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The influences of different surfactants (sodium dodecyl sulfate, sodium cholate and sodium deoxycholate), different electrolytes (sodium phosphate monobasic, sodium tetraborate and 3-cyclohexylamino-1-propane sulfonic acid), buffer pH and organic modifiers on the determination of sialic acid were studied.
其次建立了一种测定唾液酸的在线富集CZE法,该方法用40 mM磷酸二氢钠为缓冲溶液电解质,通过将样品溶解在乙腈:水=2:1的样品基体中,进样时间增加到100 s来达到样品富集的效果,并考察了样品基体中乙腈浓度和进样时间对富集效果的影响,研究了用硼砂或3-环己胺-1-丙烷磺酸作为电解质、缓冲溶液pH值和有机修饰剂的加入对唾液酸检测的影响。
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For Southwestern Margin of Aqikekule Lake ophiolite, their field geological, petrological, minerological, petrochemical and geochemical characteristics show that:① it outcropped as tectonic slices along the near west-to-east strike Kunzhong fault and is composed of metamorphic perodotties, cumulates and volcanic rocks, in which, chromites are distributed in the upper part of metamorphic peridotites as pods, or in the lower part of cumulates as near-strata;② metamorphic peridotites include serpentinites, chromite-bearing serpentinites, chlorite-epidote schists and chromitites, of which, chromitites have nodular and orbicular structure, and cumulates include pyroxenits, serpentinites, chromite-bearing serpentinites, chromites and metamorphically mafic rocks and only basalts are seen in volcanic rocks;③ Cr# of chromites suggest that they formed in the SSZ and Al〓O〓 and TiO〓 of metamorphic peridotites also suggest SSZ environment;④ metamorphic peridotites have V type and enriched LREE patterns, cumulates have from strongly depleted LREE, flat REE to enriched LREE patterns with universally striking positive Eu anomalies and basalts show flat REE or slight enriched LREE patterns with no Eu anomalies;⑤ trace element and Sm-Nd isotope characteristics of metamorphic peridotites imply their strikingly heterogeneous mantle character ε〓(t+4.39~+26.20 and later Nb, Ta fertilization;⑥ trace element characteristics of basalts and their tectonic diagrams show they probably formed in the rifted island arc or back-arc basin environment.
对阿其克库勒湖西南缘蛇绿岩,野外地质、岩石学、矿物学、岩石化学以及地球化学等特征表明:①该蛇绿岩以近东西向、沿昆中断裂呈构造岩片出露,由变质橄榄岩、堆晶岩和火山岩三个单元组成,其中见铬铁岩呈豆荚状产于变质橄榄岩的上部,或呈似层状产于堆晶岩的下部;②变质橄榄岩包括蛇纹岩、含铬铁矿蛇纹岩、绿帘绿泥片岩和铬铁岩等类型,其中,豆荚状铬铁矿具有结核状构造和球状构造,堆晶岩包括辉石岩、蛇纹岩、含铬铁矿蛇纹岩、铬铁岩和变质基性岩等类型,火山岩仅见玄武岩;③铬铁矿的Cr#表明其形成在俯冲带,变质橄榄岩的Al〓O〓和TiO〓成分也指示了SSZ环境;④变质橄榄岩的稀土配分型式见V型和LREE富集型两种型式,堆晶岩表现出从LREE强烈亏损、REE平坦分布到LREE富集的配分特征,并且普遍具有醒目的正Eu异常,玄武岩的稀土配分型式表现为平坦型或LREE略富集,无Eu异常;⑤变质橄榄岩的微量元素及Sm-Nd同位素特征指示了其地幔的显著不均一性ε〓(t为+4.39~+26.20以及Nb、Ta在后期的富集;⑥玄武岩的微量元素特征及构造图解表明其可能形成在裂谷岛弧或不成熟的弧后盆地环境。
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The result shew, Chromatin broke into pieces which dispersed around the irregular nucleus, nuclear outer member disintegrated; Mitochondria condensed, cristae of which disintegrated partly; The endoplasmic reticulum dilated, vesiculated, gradually disintegrated; A great number of dense granules appeared in the cell. To sum up: Enrichment of heavy metals in Eriocheir sinensis, Macrobrachium nipponease, Cipangopaludina cathayensis is obviou""
综上所述:我们首次证明上海地区沼虾、河蟹、园田螺对重金属元素富集能力要明显强于淡水鱼类;肝、鳃是鱼、虾、蟹体内重金属富集的主要部位;Hg和Cr为高富集元素,Cd是中富集元素,Cu和Pb为低富集元素;罗氏沼虾对镉离子和锌离子的96小时的半致死浓度(LC50)分别为0.115mg/L和0.68mg/L;首次证明锌离子、GSH在一定范围内可以抵抗镉离子对罗氏沼虾肝胰脏破坏。
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The capability of SPE micro-column was estimated by selected analytical methods. Analytical process, including perconcentration, mixing, reaction and detection, were realized on the combination micro-fluidic chip at last.
利用相应分析测试手段验证了原位聚合SPE微柱分离富集的性能,在复合式微流控芯片上实现样品的分离富集、混合、反应、检测等过程。
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The experimental parameters such as optimum pH, flow rate, sample volume, eluant and its volume and effect of matrix ions on preconcentration of REEs were investigated in detail.
本实验对富集的最佳pH、纤维螯合容量、样品流速和体积、洗脱剂及其体积、基体干扰等进行了系统研究,并讨论了大体积富集时吸附效率下降的机理。
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These non-phosphorylated peptides can be eluted along with phosphorylated peptides and cause the reduction of the selectivity.
这些肽段与磷酸化肽段一同被富集,降低了磷酸肽富集的选择性。
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Results showed that TECAM only extracted the freely dissolved HOCs and the presence of DOC in water reduced the availability of HOCs to both TECAM and Japanese medaka. The effect of DOC on the accumulation profiles of the three target compounds in TECAM and medaka was similar.
结果表明,TECAM只富集水中自由溶解形态的疏水性有机物;水中存在的溶解性有机碳会降低3种有机氯农药被TECAM和青鳉富集的可利用性;TECAM和青鳉的富集结果有很好的可比性。
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In heavy compositions, the coal rich in pyrite is seriously slagging, in light compositions, the coal rich in alkali metal is seriously fouling.
在重组份中黄铁矿富集的煤种结渣严重,在轻组份中碱金属元素富集沾污严重。
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Cu-Ni sulfided mine complex locate in BaimaZai of JinPing County is sub alkali iron-super iron, it"s zoning is clear and it"s Ni-Cu-Co melting first and enrichment, its rare earth is rich in right lean light rare earth, but Eu in olive rock is serious to be bad, Gd-Tb is tittles negative abnormity. Above-mentioned show that the mineral is cone from mantle, and didn t mix with crustal substance, and continent tholeiite magma turning into continent tholeiite emplacement after by surging.
金平白马寨铜镍硫化矿床杂岩体分带明显、属亚碱性铁质-超铁质岩、具Ni-Cu-Co三元素先熔离,后富集的规律、稀土配分为右倾斜轻稀土富集型,但橄榄岩铕亏损显著,Gd-Tb微小负异常,显示成矿物质来源地幔,与地壳物质无混染和大陆拉斑玄武岩浆上涌后变为大洋拉斑玄武岩浆侵位特点。
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In an acetate buffer of pH 6.0,and in the presence of CTMAB,a stable complex,having the mole ratio of 1 to 3,was formed between cobalt ion and nitroso R salt,which was concentrated on C18 solid phase extraction column,achieving a concentration multiplication of 100 times.
研究了用亚硝基R盐离子对固相萃取光度法测定钴,在pH 6.0的HOAc-NH4OAc缓冲介质中,溴化十六烷基三甲基铵存在下,亚硝基R盐与钴反应生成3∶1稳定络合物,该络合物可用C18固相萃取小柱富集,富集倍数达100倍,小柱上富集的络合物用乙醇洗脱后用光度法测定,钴的质量浓度在0.05~5.0 mg.L-1内符合比耳定律。
- 更多网络解释与富集的相关的网络解释 [注:此内容来源于网络,仅供参考]
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enriched:浓缩的,富集的,强化的
spiked: 锥形的 | enriched: 浓缩的,富集的,强化的 | tailored: 特制的
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enrichment:富集
第二节 含微生物样品的富集培养 富集(enrichment)培养是在目的微生物含量较少时,根据微生物的生理特点,设计一种选择性培养基,创造有利的生长条件,使目的微生物在最适的环境下迅速地生长繁殖,数量增加,
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Uranium Enrichment:铀的富集
uranium enriched in the isotope 235 or 233 同位素235或233富集的铀 | uranium enrichment 铀的富集 | uranium extraction from sea-water 海水提铀
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unjust enrichment:的例句
指数富集配基的系统进化:Systematic Evolution of Ligands by Exponential Enrichment | unjust enrichment的例句: | unjust enrichment的全文例句:
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enrichment medium:富集培养基
3)加富培养基和富集培养基(enrichment medium):在普通培养基(如肉汤蛋白胨培养基)中加入某些特殊营养物质制成的一类营养丰富的培养基. 这些特殊营养物质包括血液、血清、酵母浸膏、动植物组织液等,用来培养营养要求比较苛刻的异养型微生物,
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supergene enrichment:次生富集作用
次生的,表生的 supergene | 次生富集作用 supergene enrichment | 表生溶液 supergene solution
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beneficiation:富集
beneficiation 选矿 | beneficiation 富集 | benefieialbenignantedifyingrewarding 有益的
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commelina communis:鸭跖草
其中珠芽景天对Cd的吸收达到超富集的水平,四芒景天对Zn、Cd的吸收达到超富集的水平;堇菜(Viola verecunda)、苦荬菜(Ixerispolycephala)和葛藤(Pueraria lobata)对Cd有较高的富集能力;鸭跖草(Commelina communis)、白背叶野桐(Ma
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coprecipitation:共沉淀
微量组分的测定中,常利用共沉淀(coprecipitation)现象分离和富集微量组分. 加入某种离子与沉淀剂生成沉淀,将此作为载体,把微量或痕量组分定量地沉淀下来,然后沉淀溶解在少量溶剂中,达到分离富集的目的. 使用的共沉淀剂主要分为无机共沉淀剂和有机共沉淀剂.
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uranium enriched in the isotope 235 or 233:同位素235或233富集的铀
uranium dioxide powder 二氧化铀粉末 | uranium enriched in the isotope 235 or 233 同位素235或233富集的铀 | uranium enrichment 铀的富集