查询词典 X-unit
- 与 X-unit 相关的网络例句 [注:此内容来源于网络,仅供参考]
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It is proved that Poisson-stable points are dense in the locally compact phase space X if and only if non-wandering point s are dense in the X.
证明了如果相空间X局部紧,则Poisson稳定点在X中稠与非游荡点在X中稠等价。
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The oxide films were investigated by means of scanning electron microcopy, energy dispersion X-ray microanalyser, X-ray diffraction and X-ray photoelectron spectroscopy.
用扫描电镜、能谱仪、X封线衍射、X射线光电子能谱时氧化膜进行了研究。
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In the present study, soil samples were scanned by NITON XLt920 field portable X-ray fluorescenceanalyzer, and the relationship between the X-ray fluorescence spectra and the concentration of Pb in soil was studied.
在实验室条件下,利用NITON XLt920型便携式X射线荧光光谱(field portable X-ray fluorescence, FPXRF)仪获取土壤样品的X射线荧光光谱数据,并采用偏最小二乘法建立土壤Pb含量的预测模型。
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objective:to explore the clinical value of digital mammography on diagnosis of small breast cancer.methods:we retrospectively analyzed the representation of molybdenum target x-ray in 40 patients with small breast cancer diagnosed by biopsy.result:the molybdenum target x-ray showed nodosity tumor in 17 cases,calcification in 13 cases,density in 8 cases,focal grand architectural distortion in 6 case,single dilated in 3 cases and blood vessel line thickening in 6 case.conclusions:digital mammography is the most important means in the diagnosis of small breast cancer,which can distinguish between different kinds of breast density of different tissues and find small breast lump.the mammography has a high sensitivity in the diagnosis of small breast cancer.
目的:提高对小乳癌影像学的认识。方法:回顾性分析40例经病理证实的小乳癌患者的x线片。结果:x线表现为肿块17例,钙化13例,致密影8例,局部结构紊乱6例,单支导管扩张3例,血管影增多、增粗6例。结论:影像学是小乳癌诊断的最主要手段,能区别乳房各种不同组织的不同密度,能发现较小的乳腺肿块,对于乳腺癌的诊断,乳腺x线钼靶摄片具有较高的灵敏度。
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The latest experimental results of the focusing perfermance of the compound high-energy X-ray lens is designed with PMMA with the parameters of 40 plano-concave elementary lenses positioned in line with axial symmetry, 200 μm radius of the concave surface, 0.15 nm working wavelength, 0.5 mm geometrical aperture and 8 mm length of the compound lens and 1.3 m focus length, are briefly introduced.
报道了这种新型X射线光学元件聚焦性能的最新实验结果。设计的高能X射线组合透镜为聚甲基丙烯酸甲酯材料,包括40个相同的、顺序排布的平凹折射单元,折射单元的球面半径为200 μm,组合透镜的几何口径约为500 μm,长度约为8 mm,焦距约为1.3 m。简要描述了PMMA材料X射线组合透镜的制作技术和制作过程。并给出了X射线组合透镜聚焦性能测试实验系统和实验条件。
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In prime number distributed research process,and through established one kind of new sieve method and the stair theory,this article obtained about three group of prime number distribution recurrence formula: The 1st is not bigger than x the prime number integer recurrence formula;The 2nd is not bigger than x the twin prime integer recurrence formula;The(3rd Recurrence) formula.
在研究素数分布过程中,通过创立一种新的筛法与台阶理论,得到关于素数分布的三组递推公式:不大于x的素数个数与孪生素数对数量的递推公式;不大于x的孪生素数个数的递推公式;任意偶数x≥6表为两个奇素数之和与孪生素数对数量对数的递推公式。
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To investigate the kinetic isotope effect of Ti-Mo alloy hydrides, E of the deuterides is compared with that of the protides. When x=0.03, E of deuterium desorption is larger than that of protium desorption. When x=0.13 and 0.25, E of protium desorption is larger than that of deuterium desorption.
结果显示,x=0.03时,合金氕化物E小于氘合金化物E,与钛放氢动力学同位素效应一致;x=0.13、0.25时,氕化物E大于氘化物E;x=0.50、1.00时,氕化物与氘化物的E差别不大。
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To solve this problem, according to the analysis of the quality factors of the X-ray, the measurement for X-ray tube voltage/current is presented based on Q-factor and its derived QL and QH-factor when X-ray tube energy bandwidth is defined.
针对传统的管电压/管电流测量方法虽然可以检测出X射线管电压/管电流误差值,但不能反映其质量特征的状况,在分析影响X射线质量高低的因素的基础上,引入了射线管能量带宽的含义,并由此提出了基于Q值及其派生QL值、QH值的射线管电压/管电流分析方法。
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objective:to study and analyze the features of lower limb fatigue fracture in the special force by means of radiodiag-nosis.methods:anterior-posterior and lateral films and clinical follow-ups were made to all the affected limbs in the56cases of lower limb fatigue fracture from june2003to feb.2006.results:through medical history and radiodiagnosis all the cases were giv-en definite diagnosis,achieved good treatment results and all had clinical follow-ups.the average length of clinical follow-ups was3months.following treatment,all patients returned to work and resumed training.conclusion:lower limb fatigue fracture finds a rather high incidence in the special force.special features could be seen in the x-ray film,which has obvious clinical significance in the differential diagnosis of other diseases.
摘要] 目的:分析特种部队下肢疲劳骨折的x线特征性表现和鉴别诊断。方法:从2003年6月~2006年2月,对56例来院就诊治疗的下肢疲劳骨折的患者全部进行患肢x线正侧位片检查和随访。结果:本组病例依据病史和x线分析,均明确诊断,经治疗后效果好,全部获得随访,平均随访时间3个月;骨愈合时间1~2个月,全部恢复工作和训练。结论:下肢疲劳骨折在特种部队发病率高,x线片中具有特征性表现,与其他疾病的鉴别具有重要的临床意义。
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METHODS Within a three-year period,510 cases of X-knife treatment were taken,using the standard axial serial CT scan for stereotactic localization.The target was localized by the BRW coordinate system,Radionics RSA-3 X-knife treatment planning system was adopted to make plan,and Philips SL-75-14 Linac was used to produce X-ray.
用CT薄层连续扫描图像定位,采用BRW立体定向坐标系统,Radionics RSA-3型X-刀治疗计划系统,Philips SL-75-14医用电子直线加速器,对510例颅内疾病患者实施X-刀治疗。
- 相关中文对照歌词
- X-T-C
- Greta-X
- X-mas Time (Blows My Mind)
- W-X-I'll Tell U-Y
- Simple X
- 5 x 5
- X X 3
- Run Dry (X Heart X Fingers)
- Século X.X.
- S-E-X-X-Y
- 推荐网络例句
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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。
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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。
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When I was in school, the rabbi explained everythingin the Bible two different ways.
当我上学的时候,老师解释《圣经》用两种不同的方法。