血管密度，尤其肿瘤边缘淋巴管密度是预测大肠癌转移的有效参考指标。
Density of blood vessels, especially of lymphatic vessels, located at the peripheral region of CRC may serve as a useful marker to predict metastasis.
目的探讨胃癌旁组织中血管内皮生长因子- C (VEGF - C)表达与新生微血管、淋巴管密度的关系以及在胃癌转移中的作用和意义。
Objective To explore the relationship between the expression of VEGF-C, microvessel density (MVD), lymphatic microvessel density (LVD) and their role in metastasis of gastric carcinoma.
目的探讨胃癌旁组织中血管内皮生长因子- C (VEGF - C)表达与新生微血管、淋巴管密度的关系以及在胃癌转移中的作用和意义。
Objective To explore the relationship between the expression of VEGF-C and microvessel density (MVD) and lymphatic microvessel density (LVD), and their role in the metastasis of rectal carcinoma.
之后他测量了热通过碳管的方式并发现流动在倾向低密度的方向最大。
He then measured the way that heat passed along the tubes and found that the flow was greatest towards the "low density" ends.
效果是使碳管表现的似乎一比另一端更高密度。
The effect was to make each tube behave as if it was more dense at one end than the other.
结果表明，采用真空热压后热轧工艺制备的碳纳米管铜基复合材料的致密度较高且能有效地防止被氧化。
SEM and XRD results show that the composite that is hot rolled after vacuum forming, has relatively high density and can avoid being oxidized effectively.
在忽略其他条件影响下，长径比相同的碳纳米管，电荷密度相对分布曲线趋势完全相同。
Without considering other aspects carbon nanotubes with the same aspect ratio have entirely uniform trend in charge density relative distribution curve.
实验证实浓度为2 5%的碳纳米管浆料制得的阴极有最佳的阵列密度。
The test result proves that the CNT cathode with optimum array density is fabricated by the CNT paste with a density of 2.5 %.
利用电晕线支撑部分和屏蔽管的静电屏蔽效应，可以改善电除尘器板电流密度分布，减弱反电晕，并可得到高电压低电流的安全运行状态。
By using this kind of shielding effects, the electric current density distribution can be improved, the back-corona can be reduced and the high voltage and low current state can be obtained.
根据这种方法，我们研究了氢等离子体处理对多晶硅薄膜晶体管禁带态密度的影响。
With this method, the influences of the plasma hydrogenation on the gap state density have been investigated.
也就是说，这种趋势就是通过提高晶体管的密度使芯片更小，并消耗更少的电能，也就意味着可以将手机做得更小，电池续航时间更长。
That is, the tendency is to use the increased density to make the same chip smaller and consume less power, to make phones smaller and make batteries last longer.
关于碳纳米管的声子谱及振动态密度的计算方法有好几种。
There was several kinds of methods to calculate carbon nanotube's phonon spectrum and the vibrate density of states.
本文还讨论了细菌周膜断裂面上颗粒密度不同的原因及腔中管泡状结构的来源。
This paper discussed the cause of distinction of the particle density and the orgin of tubular and vesicular structure in spaces.
用密度泛函理论计算了氧分子物理吸附在半导体型单壁碳纳米管的束缚能，能带结构和吸收光谱。
The binding energy, energy band structure and optical properties of the oxygen physical adsorption on semiconducting single-wall carbon nanotube are studied by the density functional theory.
首先，基于紧束缚模型研究了非磁性点缺陷对金属型单壁碳纳米管态密度和电导的影响。
Firstly, the influence of point defects on the density of states and conductance for metallic carbon nanotubes is studied based on the tight-binding model.
实现除雾高效化，关键在于研制高性能的新型阴极线和阳极管，提高电流密度和电场强度。
To realize the high efficiency of dernisting, thenew type cathode wires and anode tubes with superperformance were developed for increasing the current density and field intensity.
也可以根据防治实际中目标害虫的虫口密度及单株放蜂数量来确定每管的接入寄主数和种蜂数。
Sometimes, the amount of female wasps and hosts in single tube could be based on the density of target pests and the amount of female wasps released on one plant.
实验证实浓度为2.5%的碳纳米管浆料制得的阴极有最佳的阵列密度。
The test result proves that the CNT cathode. With optimum array density was fabricated by the CNT paste with a density of 2.5%.
研究了基于谐振原理的振动管式电解液密度测量装置。
This article made a scientific research on the apparatus measuring the electrolyte density based on the principle of syntony.
在忽略卷曲效应的情形下，计算（6，0）管的电子能量、群速及能态密度三个参量，然后利用这些参量推算重要热学量电子比热客．结果表明；
Without considering curvature effect, we study the contribution of the electronic heat capacity, group velocity and density of states of(6,0)Single-walled carbon nanotubes.
目的探讨根尖片评价根管充填密度的准确性。
Objective To investigate the accuracy of dental film on the density of root canal fillings.
计算结果表明，管坯表面热流密度沿周向分布的不均匀性造成了管坯温度沿周向分布不均。
The results show that the distributions of the surface heat fl ow density and temperature around tube billets are relative.
如果是受到机械式的搅拌或者是密度梯度发生了变化而使得管中有大量的分层的气体，那么传递就主要通过强制对流或自然对流而发生。
If there is a bulk mixing of the layers of gas in the tube by mechanical stirring or because of a density gradient, mass transfer occurs primarily by the mechanism of forced or natural convection.
为了高精度、非接触动态地检测灌浆工程中水泥浆液的密度，采用CR 105型光电倍增管作为感光器件，设计了一种检测装置。
In order to monitor the cement grout density accurately and dynamically in grouting practice, a detection instrument incorporating a CR105 photomultiplier tube as optic sensor was designed.
针对平肋肋片管式换热器的结霜过程，建立了数学模型，考虑了霜层密度变化和霜层阻力引起空气流量减小等因素。
Establishes a mathematic model, taking into account the variation of frost density and the decrease of airflow rate caused by frost layer.
长管体的侵彻能力小于同长度同质量同密度的长杆体的侵彻能力。
The performance of the long tube is proved to be worse than that of the long rod with the same mass, length and density.
这些结果表明，螺旋位错密度的降低延长了激光二极管的寿命。
These results show that reducing the threading dislocation density extends the lifetime of LD.
讨论了部分元素在YY2和YY3型横向加热平台石墨管中的原子化行为，考察了元素的灵敏度、精密度、准确度。
The atomization behavior of eight typical elements in YY2 and YY3 transverse heated Platform graphite tube was discussed. We tested sensitivity, precision and accuracy with elements.
并根据毛管压力曲线资料计算了孔隙结构的分形维数和孔径大小概率密度分布。
The fractal dimension of pore structure and size distribution are studied based on the capillary pressure data.
并根据毛管压力曲线资料计算了孔隙结构的分形维数和孔径大小概率密度分布。
The fractal dimension of pore structure and size distribution are studied based on the capillary pressure data.
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