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The La-ICP-Ms U-Pb zircon isotopic dating of granitic mylonites from that shear zoneprovides a magma crystallization age of 914.2-981Ma and indicates they are theNeoproterozoic products of tectonic-magmatic thermal events and the responses to theaggregation of Rodinia Super-continent in this area.

运用LA-ICP-MS法对韧性剪切带内的花岗质糜棱岩进行了锆石U-Pb定年,获得其原岩结晶年龄为914.2~981Ma,显示出均为新元古代早期构造岩浆活动产物,是全球Rodinia超大陆聚合在本区的响应。

The red pigment in Parma ham was Zn-protoporphyrin Ⅸ according to the absorption spectra, fluorescent, HPLC, and electrospray ionization high resolution mass spectrometry analysis of the red pigment in Parma ham.

根据巴马火腿红色色素的吸收光谱、荧光光谱、高压液相色谱和高分辨率电喷雾电离质谱,证实了巴马火腿的红色色素是锌-原卟啉Ⅸ。

AIM To investigate the relationship between urokinase type plasminogen activator activity and the malignant biological behavior of human gliomas.

目的 研究尿激酶型纤溶酶原激活因子与人脑胶质瘤恶性生物学行为的关系。

Functional analyses demonstrated that adrenomedullin, a asodilatory hormone, synergized with stem cell factor and Flt-3 ligand to induce the proliferation of primitie human CD34+CD38–lin– cells and promoted the expansion of CD34+ progenitors in culture.

功能学分析显示肾上腺髓质素能够与干细胞因子及Flt-3配体协同作用从而促进原代培养的人CD34+CD38–lin–细胞增殖以及CD34祖细胞的扩增。

In male, three kinds of sex steroid receptors were distributed in the spermatogonia, spermatocytes and spermatids, and the positive reaction was localized in the cytoplasm and nucleus of these spermatogenic cells.

在雄性,3种类固醇激素受体分布在不同发育时期的精原细胞、精母细胞和精子细胞中,受体阳性物定位在胞质和核。

The effects and mechanism of GABAergic neurons, NOergic neurons, opioid peptide and cyclic adenosine monophosphate in the nucleus reticularis thalami on sleep-wakefulness cycle of rats and the effects and mechanism of the 5-HTergic nerve fibers project from the nucleus raphes dorsalis to RT on sleep-wakefulness cycle of rats were investigated with the methods of brain stereotaxic, nucleus spile, microinjection and polysomngraphy.1. The effects of GABAergic neurons in RT on sleep-wakefulness cycle of rats1.1 Microinjection of 3-mercaptopropionic acid (3-MP, a kind of glutamate decarboxylase inhibitor) into RT. On the day of microinjection, sleep only decreased a litter. On the second day, sleep marked decreased and wakefulness marked increased. On the third and fourth day, sleep and wakefulness stages resumed to normal.1.2 Microinjection of gamma-amino butyric acid (GABA 1.0μg) into RT enhanced sleep and reduced wakefulness compared with control; while microinjection of L-glutamate (L-Glu, 0.2μg) decreased sleep and increased wakefulness; microinjection of bicuculline (BIC, 1.0μg), a GABAA receptor antagonist, enhanced wakefulness and reduced sleep; microinjection of baclofen (BAC, 1.0μg), GABAB receptor agonist, had the same effects as GABA.2. The effects of NOergic neurons in RT on sleep-wakefulness cycle of rats2.1 Microinjection of L-arginine (L-Arg, 0.5μg) into RT decreased sleep compared with control, but there were on statistaical difference between L-Arg group and control; while microinjection of sodium nitroprusside (SNP, 0.2μg), a NO donor into RT, sleep marked decreased and wakefulness marked increased. Microinjection of nitric oxide synthase inhibitor, N-nitro-L-arginine (L-NNA, 2.0μg) into RT enhanced sleep and reduced wakefulness.2.2 After simultaneous microinjection of L-NNA (2.0μg) and SNP (0.2μg) into RT, SNP abolished the sleep-promoting effect of L-NNA compared with L-NNA group; after simultaneous microinjection of L-NNA (2.0μg) and L-Arg(0.5μg) into RT, we found that L-NNA could not blocked the wakefulness-promoting effect of L-Arg.3. The effects of opioid peptide in RT on sleep-wakefulness cycle of rats3.1 Microinjection of morphine sulfate (MOR, 1.0μg) into RT increased wakefulness and decreased sleep compared with control; while microinjection of naloxone hydrochloride (NAL, 1.0μg), the antagonist of opiate receptors, into RT, enhanced sleep and reduced wakefulness.3.2 After simultaneous microinjection of MOR (1.0μg) and NAL (1.0μg) into RT, the wakefulness-promoting effect of MOR and the sleep-promoting effect of NAL were not observed compared with control.4. The effects of cAMP in RT on sleep-wakefulness cycle of rats Microinjection of cAMP (1.0μg) into RT increased sleep and decreased wakefulness compared with control; microinjection of methylene blue (MB,1.0μg) into RT enhanced sleep and reduced wakefulness compared with control.5. The effects of the 5-HTergic nerve fibers project from DRN to RT on sleep-wakefulness cycle of rats5.1 When L-Glu (0.2μg) was microinjected into DRN and normal sodium (NS,1.0μg) was microinjected into bilateral RT. We found that sleep was decreased and wakefulness was increased compared with control; when L-Glu (0.2μg) was microinjected into DRN and methysergide (MS,1.0μg), a non-selective 5-HT antagonist, was microinjected into bilateral RT, We found that sleep was enhanced and wakefulness was reduced compared with L-Glu group.5.2 When p-chlorophenylalanine (PCPA, 10μg) was microinjected into DRN and NS (1.0μg) was microinjected into bilateral RT, We found that sleep was increased and wakefulness was decreased compared with control; microinjection of 5-hydroxytryptaphan (5-HTP, 1.0μg), which can convert to 5-HT by the enzyme tryptophane hydroxylase and enhance 5-HT into bilateral RT, could block the effect of microinjection of PCPA into DRN on sleep-wakefulness cycle.

本研究采用脑立体定位、核团插管、微量注射、多导睡眠描记等方法,研究丘脑网状核(nucleus reticularis thalami,RT)中γ-氨基丁酸(gamma-amino butyric acid ,GABA)能神经元、一氧化氮(nitrogen monoxidum,NO)能神经元、阿片肽类神经递质、环一磷酸腺苷(cyclic adenosine monophosphate,cAMP)及中缝背核(nucleus raphes dorsalis,DRN)至RT的5-羟色胺(5-hydroxytryptamine,5-HT)能神经纤维投射对大鼠睡眠-觉醒周期的影响及其作用机制。1 RT内GABA能神经元对大鼠睡眠-觉醒周期的影响1.1大鼠RT内微量注射GABA合成关键酶抑制剂3-巯基丙酸(3-MP,5μg),注射当天睡眠时间略有减少,第二日睡眠时间显著减少,觉醒时间明显增多,第三、四日睡眠和觉醒时间逐渐恢复至正常。1.2大鼠RT内微量注射GABA受体激动剂GABA( 1.0μg)后,与生理盐水组比较,睡眠时间增加,觉醒时间减少;而RT内微量注射L-谷氨酸(glutamic acid, L-Glu, 0.2μg)后,睡眠时间减少,觉醒时间增加;RT内微量注射GABAA受体阻断剂荷包牡丹碱(bicuculline,BIC,1.0μg)后,睡眠时间减少,觉醒时间增加;RT内微量注射GABAB受体激动剂氯苯氨丁酸(baclofen,BAC,1.0μg)后,产生了与GABA相似的促睡眠效果。2 RT内NO能神经元对大鼠睡眠-觉醒周期的影响2.1大鼠RT内微量注射NO的前体L-精氨酸(L-Arg,0.5μg)后,与生理盐水组对比,睡眠时间略有减少,但无显著性意义;而RT内微量注射NO的供体硝普钠(Sodium Nitroprusside,SNP,0.2μg)后可明显增加觉醒时间,缩短睡眠时间;微量注射一氧化氮合酶抑制剂L-硝基精氨酸(L-arginine,L-NNA,2.0μg)后,引起睡眠时间增多,觉醒时间减少。2.2大鼠RT内同时微量注射L-NNA(2.0μg)和SNP(0.2μg)后与L-NNA组比较发现SNP逆转了L-NNA的促睡眠作用;RT内同时微量注射L-NNA(2.0μg)和L-Arg(0.5μg)后,与L-NNA(2.0μg)组比较发现L-Arg可以增加觉醒而缩短睡眠,其促觉醒作用未能被NOS的抑制剂L-NNA所逆转。3 RT内阿片肽对大鼠睡眠-觉醒周期的影响3.1大鼠RT内微量注射硫酸吗啡(morphine sulfate,MOR,1.0μg)后与生理盐水组对比,睡眠时间减少而觉醒时间增加; RT内微量注射阿片肽受体拮抗剂盐酸纳洛酮(naloxone hydrochloride,NAL,1.0μg)后与生理盐水组比较,睡眠时间增加而觉醒时间减少。3.2大鼠RT内同时微量注射MOR(1.0μg)和NAL(1.0μg)后,与生理盐水组对比,原有的MOR促觉醒效果和NAL的促睡眠效果都没有表现。4 RT内环一磷酸腺苷信使对大鼠睡眠-觉醒周期的影响大鼠RT内微量注射cAMP(1.0μg)后与NS(1.0μg)组比较,睡眠时间增多而觉醒时间减少;RT内微量注射亚甲蓝(methylene blue,MB,1.0μg)后,与NS组比较,睡眠时间增多而觉醒时间减少。5中缝背核投射到丘脑网状核的5-羟色胺能神经纤维对大鼠睡眠-觉醒周期的影响5.1大鼠DRN内微量注射L-Glu(0.2μg),同时在双侧RT内微量注射NS (1.0μg)后,与对照组(DRN和双侧RT注射NS, 0.2μg)比较,睡眠时间减少,觉醒时间增多;大鼠DRN内微量注射L-Glu(0.2μg),同时在双侧RT内微量注射二甲基麦角新碱(methysergide, MS, 1.0μg )后,与对照组(DRN注射L-Glu 0.2μg,双侧RT注射NS 1.0μg)比较,睡眠时间增多,觉醒时间减少。5.2大鼠DRN内微量注射对氯苯丙氨酸(p-chlorophenylalanine,PCPA,10μg),同时在双侧RT内微量注射NS (1.0μg)后,与对照组(DRN和双侧RT注射NS, 1.0μg)比较,睡眠时间增多,觉醒时间减少;大鼠DRN内微量注射PCPA(10μg),产生睡眠增多效应后,在双侧RT内微量注射5-羟色胺酸(5-hydroxytryptaphan , 5-HTP, 1.0μg )后,与对照组(DRN注射PCPA 10μg,双侧RT注射NS 1.0μg)比较,睡眠时间减少,觉醒时间增多。

This month's gluten free recipe features a celiac and food allergy friendly pasta sauce that utilizes fresh veggies pureed into a smooth tomato sauce.

这个月的不含麸质食谱不仅满足了肚子的需要,而且采用非食物过敏原的面食。将新鲜的蔬菜煮成浓汤,加入番茄酱。

Objective To acquire enough envelope glycoproteins so as to facilitate a further study of the structure and function of envelope glycoproteins from various kinds of virus isolates. Methods Two envelope glycoprotein gene fragments were cloned from the recombinant plasmid pHXB2 containing the human immunodeficiency virus 1(HIV-1) proviral genome of HXB2 isolate.

目的 获得足够量的膜糖蛋白,以便于对不同HIV分离株膜糖蛋白的结构与功能进行进步的研究方法从人免疫缺陷病毒1(HIV-1)HXB2分离株原病毒基因组的重组质粒pHXB2中克隆了两段膜糖蛋白基因片段。

Methods Two envelope glycoprotein gene fragments were cloned from the recombinant plasmid pHXB2 containing the human immunodeficiency virus 1(HIV-1) proviral genome of HXB2 isolate.

从人免疫缺陷病毒1(HIV-1)HXB2分离株原病毒基因组的重组质粒 pHXB2中克隆了两段膜糖蛋白基因片段。

Methods Two envelope glycoprotein gene fragments were cloned from the recombinant plasmid pHXB2 containing the human immunodeficiency virus 1(HIV-1) proviral genome of HXB2 isolate.

从人溃疡免疫缺陷病毒发烧1(HIV-1)HXB2分离株原病毒发烧基因组的重组质粒pHXB2中克隆了两段膜糖蛋白基因片段。

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推荐网络例句

As she looked at Warrington's manly face, and dark, melancholy eyes, she had settled in her mind that he must have been the victim of an unhappy attachment.

每逢看到沃林顿那刚毅的脸,那乌黑、忧郁的眼睛,她便会相信,他一定作过不幸的爱情的受害者。

Maybe they'll disappear into a pothole.

也许他们将在壶穴里消失

But because of its youthful corporate culture—most people are hustled out of the door in their mid-40s—it had no one to send.

但是因为该公司年轻的企业文化——大多数员工在40来岁的时候都被请出公司——一时间没有好的人选。