關(guān)的網(wǎng)絡(luò)例句 [注:此內(nèi)容來(lái)源于網(wǎng)絡(luò)日韩一精品视频在线观看,僅供參考]

Methods: Fifty-fix adolescents were chosen and divided into first premolar extraction and nonextraction groups, with 30 and 26 patients respectively. The pretreatment and posttreatment panoramic radiographs were taken. The indexes of third molar eruption space, distance from third molar to occlusal plane and the length of mandible were measured and analyzed.

選擇56例上下頜第三磨牙均存在的患者進(jìn)行方絲弓正畸治療456久久影院一区二区,按照第一前磨牙拔除與否分為拔牙組(30例)和非拔牙組(26例),利用術(shù)前術(shù)后曲面斷層片對(duì)患者上下頜第三磨牙萌出間隙毛片基地无码专区久久、第三磨牙與胎平面的距離以及下頜長(zhǎng)度進(jìn)行測(cè)量分析在线观看黄毛片。

Objective: To elucidate the role HSP27 during amelogenesis and odontogenesis in the teeth of limited growth by analyzing its expression in enamel organ of developing rat molar teeth and rat molar.

目的:通過(guò)分析大鼠磨牙及其發(fā)育過(guò)程中,Hsp27 在成釉器中的表達(dá)亚洲无码淫乱视频,闡明Hsp27 在牙釉質(zhì)影音资源在线观看、牙本質(zhì)形成中的作用。

Densities of glycine and L-serine in aqueous LiNO3, NaNO3 and KNO3 solutions have been measured at 298.15 K with an Anton Paar Model 55 densimeter. Apparent molar volumes, limiting partial molar volumes and transfer volumes have been calculated. Hydration numbers and volumetric interaction coefficients for amino acids were evaluated.

用Anton Paar DMA 55精密數(shù)字密度計(jì)測(cè)定了甘氨酸和L-絲氨酸在LiNO3亚洲日韩台湾精品尤物, NaNO3和KNO3水溶液中的密度女女同免费播放毛片视频,計(jì)算了氨基酸的表觀摩爾體積、極限偏摩爾體積久久精品囯产99精品亚洲、遷移偏摩爾體積欧美二级、理論水化數(shù)和體積作用系數(shù)。

The experiment results indicate that the best preparation condition is the sodium silicate concentration of 0.97 mol/L, the molar ratio of Al/Fe of 2:1~4:1, and the molar ratio of SiO2/ of 2:(2+1) at 30~40℃ for 20~30 min with activation pH of 5.0~6.0. At pH of 6~11, polysilicate aluminum ferrite chloride has the best flocculation performance.

研究結(jié)果表明:當(dāng)硅酸鈉濃度為0.97mol/L超级乱婬Av片无码,Si/為2:(2+1)日韩丝袜在线精品视频在线、Al/Fe為2:1~4:1時(shí)国产精品久久久久精品A级水多多,熟化溫度30~40℃、pH為5~6l欧美日韩一区二区乱码、熟化時(shí)間20~30min的條件下1024手机基地看人妻欧美,制備的聚硅酸氯化鋁鐵對(duì)于pH為6~11的生活污水的混凝處理效果最佳。

Polysilicate aluminum chloride flocculants of various molar ratio of Al to Si are prepared. The influence of ingredient molar ratio, pH value of waste water and the adding amount of flocculant is investigated in treating simulant rolling emulsion.

制備了不同Al/Si摩爾比的聚硅氯化鋁91最新黄色视频网资源,實(shí)驗(yàn)考察了成分摩爾比一级一级黄色网站、廢水pH值、藥劑投加量對(duì)除油效果的影響欧美性爱资源网。

A new polysilicate ferric aluminum was prepared by using water glass,ferric sulfate and aluminum sulfate as raw materials.The conditions of preparing PSFA were optimized: the polymerization degree of silicic acid is 0.5; the molar ratio of Fe3+ and Al3+ to SiO2 is 1: 1; the molar ratio of Fe3+ to Al3+ is 1: 1;and the degree of hydrolysis is 0.5;while the influence of the aging time on the coagulation property of PSFA is not obvious.

用水玻璃www.射、硫酸鐵和硫酸鋁制取聚硅酸鐵鋁混凝劑,確定了制備PSFA混凝劑的優(yōu)化條件:硅酸聚合度η為0.5欧美最猛性XXXXX69,F(xiàn)e3+及Al3+與SiO2的摩爾比為1: 1国产黃色在线观看, Fe3+與Al3+的摩爾比為1: 1,水解度B*為0.5亚洲精品中文字幕区,而熟化時(shí)間對(duì)PSFA混凝劑的混凝性能影響不明顯激情黄页免费网站。

Investigating the influences of processing parameters on the C/Si molar ratio of resulted nanosized SiC powders indicated that there was a direct pyrolytic reaction from DMS to SiC as well as the previous proposed two-step reaction. Under the optimized processing conditions, the silicon carbide powders of homogeneous particle size distribution, spherical shape and stoichiometrical C/Si molar ratio are obtained. The silicon carbide particle consists of β-SiC crystallite arranged randomly.

論文系統(tǒng)研究了工藝條件對(duì)產(chǎn)物粉體C/Si摩爾比、粉體顆粒尺寸和組成粉體的SiC微晶尺寸的影響日韩孕妇自拍视频网站大全免费观看;研究了粉體制備過(guò)程中可能發(fā)生的化學(xué)反應(yīng)草草影院在线观看,提出了反應(yīng)過(guò)程中除了分步進(jìn)行的生成SiC的反應(yīng)外,同時(shí)在高溫區(qū)還存在一步完成的生成SiC的化學(xué)反應(yīng)的觀點(diǎn)91自拍第1页;通過(guò)調(diào)整工藝參數(shù)91在线视频国产福利试看,制備得到了粉體尺寸分布均勻、呈均勻球狀国产精品秒播无毒不卡、C/Si摩爾比符合化學(xué)計(jì)量比的顆粒尺寸為40nm的納米SiC粉體无码国产原创日韩制服AV。

Molar-tooth structures refer to the aggregations of equal-axised or polygonal microspar calcite with a crystal size of 0.01mm and a clear boundary, which are mainly developed in the Precambrian fine-grained carbonate rocks. The morphology of Molar-tooth can be divided into ribboned, nodular and clastic forms.

臼齒構(gòu)造是特指那些發(fā)育在前寒武紀(jì)細(xì)粒碳酸鹽巖中有清晰邊界、粒度在0.01mm左右的由等軸或多邊形的微亮晶方解石組成的集合體亚洲视频一,一二一,其形態(tài)可分為條帶狀構(gòu)造超碰网站在线、瘤狀構(gòu)造及棱角碎塊狀構(gòu)造。

Results The SiO2-ZrO2 composites were calcined at 200℃ prior to sulfating, the concentration of sulfuric acid was 1.0 mol/L ,the molar ratio of Si and Zr was 15, the calcination temperature was 500℃, the molar ratio of ethynol and lactic acid is 3/1, the yield of the ester could reach 92.7%.

結(jié)果SO4^2-/SiO2-ZrO2固體超強(qiáng)酸催化乳酸乙酯的合成反應(yīng)適宜的反應(yīng)條件為:預(yù)焙燒溫度為200℃福利影院最新地址发布页,浸泡硫酸濃度為1.0mol/L狠狠操美女vs亚洲,硅鋯摩爾比為15,焙燒溫度為500℃色色亚洲色图一区,醇酸比為3時(shí)操碰免费视频在线观看,酯化率可達(dá)92.79/6。

Methods One band with a lingual button was bonded on the crown of lingual inclined lower second molar, then a removable, uprighter was put on, the tipping molar was uprighted by using buccal traction force produced by the latex elastics between the button and the hook of removable uprighter.

先在患牙上裝戴一焊有舌側(cè)扣的帶環(huán)白白色在线观看,再將預(yù)先制作好的帶頰側(cè)牽引鉤的下頜可摘式磨牙頰向豎直器裝戴就位国内最真实嫖妓啪对白视频,然后在舌側(cè)扣與矯正器的牽引鉤之間使用乳膠彈力圈對(duì)患牙進(jìn)行頰向牽引。待患牙扶正后再使用固定矯正器進(jìn)行精細(xì)調(diào)整在线视频国产高清。

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