The results show that the penetration ratio decreases with increase of filtration velocity, the range of the most penetrating particle size is in the range of 0.15～0.20 μm, the effect of aerosol concentration on the filtration efficiency is ignore for monodisperse, the filtration efficiency of each step on multilayer is different from others for polydisperse.

研究結(jié)果表明：用玻璃纖維膜過濾清除氣溶膠團粒時992人人tv，對粒徑在 0 15～ 0 。2 0 μm之間的團粒較難清除久久香蕉国产线看观看8黑人；透過率隨流速的增加而增加iGAo视频网站在线观看；單分散氣溶膠團粒濃度變化對過濾效率的影響可忽略不計黄色网视频免费观看；多級過濾時，各單級過濾效率差異受多分散氣溶膠的影響較大黄网站毛片。

Fromthe point of view of chemical components,α-cellulose content for differentage-degrees bamboo is mostly the same,slightly increasing with the growth ofage,lignin content increases with the growth of age,the contents of extract,hemicellulose,polysaccharose,mineral elememts decrease with the growth ofage;the result shows the electric conductivity of bamboo is mainly decided bythe content of mineral elements,with the growth of age,volume resistivitybecomes great.pH value shows acid,acidity decreases with the growth of age,this is mainly due to the decrease of fraction of bamboo parenchyma with thegrowth of age.

從化學(xué)成分角度來說日本公妇中字在线观看，不同年齡竹材α-纖維素含量差異不大，一般隨著年齡增大而增大毛片福利导航免费；木質(zhì)素含量隨著年齡增大而增大欧美老妇尻屄；抽提物、半纖維素女人啪啪视频、聚戊糖欧美涩涩视频、灰分含量隨著年齡增大而降低；研究表明竹材的導(dǎo)電性主要由礦質(zhì)元素含量大小決定免费的黄色网站能看A片，隨著年齡增大唐人呦一呦二在线播放，體積電阻率越來越大；pH值呈酸性三级黄,色，酸性隨著年齡增大而減弱久久惹99精品，這主要由于竹材薄壁組織比量隨著年齡增加而減少，內(nèi)含物如淀粉減少色e网，導(dǎo)致酸性減弱国产乱子露脸久久。

The experimental results show that the polytropic index of compression process of dual fuel engine decreases linearly while the ignition delay increases with the increase of the methanol mass fraction.

在一臺TY1100直噴柴油機進氣管上安裝一套電控甲醇低壓噴射裝置，進行了柴油引燃甲醇雙燃料發(fā)動機著火滯燃期的試驗研究日本jizzjizz。

The results of tests on the core material of Nuozadu rockfill dam indicate that the tensile strength of cohesive soil increases with the increase of dry density and preconsolidation pressure, but decreases with the increase of water content.

試驗結(jié)果表明无码操人视频，土的抗拉強度隨著干密度和前期固結(jié)應(yīng)力的增加而增加，隨著含水率的增加而減小91久久婷婷人人澡人人澡。

It is shown that the cyanate resin has low cure reactivity and high flowability, so the resin flow can not be controlled easily. The precure process makes the resin cure to a certain extent, decreases resin flowability, improves resin processability significantly, and enhances the composite laminates quality.

研究結(jié)果表明黑人欧美视频巨粗巨大巨硬，該氰酸酯樹脂反應(yīng)活性低且流動性高，熱壓工藝中樹脂流動不易控制777性视频；預(yù)固化可使氰酸酯樹脂發(fā)生一定程度的自聚反應(yīng)黄色网站免费提供免费服务，從而降低其流動性，可明顯改善氰酸酯樹脂的工藝性日韩精品激情视频网站在线观看，提高了層板的成型質(zhì)量人人操人人摸人人干人人看。

Additionally , optometrists should inform patients of the potential presence of presbyopic symptoms or night glare as well as potential decreases uncorrected distance vivion after undergoing the lsik procedure.

另外，視光師應(yīng)當(dāng)告知患者亚洲欧美小说图片，術(shù)后裸眼遠視能力的可能下降一级一区黄色，遠視的出現(xiàn)以及夜間眩光出現(xiàn)的可能性。

It was found that percentage recovery decreases with the increasing of prestrain and increases with the increasing of annealing temperature and there is a higher percentage recovery when up to 600℃ of annealing temperature.

實驗表明激情图片视频，合金的形狀回復(fù)率隨預(yù)變形量的增加而減惺怂瓴荒芸吹幕粕尽；形狀回復(fù)率隨回復(fù)溫度的升高而增大色综合欧美色综合七久久，且在600℃左右達到最大值欧美操女视频；熱-機械訓(xùn)練可以明顯提高合金的形狀記憶效應(yīng)国产成人久久精品二区三区。

The recovery stress rate of the TiNi alloy increases with increasing prestrain level, but that of the TiNiCu alloy decreases with increasing prestrain level.

對于TiNi合金，回復(fù)力隨溫度增長的速率隨著預(yù)應(yīng)變的增加而增加91伊人精品，而TiNiCu合金的回復(fù)力隨溫度增長的速率隨著預(yù)應(yīng)變的增加而減小看免费黄色网站看黄色免费网站。

Whereas levels of sedation were similar between groups at each observational time point, decreases in HR and MBP from presurgery baseline during the 1-4 h postoperative period were significantly enhanced in group D patients (by a range of 5-7 bpm and 10-13%, respectively).

雖然在每個觀察記錄的時間點，兩組術(shù)后鎮(zhèn)靜的程度相似欧美激情男操女网站，但是D組在術(shù)后1至4小時的心跳及血壓與其術(shù)前相對基準(zhǔn)值之差欧美影院成年免费版视频在线播放，兩者下降的程度皆比M組來得明顯下降范圍分別為每分鐘5-7次與10-13%）。

Under hypoxic conditions,prolyl hydroxylase activity decreases because they require oxygen as a co-factor and the HIF-1αprotein is stabilized.HIF-1αstabilization is followed by activation of the transcription of numerous target genes such as vascular endothelial growth factor,erythropoietin,and glucose transporter 1 (Glut-1) that are involved in angiogenesis,erythropoiesis,energy metabolism and cell survival.

但是99热在线观看精品免费，MSCs改善心功能的能力有限在线播放最新国产精品，大量的證據(jù)表明MSC移植對心功能的改善是輕中度的，大部分研究結(jié)果顯示MSCs移植對心功能的改善只有5-6%左右性无码在区，甚至有些臨床試驗沒有觀察到心功能的改善欧美日韩黄色三级久久，這遠遠達不到我們的預(yù)期，其中一個很重要的原因是絕大多數(shù)的細胞移植到體內(nèi)后在很短的時間內(nèi)發(fā)生死亡久久中国一级黄色片，研究報道90%的MSCs在移植后的1天內(nèi)死亡藏精阁无码一区二区在线。