查询词典 x-ray unit

Including clinical breast X-ray machine technology applications, digital breast X-ray machine performance testing and evaluation methods and projects, digital breast X-ray machine and traditional breast X-ray machine of distinction contrast, Finland Planmed high frequency of breast X-ray photography Clinical application, the new mammography X-ray machines and mammography in the diagnosis of the research topic.

包括乳腺X线机临床技术应用，数字乳腺X线机的性能测试方法及项目与评价，数字乳腺X线机与传统乳腺X线机的临床区别对比，芬兰Planmed型高频乳腺机X线摄影技术临床应用，新型钼靶X线机在乳腺摄影及诊断中的应用等研究课题。

The results were as follows:The unit-roots characters (weight, length etc.) and 15N absorption decreased progressively downward. 15N absorbed by any unit roots could be transported from root to tiller and from tiller to tiller, but the transporting ratio was different.The pattern was as follows: when 15N was offered to total roots of plant or only to primary roots, it was transported to main stem and then decreassingly to tillers from lower unit to upper one, when 15N was offered to n unit-root, it was transported to n unit tillers, then to n + 2 or n-2 unit tillers , followed by n + 1 or n -1 unit tillers , and finally to other unfeed roots.

各单位根吸收(15)~N后，蘖根之间，蘖蘖之间皆可互相运转，但其运转比例不同，其功能模式是：(15)~N喂全株根或专喂初生根，则先供给主茎，其次是分蘖，而且随蘖位升高而递减；喂n单位根，则先供给n单位本身，其次是n+2或n-2单位的蘖，然后是n+1或n-1单位的蘖，最后是未喂(15)~N的根系。

Welded pipe unit: The stainless steel welded pipe unit, the cold bending formation series welded pipe unit, the high frequency welded pipe unit, the pot galvanize unit, cut the butt welding machine, the spiral welded pipe unit and the heavy-caliber straight seam bury the arc-welded pipe unit and so on the complete set of equipment and so on;..

焊管机组：不锈钢焊管机组、冷弯成型系列焊管机组、高频焊管机组、热镀锌机组、剪切对焊机、螺旋焊管机组及大口径直缝埋弧焊管机组等成套设备等；。。

Results Compared high kV X-ray chest film with spiral CT,to simplex silicosis,X-ray films coincided with CT scans;to mixed silicosis,the effect of CT scans were better than X-ray's;to large nodule,coalesced progressive massive fibrosis,the detected ratio of CT scans were higher than X-ray chest films;to silicosis complication,for example,emphysema,pleural thickening,phthisic,mediastinal impairment lympy node etc,CT scans were more reliable than X-ray films,especially HRCT can earlier find silicotic nodule and fine structure of focus.Selective application of CT scan,had great diagnostic value in complicated silicosis and silco-tuberculosis and lung cancer complicated with silicosis etc.

结果 高千伏X线胸片与螺旋CT作对比，结果对单纯矽肺并发肺癌，CT片与X线胸片基本一致；对于复杂矽肺并发肺癌CT优于X线胸片；对于大结节、肺内进行性大块纤维化(progressive massive fibrosis，PMF)融合、空洞及钙化CT检出率明显高出胸片；对矽肺并发肺癌的合并其他如肺气肿、胸膜肥厚、结核、纵隔淋巴受累等CT均较胸片可靠；特别是HRCT能早期发现矽肺肿块样病灶中细微结构，选择性应用CT，对复杂矽肺并发肺癌合并结核等鉴别诊断有很大价值。

Knowledge of tungsten anode X-ray tube spectra is essential for X-ray dose control, X-ray image quality evaluation and dual-energy X-ray imaging etc. A model-based tungsten anode X-ray tube spectrum reconstruction method is presented in this paper.

X射线球管光谱信息是进行X射线曝光剂量控制、X射线成像质量评估、X射线双能量成像等必不可少的，为此本文提出一种基于模型的钨靶X射线球管光谱重建方法。

In recent years, although multichannels (more than 256) gamma ray spectrometer has been made overseas, field gamma ray spectrometric survey is only used to determine contents of uranium, thorium and potassium, by reason of applying gamma ray spectrometry later than developing instruments, can't obtaining full spectrum because of the problem of stabilizing gamma ray spectrometric peaks, and it is impercipient for field gamma ray spectrometry.

作者分析了国内外野外地面伽玛射线全谱测量存在的问题主要是：（1）目前国内外野外地面伽玛能谱测量中主要使用四道能谱仪，仅利用能量大于1000keV的伽玛射线，通过数个谱段的读数结果，计算铀、钍、钾的含量，而没有利用伽玛射线全谱，使80％以上的伽玛射线能谱信息摒弃未用。

In order to research the relations of carbon sources to structure of PHAs, six kinds of PHAs sample were synthesized by activated sludge with six different carbon sources respectively in the aerobic-anaerobic-anoxic process. Their structures were determined by 〓HNMR、〓CNMR and GC-MS. When the carbon source was acetate, the unit composition of PHAs was 93. 91mol％ 3-hydroxybutanoic acid and 6. 09mol％ 3-hydroxypentanoic acid ; When the carbon source was propionate, the unit composition of PHAs was 28. 66mol％ HB, 63. 13mol％HV, 2. 55mol％ 2-methy-3-hydroxy-butanoic acid (2MHB) and 5. 66mol％ 2-methyl-3-hydroxypentanoic acid (2MHV); When the carbon source was 80％ butyrate and 20％ 1, 4-butanediol, the unit composition of PHAs was 65. 03mol％ HB, 28. 06mol％HV, 1. 91mol％2MHB, 2. 69mol％ 2MHV, 0.73mol％ 4-hydroxy butanoic acid (4HB), 0.78mol％ 4-methyl-3-hydroxy-pentanoic acid (4MHV), 0.80mol％ 3-hydroxyhexanoic acid ; When the carbon source was 20％ butyrate and 80％ 1, 4-butanediol, the unit composition of PHAs was 61. 39mol％ HB, 23. 01mol％HV, 4. 58mol％2MHB, 5. 97mol％ 2MHV, 0.91mol％ 4HB, 2. 37mol％ 4MHV, 1. 77mol％ HHx; When the carbon source was 60％ pentanoate and 40％glucose, the unit composition of PHAs was 41. 24mol％ HB, 58. 76mol％HV; When the carbon source was 60％ benzoate and 40％ glucose, the unit composition of PHAs was 65. 48mol％ HB and 34. 52mol％ HV.

为了研究不同碳源与产物PHAs结构的关系，采用好氧-厌氧-缺氧模式利用6种不同碳源培养活性污泥得到6种不同的PHAs样品，通过〓HNMR、〓CNMR和GC-MS谱图确定了这6种PHAs的单体成分和比例：以乙酸钠培养活性污泥得到的PHAs的单体组成是93.91mol％3-羟基丁酸和6.09mol％3-羟基戊酸；以丙酸钠培养活性污泥得到的PHAs的单体组成除28.66mol％HB、63.13mol％HV外，另外还有2.55mol％3-羟基2-甲基丁酸（2MHB）和5.66mol％3-羟基2-甲基戊酸（2MHV）；以80％丁酸钠和20％1，4-丁二醇混合溶液培养活性污泥得到的PHAs含有七种单体组成：65.03mol％HB，28.06mol％HV，1.91mol％2MHB，2.69mol％2MHV，0.73mol％4-HB（4-羟基丁酸），0.78mol％4MHV（3-羟基-4-甲基戊酸），0.80％HHx（3-羟基己酸）；以20％丁酸钠和80％1，4-丁二醇培养活性污泥所得到的PHAs含有与3#样品相同的七种单体，只是比例不同，分别是61.39mol％，23.01mol％，4.58mol％，5.97mol％，0.91mol％，2.37mol％，1.77mol％；以60％戊酸钠和40％葡萄糖培养活性污泥所得到的PHAs由HB和HV组成，比例是41.24 mol％∶58.76 mol％；以60％苯甲酸钠和40％葡萄糖培养活性污泥所得到的PHAs也由HB和HV组成，比例是65.48 mol％∶34.52 mol％。

The invention provides a system used for recycling urban automobile-washing water, which is a system formed by organic combination of a pretreatment unit, a mechanical treatment unit and a control unit, wherein, the pretreatment unit comprises a fence and a sedimentation tank, and chemical treatment; the fence is arranged on an inlet of the sedimentation tank; the mechanical treatment unit adopts a centrifuge and is arranged on an outlet of the sedimentation tank; and the control unit comprises a peripheral circuit, a singlechip and a variable-frequency motor.

本发明提供的城市洗车用水循环利用系统，是由预处理、机械处理和控制单元的有机组合来的系统，其中：预处理单元包括栅栏以及沉淀池和化学处理，栅栏设置在沉淀池的入口处；机械处理单元采用离心机，它设置在沉淀池的出口处；控制单元包括外围电路、单片机和变频电机。

The product includes:SJSZSeries plastic extruder,∮20～630mm PVC Pipe material production line,∮20～710mm PE Large aperture pipe material production line,∮300～2500mm SBG Series double-wall sewer pipe production line, Production line of multiple-hole pipe communication, Random polypropylene pipe production line, Silicon-core pipe production line, Alumiunm-plastic complex pipe production line, SJYF Model plastic special-shaped material extruding unit, PVC Micro-foaming special-shaped material unit, PVC Plastic printing making unit, Recovered film prilling unit, Plastic blowing film unit, plastic blowing bottle machine, Medical injector full set equipment, Medical infusion unit full set equipment, Medical absorbent cotton full set equipment, Drink machinery, etc.

我公司生产的设备有：SJSZ系列塑料挤出机、∮20～630mmPVC管材生产线、∮20～710mmPE大口径管材生产线、∮300～2500mm PE双重壁下水管生产线、PP-R管材生产线、SJYF型塑料门窗异型材装饰板生产线、塑竹木异型材生产线、通讯用多孔管生产线、硅芯管生产线、铝塑复合管生产线、PVC芯层发泡管生产线、塑料板生产线、回收造粒生产线、塑料吹瓶机、塑料吹膜机组、医用注射器全套设备、医用输液器全套设备、医用药棉全套设备、饮料机械及塑料制品。*主要业务：塑料机械，医用耗材制造设备，饮料机械，塑料制品。

This paper, by establishing some functions between theoretic unit production of standard crop and natural quality of farmland graduation, and between feasible unit production of standard crop and utilization index, verifies the theoretic unit production, feasible unit production, and based on this, the regional theoretic unit production, regional feasible unit production.

通过建立农用地分等单元标准粮理论单产和自然质量等指数的函数关系、标准粮可实现单产和利用等指数的函数关系，分别核算分等单元的理论单产及可实现单产，以此为基础核算区域理论产能及可实现产能。

But GST= 0.156, Nm=1. 588. As a result, the foundation of Youyongchi Avicennia marina population was the result of the migration of hypocotyles and human factors.

这项工作可以为海岸防护林中新引进种类的判定以及为研究种群建立者效应方法的确定提供科学依据。

The two-dimensional CDRC-ADI-FDTD update equations for collision unmagnetized plasma are induced. The unconditional stability of the CDRC-ADI-FDTD formulation for collision unmagnetized plasma is obtained by the examples.

推导了碰撞非磁化等离子体中的二维CDRC-ADI-FDTD迭代公式，并用算例验证了碰撞非磁化等离子体CDRC-ADI-FDTD算法也是无条件稳定的。