查询词典 activity
- 与 activity 相关的网络例句 [注:此内容来源于网络,仅供参考]
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The results of activity energy calculation were abserved as that, compared with that of the control, cineol and menthanol decreased activity energy of model drug permeation, menthone didn't change it, while bornel, camphor and bisaborlol increased activity energy.Two systems of microemulsion components were selected according to the results of solubility research of model drug in oil phase mixture, and the pseudo ternary phase diagram of them were draw.
活化能实验结果表明,桉树脑和薄荷醇显著减小模型药物透皮活化能,薄荷醇与对照组比较没有显著差异,冰片、樟脑和红没药醇存在下,药物的透皮活化能显著增加。
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The experiments of the biological activity for target molecula were accomplished. The experiment results of inhibiting activity against COX-2 indicated that the compound TM-II-5f had the highest inhibition rate, up to 95.59%, and yet the compound TM-II-5g exhibits weakly inhibiting activity.
对目标产物TM-II-5a~5g进行了生物活性研究,人环氧酶-2(COX-2)活性抑制实验结果表明:目标产物TM-II-5f对人环氧酶-2(COX-2)有很强的抑制活性,抑制率高达95.59%,目标产物TM-II-5g具有较弱的抑制率(0.61%)。
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The analytical results have shown that p ro ducts mainly consisted of some monosubstituted, disubstituted and a few trisub stituted naphthalenes. Except the low activity of HZSM-5 catalyst, all other z eolite catalysts have higher activity. HY and Hβ catalytic activities were the highest, and their naphthalene conversions attained to 79.12 and 55.79 percent respectively, but their selectivities for 2-isopropylnaphthalene, 2,6-diisopropylnaphthalene(2,6-DIPN) and 2,7-diisopropylnaphthalene ( 2,7-DIPN) were too low. ZM catalysts had good activity and much better selecti vity, especially for ZM4-3, of which its 2,6-DIPN/2,7-DIPN ratio was 2.97. Th er efore, some zeolite catalysts are recommended for shape selective isopropylat ion of coal tar naphthalene.
研究结果表明,煤焦油萘异丙基化产物主要由一取代萘、二取代萘以及少量三取代萘组成;除HZSM-5活性较低以外,其它催化剂均有较高的反应活性,其中HY和Hβ反应活性最高,萘转化率分别达75.15%和55.96%,但β位产物的选择性较差;ZM类催化剂既有一定的活性,又有较高的β选择性,是萘择形异丙基化反应理想的备选催化剂。
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As to MNa-ZSM-5, the order is CuNa-ZSM-5〓AgNa-ZSM-5>CeNa-ZSM-5> CoNa-ZSM-5〓FeNa-ZSM-5>Na-ZSM-5. Among the samples tested, CoHZSM-5 shows the highest activity, the conversion of NO is about 60%, and the activity is higher than that of CoNa-ZSM-5 with the same exchanged level. Suggests that the exist of some Bronsted acidity is benefited for this reaction. For Fe-ZSM-5, the activity are changed obviously with the various of preparation condition. It was also found that mordenite zeolite is a good support for this reaction.
其中,Co-HZSM-5表现出最佳的反应活性,NO的最高转化率达60%以上,并且活性明显高于具有相同交换度的CoNa-ZSM-5,表明适量的酸中心存在有利于该反应的进行;对于Fe-ZSM-5,制备条件不同Fe-ZSM-5的反应活性影响很大,反应的活性中心应是处在交换位上的铁离子;另外,通过考察不同载体对铁离子交换分子筛催化剂反应性能的影响,发现丝光分子筛也是较好的催化剂载体。
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It's founded that Pistia stratiotes' soluble protein content,proline,peroxidase and catalase increased first and decreased afterwards with the augmenting of Cd2+ and Cr6+ concentration in the solution;With Cd2+ and Cr6+ concentration augmenting,SOD activity of Pistia Stratiotes increased first and decreased afterwards;But with Cd2+ Concentration augmenting, SOD Activity of Myriophyllum spicatum increased first and decreased afterwards; with Cr6+ concentration augmenting,SOD activity Myriophyllum spicatum droped at all times.
结果表明:随着水体Cd2+和Cr6+浓度的增加,大薸和穗状狐尾藻的可溶性蛋白含量、脯氨酸、叶绿素、丙二醛含量、硝酸还原酶活性、过氧化物酶活性、过氧化氢酶活性都是先升高后降低;随着Cd2+和Cr6+浓度的增加大薸超氧化物歧化酶活性先升后降;而穗状狐尾藻随着Cd2+浓度的增加SOD活性先升后降,随着Cr6+浓度的增加,SOD活性直线下降。
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Trends of overground physiological and biochemical indexs are almost the same—weak soil Naphthalin pollution stress stimulate them,strong pollution restrain stress them. In the first two weeks of seeding stage weak soil Naphthalin pollution stimulate root activity,but soil Naphthalin pollution stress restrain root activity from the second week till jointing stage, In corn grouting stage soil Naphthalin pollution stress stimulate root activity.
部分的生理生化指标都有促进作用,而高浓度的土壤萘污染胁迫对玉米地上部分的生理生化指标有抑制作用;苗期的前两周低浓度土壤萘污染胁迫对玉米的根系活力有促进作用,苗期第三周到拔节期土壤萘污染胁迫抑制玉米的根系活力,而到了用营养生长到以生殖生长为中心的灌浆期土壤萘污染对玉米的根系活力有促进作用。
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Pharmacological activity test in vitro All target compounds and PFT-αwere assessed for their ability in vitro to protect PC12 cells against H2O2 induced apoptosis through MTT methods. The results suggested that compound 3a, 3b and 3c have dual activity of neurotrophy and apoptosis inhibiting activity on oxidation stress damaged PC12 cell.
三、抗神经细胞凋亡实验对目标化合物都进行了体外药理活性试验:以H2O2为凋亡诱导剂损伤PC12细胞构建氧化应激损伤的凋亡细胞模型,用MTT法考察目标化合物对H2O2诱导的神经细胞凋亡的抑制作用。
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The invention relates to a dyeing liquor used to discriminate the protozoan cell activity, a method to discriminate the protozoan cell activity and the application of the method to discriminate activity of nosema bombycis.
本发明属于细胞活力检测领域,特别涉及一种用于鉴别原虫细胞活力的染色液及一种鉴别原虫细胞活力的方法及该方法在鉴别家蚕微孢子虫活力中的应用。
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Based on relative literatures,this part has included five resesearch aspects as below.1 Fifteen compounds were isolated and purified by extraction,column chromatography,and their structures were determined on the basis of spectral analysis: acteoside(Ⅰ-1),isoacteoside(Ⅰ-2),crenatoside(Ⅰ-3),cistanoside F(Ⅰ-4),sinapoyl-4-O-β-D-glucoside(Ⅰ-5),adenosine(Ⅰ-6),β-siterol(Ⅰ-7),oleanic acid(Ⅰ-8), succinic acid(Ⅰ-9),caffeic acid(Ⅰ-10),protocatechuic aldehyde(Ⅰ-11),p-hydro xybenzyl alcohol(Ⅰ-12),β-daucosterol(Ⅰ-13),D-galacitol(Ⅰ-14),D-mannitol(Ⅰ-15).Ⅰ-4~15 were obtained from this plant for the first time,andⅠ-6,7,9,and 13 were isolated from Orobanche genus for the first time.2 The scavenging test of DPPH showed that most compounds have comparative antioxidant activity as L-ascorbic acid and part of them show better activity such as the O.coerulescens extract and phenylethanoid glycosides.Acteoside showed potent free radical scavenging effects with a median inhibition concentration of 25.6μg/ml.3 The anti-HBV activities of acteoside,isoacteoside and crenatoside were measured,and all of them showed suppressive activity on the expression of HBsAg and HBeAg in the HepG2.2.15 cell line.
本论文在文献调研基础上对紫花列当化学成分及生物活性进行了研究,并从免疫抗病毒角度探讨紫花列当中特征性成分类叶升麻苷的肝保护作用及其机制。1采用大孔树脂、硅胶和Sephadex LH-20等色谱技术对紫花列当进行系统的植物化学研究,从中分离得到19个化合物,利用UV和NMR等波谱手段及理化性质鉴定了其中的15个化合物,分别为类叶升麻苷(Ⅰ-1)、异类叶升麻苷(Ⅰ-2)、crenatoside(Ⅰ-3)、cistanoside F(Ⅰ-4)、sinapoyl-4-O-β-D-glucoside(Ⅰ-5)、腺苷(Ⅰ-6)、β-谷甾醇(Ⅰ-7)、齐墩果酸(Ⅰ-8)、琥珀酸(Ⅰ-9)、咖啡酸(Ⅰ-10)、原儿茶醛(Ⅰ-11)、对羟甲基苯甲酸(Ⅰ-12)、β-胡萝卜苷(Ⅰ-13)、D-半乳糖醇(Ⅰ-14)和甘露醇(Ⅰ-15除化合物Ⅰ-1、Ⅰ-2和Ⅰ-3外,其余化合物均为首次从该植物中分离得到。2)通过大孔树脂富集该药材有效部位苯乙醇总苷,并采用HPLC测得其所含特征性成分类叶升麻苷的含量可达80%以上。3DPPH自由基清除试验显示紫花列当提取物及其所含的苯乙醇苷类化合物均具有较好的抗氧化能力,其清除DPPH自由基能力接近于抗坏血酸。4采用卡介苗整体致敏、脂多糖离体攻击构建大鼠原代肝细胞免疫性损伤模型,在体外观察类叶升麻苷的保肝作用。
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The secondary root number per plant of Yumai No 49,a mi d-s trength quality wheat,is the smallest among the three varieties except the winte r stage but its root system quality is the best;the intensity of reducing TTC an d the activity of SOD of fresh wheat root are the highest during the period fro m winter stage to flag leaf stage.Since flag leaf stage,its physiological charac ters are weaker and have bigger variation during whole stage.The secondary root number per plant of Yumai No 50,a soft quality wheat,is the biggest except duri ng winter stage,and its dry weight of root of single plant is the heaviest in ev ery stage.Before 19th,March,its intensity of reducing TTC is the weakest and dec reases abruptly after flag leaf stage,but its activity of SOD decreases slowly.R oot dry weight per plant of Yumai No 34,a high quality wheat,is the smallest amo ng the three varieties and its root system quality is the weakest.Before jointin g stage,the intensity of reducing TTC is stronger,but after that,it decreases sl owly though it is smaller,and the activity of SOD decreases slowly in every stag e.
中筋小麦豫麦49号除越冬初期外,其它各时期单株次生根条数均为最少,单株根干重介于豫麦34号及豫麦50号之间,单根质量高;越冬初期至挑旗期,根系活力、根中SOD活性均强于其它两个品种,挑旗后,根系生理活性较小,整个生育期根系生理活性变化幅度大;弱筋小麦豫麦50号除越冬初期外,其它各时期单株次生根条数均最多,单株根干重各时期均为最大;拔节前根系活力最弱,挑旗后根系活力下降幅度较大,根中SOD活性较强且各时期变化幅度不大;强筋小麦豫麦34号,单株根干重最小,根系质量最差;拔节前根系活力较强,拔节后根系活动较弱,下降速度缓慢,根中SOD活性各时期变化幅度较小。
- 相关中文对照歌词
- Activity Grrrl
- Activity Grrl
- The Unshockable
- Party Political
- Yoncé / Partition
- Deliverance Is Mine
- Toxicity
- Cali Iz Active
- Exercise
- Purgatorying
- 推荐网络例句
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In the chapter 2, the theoretic knowledge about the photosensitive resin and the grinding tools was firstly introduced.
第二章阐述了光固化树脂结合剂磨具的相关理论研究。
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Do not use the program's indenting or margin-setting features; these will be added during typesetting.
不要使用缩排,页面边缘设置之类的选项,偶看不大懂。
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All booked shows will go on as scheduled with a session bassist.
经历了近10年的巡演生活,因为我个人的原因我选择离开乐队。