查询词典 TOF

The result shows that for scintillator TOF detector, its intrinsic time resolution is about 80ps, but the influence of all other factors is only 50～60ps.

在第一章中，我们分析了飞行时间测量精度的影响因素，结果表明，TOF探测器的本征时间分辨率是影响TOF测量精度的主要因素。

Purified protein samples were separated by 2-DE with 17 cm IPG strips, and the protein spots were detected by fast silver staining. Six protein spots were randomly excised from the silver stained gel for primary analysis by MALDI-TOF MS. Four proteins were identified, and they were 1-aminocyclopropane-1-carboxylate synthase 2, ribulose-1, 5-bisphosphate carboxylase/oxygenase large subunit, F11O4.2 and Rubisco small subunit.

根据预实验结果，选用17 cm IPG预制干胶条对纯化的蛋白样品进行2-DE实验，采用快速银染法进行染色，随机挖取银染胶上6个蛋白点进行MALDI-TOF MS分析和数据库检索，鉴定了3个蛋白，它们是：1-氨基环丙烷-1羧酸合酶2，核酮糖-1，5-二磷酸羧化酶/加氧酶大亚基和F11O4.2。

Therefore, the value of two-dimensional echocardiography (2DE) to assess the right ventriciular outflow in 21 children (Aged 2 years to 13 years, mean 6+/- 3.3 years)with TOF was studied using a new subcostal ...

先探查剑下大动脉短轴切面再将探头顺钟向转动并将探头稍前翘，可见升主动脉长轴切面，该切面类似于右心造影右前斜位投影。

After MALDI-TOF MS analysis, a total of 5 differential expressionprotein were detected.

MALDI-TOF MS质谱分析共检测出5个差异蛋白。

We mainly detected the TOF and angular distribution of photofragment, and get the anisotropy parameter β and the translational energy distribution. In addition, we calculated the geometries of the ground states, the excited states and the triplet excited states, and the transition electric dipole moments. According to these, the dissociation lifetimes of some molecules are calculated.

主要是探测了光解碎片的时间飞渡谱和角分布并通过前向卷积方法拟合得到了各向异性参数β和光解碎片的平动能分布；此外还用从头计算方法计算了反应物分子的基态、激发态、三重激发态的平衡几何构型和分子的跃迁偶极矩并据此计算了一部分分子的解离态寿命。

The molecular response in the amoeboid and trophozoite stages of T .vaginalis was elucidated by using a systemic comparative transcriptomics and proteomics approach. We identified 49 differentially expressed proteins by 2-DGE and MALDI-TOF MS.

我们首先建立了阴道鞭毛虫滋养体的标准二维电泳蛋白图谱，再利用比较二维电泳结合质谱的方法找出了49个表现量有差异的蛋白。

The vertex set of the complete graph Tof a graph G is the union of the vertex set of G and the edge set of G,two elements are adjacent in T if they are neighbour elements in G.

全图T是以V和E为顶点集，当T的两个顶点在G中是邻元素时，它们邻接。

M/z 2732 set, it yielded a sensitivity of 91.30%(21/23), a specificity Of 68.18%(30/44), area under the ROC=0.76; m/z 9111 set, it yielded a sensitivity of 52.17%(12/23), a specificity Of 81.82%(36/44), AUC=0.57. Differential proteins were detected from serum of pancreatic cancer. Combination of SELDI-TOF-MS with CM10 protein chips may provides a new proteomics mode for laboratory diagnosis of pancreatic cancer.

结果 发现胰腺癌患者与正常对照、胰腺对照的血清蛋白质指纹图谱有44个差异表达的蛋白质(P.05)，其中m/z 2732敏感性为91.30%(21/23)，特异性为68.18%(30/44)，受试者工作特征曲线下面积=0.76；m/z29111敏感性为52.17%(12/23)，特异性为51.52%(36/44)，AUC=0.57。

The test results indicate that the zincate catalyst systems can accelerate these reactions high-effectively, so its selectivity is up to 100% and TOF is 5472h -1, and the activity and the selectivity of the catalyst are kept in six times, and the catalyst system can be availab.

研究了离子液体助催化的各种无机盐催化剂体系用于二氧化碳和环氧化合物通过环加成反应制备环状碳酸酯，结果表明锌盐催化剂体系能够非常高效地催化该反应，最高得到了 5 472h- 1的催化转化频率和 10 0 %的选择性，催化剂使用六次以后没有发现催化活性和选择性的下降，并且该催化剂体系能够适用于各种结构的环氧化合物。

The E-TOF will also be feasible and practical to assist chemists in screening the optimal reaction condition or evaluating the overall efficiency of different catalytic systems for a specific asymmetric reaction.4.For the first time,we explored chiralγ-hydroxy-α,β-acetylenic esters,which were prepared via asymmetric alkynylation,as key intermediates to the synthesis of chiralγ-butyrolactones. This convergent and enantioselective approach to chiralγ-butyrolactones is practical and easily handled with protecting group free.

这一概念包括反应产率、对映选择性、配体用量以及反应时间四个重要反应参数，不仅适用同一反应不同催化体系的横向综合性评价，而且适用于某一特定反应催化体系的优化过程，有助于研究人员选择最佳的反应条件。4、我们发展了以手性γ-羟基-α，β-炔酸酯为关键中间体完成了手性γ-丁内酯类天然产物的对映立体选择性全合成，该关键中间体能够以我们的催化体系方便的对映选择性合成，之后的官能团转换方法成熟，易于操作，无需进行繁琐的官能团保护和脱保护过程，绿色经济。

We stopped by the old fashion ice cream parlor Manhattan Beach Creamery for some refreshment. The "No Shoes, No Shirt, No Problem" sign on the wall epitomizes the beach lifestyle.

我们去商店区的一家老式冰淇淋店坐坐，墙上挂著「没鞋，没上衣，没问题」的牌子完全捕捉了海滩生活的随性及风格。

"If therefore", argues Bellarmine we can offer our prayers and our satisfactions in behalf of those detained in purgatory, because we are members of the great body of Christ, why may not the Vicar of Christ apply to the same souls the superabundant satisfaction of Christ and his saints--of which he is the dispenser?

" "因此，如果"，认为贝拉明（德indulgentiis ，十四）"我们可以提供我们的祈祷和我们满意的代表那些被拘留在炼狱，因为我们是成员的伟大基督的奥体，为什麼可能不是牧师基督适用於同样的灵魂满意的过剩是耶稣和他的圣人-他是在配药？