查询词典 osmium

This technique involved the enclosure of the emulsion in small agar capsules, double fixation using glutaralde- hyde and osmium tetroxide and embedded in resin.

在稳定性研究中，首次将电导法用于静脉乳的凝聚动力学试验取得较好的结果，测得乳剂的凝聚过程为一级动力学过程，并求得凝聚活化能和半凝聚期。

The copolymers are oxidized with hydrogen peroxide in the presence of osmium tetroxide. It is confirmed by superscript 1H-NMR and FTIR that the double bonds in the molecule chains of the copolymers are fully oxidized, while the segments of polystyrene in the copolymers are kept intact.

采用双氧水在四氧化锇催化下对聚合物分子链进行氧化降解，1H-NMR和FT-IR分析表明共聚物中的双键被全部氧化并发生断裂，而共聚物中聚苯乙烯的链节并未被破坏。

Briefly, coronal brain sections (100 mm)were cut with a vibratome, postfixed with 4% glutaraldehydein 0.1 mmol/L cacodylate buffer (pH 7.4) for 1 h, andthen with 1% osmium tetroxide in 0.1 mmol/L cacodylatebuffer for 2 h. After rinsing with distilled water, the brainsections were treated with 1% aqueous uranyl acetateovernight, dehydrated in an ascending series of ethanolsto 100%, followed by dry acetone, and then embedded inDurcupan ACM. Ultrathin sections (0.1 mm) were cut andstained with 3% lead citrate and subsequently examinedwith a Zeiss transmission electron microscope (Zeiss Inc.,Thornwood, NY, USA).

简单的说，先用切刀制成100um的冠状脑切片，然后用含有4%戊二醛在0.1 mmol/L的二甲砷酸缓冲液(PH7.4)中固定1小时后，放在含有1%四氧化锇的0.1 mmol/L的二甲砷酸缓冲液中2小时，接着用蒸馏水冲洗后，放在1%的aqueous uranyl acetate中过夜，接下来用梯度酒精(至100%)脱水，然后用丙酮干燥，再用Durcupan ACM包埋，切成0.1um的超薄切片后用3%的lead citrate染色，随后用透射电子显微镜观察。

Results By using zinc-iodide-osmium staining, the tubulo-vesicular system of parietal cells of fundic gland was manifested as numerous fibrous structures under HVEM. The nematolysosomes was often demonstrated as branching in shape and anastomosed with each other making a network system in cytoplasm under the visual field of the three dimensional electron microscopy combined with AcPase cytochemistry.

结果高压电镜下显示，锌-碘-锇酸染色方法制备的标本胃底腺壁细胞的微管泡系统呈无数纤维状结构；AcPase结合三维电子显微镜观察显示，线性线粒体在胞质中常呈分支状并互相吻合成网。

The osmium vapor has the violent poisonousness, will stimulate the human eye intensely the mucous membrane, will be serious when will create loses one's sight.

锇的蒸气有剧毒，会强烈地刺激人眼的粘膜，严重时会造成失明。

The preferred organometallic compounds of the present invention are of the formula (R1)m M(PR23)x, where M is a metal selected from the group consisting of manganese, technetium, rhenium, iron, cobalt, nickel, ruthenium, rhodium, palladium, osmium iridium and platinum wherein m is 0, 1, 2, 3 or 4; x is 2, 3, 4 or 5 and m+x are 2, 3, 4, 5, 6, 7 or 8, m and x selected according to each metals appropriate valence; each R1 is independently selected from the group consisting of hydrogen, deuterium, N2, H2, D2 and a variety of substituted alkyl groups; each R2 is independently selected from the group consisting of lower alkyl, aryl, arylalkyl, and alkyl-Z, aryl-Z and arylalkyl-Z where Z is selected from the group consisting of oxy, silyl, siloxy, oxysilyl, siloxy, oxysiloxy, silyalkyl, oxysilylalkyl, siloxyalkyl, oxysiloxyalkyl, silylalkoxy, silylalkoxy, siloxyalkoxy and oxysiloxyalkoxy; and wherein when M is cobalt and one group R1 is selected to be N2, then m is 2 and the second group R1 is hydrogen or deuterium.

有机化合物的首选本发明的配方是米(R1代)米×(pr23)、那里是一米的金属挑选出来，第一组由锰、锝、铼、铁、钴、镍、钌、铑、钯、锇、铱铂其中M是0、1、2、3或4； X是2，3， 4或5米×+有2，3，4，5，6，7或8 米和X挑选合适的价按每个金属； R1的是每一组由独立选自氢、氘、氮、氢气、 D2和各种烷基取代群体； R2中的每个组由独立选自烷基低、芳、芳基烷基、烷基的Z、芳基、芳基烷基的Z-那里的ZZ是选自组风、含硅、氧、oxysilyl、硅、oxysiloxy，silyalkyl， oxysilylalkyl，siloxyalkyl，oxysiloxyalkyl，silylalkoxy，silylalkoxy，siloxyalkoxy和oxysiloxyalkoxy；其中，M是当钴一派R1的选择是氮气、然后是2米，第二组R1的氘是氢或者。

The company has 4000 square meters production workshop, advanced professional production equipment, excellent head unloading Po Sheng Yu starlings úú Trapa natans osmium sendòyarn twist T úú· Jiao Jian Gui save species of persimmon ugly anti-Di Fuí?

公司拥有4000平方米的生产车间，国内先进的专业生产设备，优秀目蒲卸游椋晟芰纱锇送蛘拧T谏矫妫救媸迪种柿抗芾恚？

The chlorin e6 7 and chiorin 11 were oxidized further with osmium oxide in the same oxidization condition to yield bateriochlorin 8 and 12, respectively.

卟吩醛2在碱性条件下转化为卟吩e6三甲酯7，2与烷基溴化镁的格氏反应给出脱镁叶绿酸醇9，选择高钌酸四丙基铵和N-甲基吗啉N-氧化物将3-位羟基氧化成羰基，所生成的卟吩二酮10在酸性条件下脱去甲酸甲酯生成焦脱镁叶绿酸衍生物11，用四氧化锇对7和11实施氧化，则分别转化为细菌卟吩衍生物8和12。

The methyl pheophorbide-a (5) was oxidized with osmium oxide and sodium periodate to give chlorin 8 which was converted into aldehyde purpure-18 (9) and purpure-7 trimethyl ester (10) by air-oxidation in butanol in the presence of sodium.

选用四氧化锇和高碘酸钠将5氧化成卟吩醛(8)，在丁醇中以丁醇钠作催化剂， 8的氧化和重排反应给出3-甲酰基紫红素-18酯(9)和紫红素-7三甲酯衍生物10。

The company integrates production and sales in the one-stop, operates mainly in the following items and product one, precious metal chemical raw materials: Rhodium powder, palladium powder, iridium powder, ruthenium powder, platinum powder, gold powder, rhenium powder, osmium powder, silver bullion, silver grain, Yang Polar silver plate, palladium chloride, 59.5%, ammonium chloride, palladium 50.3%, K Wong, fill port, K White fill port, 925 silver fill port, K gold solder films and so on.

公司集生产与销售于一条龙，主要经营以下项目与产品一、贵金属化工原料：铑粉、钯粉、铱粉、钌粉、铂粉、金粉、铼粉、锇粉、银锭、银粒、阳极银板、氯化钯59.5％、氯化铵钯50.3%、K黄补口、K白补口、925银补口、K金焊片等。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。