rarefaction 基本解释
名词变稀薄，稀薄
rarefaction 网络解释
1. 稀薄：本论文讨论一微流管流动介质为二阶流体时,(1)考虑已知不同体积流率下,受流体稀薄(rarefaction)效应,反求压力变化情形. (2)已知压力变化下,受流体稀薄效应时之流速和流量变化.
2. 稀疏：相反地,长期慢性高血压也有可能引起胰岛素抵抗,其机理与高血压性微血管病变有关,微血管稀疏(rarefaction)使物质交换的弥散距离增大,导致骨骼肌转运和利用葡萄糖受损.
3. 变稀薄, 稀薄：powdered 弄成粉的, 有许多小斑点的 | rarefaction 变稀薄, 稀薄 | exponential part 指数部分
rarefaction 双语例句
1. Results: Compared with that in the NC+/+ group, the number of astrocytes with apoptotic characteristics was increased in the 4HH+/+ group, and edema of the foot process in astrocytes and edema、vacuolization in oligodendrocytes and rarefaction of myelin sheath were seen clearly. Interestingly, compared with the 4HH+/+ group, the 4HH-/- group had significantly less apoptotic astrocytes with reduced edema and mild morphological changes. However, there was no infiltration of peripheral inflammatory cells in every group.
结果 ：电镜示4HH+/+组比NC+/+组星形胶质细胞数量明显增加，形态以凋亡为主，同时可见足突明显水肿，少突胶质细胞水肿、空泡形成、髓鞘疏松；4HH-/-组比4HH+/+组凋亡的星形胶质细胞数量减少，形态仅轻度异常，未见明显水肿；实验动物脑内未见外周炎症细胞浸润。
2. The results show that the rarefaction wave influences the premixed flame structure and propagation greatly.
实验过程中，通过不同的点火方案诱导出不同传播方向的稀疏波与火焰发生干涉作用。
3. RESULTS:After remote regional myocardial infarction, the parameters of STI did not significantly change; the total notching number in HFECG increased markedly within 2～4 weeks and recovered at 8th week; the radial rarefaction and defect were indicated in infarction area of anterior wall of myocardium with 2～4 weeks in SPECT, and these abnormalities ameliorated obviously at 8th week.
HFECG的切迹数在2～4周时明显增多，而在8周时恢复；在2～4周时，SPECT显示心肌前壁梗死区呈放射性稀疏及缺损，而在8周时，该异常明显恢复。
4. It is shown that the laser-induced plasma shock wave undergoes three processes: formation, increase and decay process; the increase and decay of the laser-induced plasma shock wave are the result of the overlap of compression wave and rarefaction wave, respectively.
采用PZT水听器探测了波长为532nm和1064nm激光与水下金属靶材作用时产生的激光等离子体声波，并对实验获得的数据进行了时频分析。
5. Results show that the velocity slips and temperature jumps increase at the solid walls with increasing rarefaction at the same Mach number.
在模拟的结果中显示，相同的Mach number随著气体的稀薄化，速度滑动现象与温度跳动现象会更加明显。
6. this research put forward a new idea and method on the treatment of the rarefaction of bone due to diabetes, and also provide a scientific basis for the treatment of the disease with Tanggukang Capsule and it may has good prospects.
该课题提出了治疗糖尿病骨质疏松的新思路及方法，为临床治疗该病开拓了新的途径，为糖骨康胶囊治疗糖尿病骨质疏松提供科学依据，可能具有前瞻性临床价值。
7. Growing period is the best time of obtaining peak bone amount, and sports could play an important role on the amount of bone and preventing rarefaction of bone or osteoporosis.
中老年时期进行体育锻炼可有效地维持骨量、延缓骨量的丢失，降低与预防如骨质疏松等骨疾病的发生。
8. Result: BMD of model group is far lower than the normal group, it shows that the model of rarefaction of bone has formed. Compare the high dosage group and the low dosage group with the model group, the statistic diversity on blood sugar, trace element in the urine and BMD are notable. It indicates that Tanggukang Capsule can not only prevent the rarefaction of bone, but also cure it to a certain extent.
结果：模型组大鼠BMD明显低于正常组且有显著性差异，说明骨质疏松模型已经形成，糖骨康胶囊高低剂量组与模型组比较，血糖、尿微量元素、BMD均有显著的统计学差异；提示其不仅具有抑制骨质丢失的作用，还能使丢失的骨量得到一定程度的恢复。
9. These four methods in treating aged femoral intertrochanteric fracture have their own advantage. We must choose the method according to the age of patient, the extent of bone rarefaction, the type of fracture and tolerance for the operation in order to get the good response to treatment.
治疗老年人股骨粗隆间骨折，四种手术方法各有优势，只有根据患者年龄、骨折类型、骨质疏松程度、手术耐受情况等合理选择手术方式，方可取得良好疗效。
rarefaction的近义词
10. Section two The Clinical StudyObjectiveWith study on distributing regularity of post-menopause female's ER gene polymorphism of long-term habitant in canton and the relationship with bone density, TCM differentiation of symptoms and signs for classification of syndrome about bone rarefaction, to offer theory evidence for filting relative high-risk group of bone rarefaction.
第二部分临床研究一目的研究长期居住在广州地区的绝经后妇女雌激素受体基因多态性的分布规律及与骨密度、骨质疏松中医辨证分型的关系，为筛选骨质疏松相对高危人群提供理论依据。
11. Both experimental and numerical results show that under the condition of high-subsonic flow which is induced by incident shock, the part of supersonic flow field in the upper channel can be formed by means of the action of unsteady, rarefaction wave and steady expansion wave.
对激波进入突扩通道时的无粘空气流场数值模拟结果显示，在激波波后气流高亚声速情况下，由于非定常稀疏波和定常膨胀波的加速作用，可以在通道中形成超声速气流，并产生较为稳定的流场波系结构，部分地验证了实验的结果。
12. Results As compared with control group, the bone trabecula was thinner in experiment group, and the bone structure was rarefaction and disorder, with less bone mass.
结果 与对照组比较，实验组骨小梁纤细，结构稀疏紊乱，骨量少，部分骨小量断裂，成骨细胞和破骨细胞数量均增多，骨陷窝内破骨细胞活跃；骨密度下降。
13. N perifocal tissue intracerebral hemorrhage there were rarefaction neuron, cell spaces augmentation, cell diminution, distinct demarcation of cell membrane and surrounding, and we discovered a lot of degeneration and necrosis nerve cells, cell body collapsed, pycnosis anachromasis, nucleoli disappeared. In EPO group we discovered that center area of hemorrhage shinked, nerve cells of degeneration and necrosis decreased in perifocal tissue, majority cells morphous were normal and pathological changes were light.
CH对照组在术后皮层出血中心无神经元，仅见少量胶质细胞，细胞间质空泡样改变；出血边缘区神经元稀疏，细胞间隙增大，细胞缩小，胞膜与周围分界清楚，并可见大量变性及坏死的神经细胞，表现为胞体皱缩，核固缩深染，核仁消失。rhEPO治疗组出血中心区变小，边缘区神经细胞变性坏死减少，多数存活细胞形态相对正常，病变较轻。
14. Results The neurological defects score was singificiant lower in D group (41.50±8.18) than that in group A(82.20±8.08), B(63.60±6.22) and C (61.00±6.58)(all P.01). Compared with groups A, C, group D showed that the cellular nucleus was shrinkaged slightly, the gap of cells was nomal roughly and the degree of rarefaction in neurofibra net was not serious under the light microscope. Under the electron microscope, the neuron was degenerated, the cellular membrane was integrated and the plastosome was swelled lightly in the group D. The physiological demage were slighter in D group.
结果 D组神经功能缺损评分(41.50±8.18)明显低于A组(82.20±8.08)、B组(63.60±6.22)和C组(61.00±6.58)（均P.01）；光镜下D组神经细胞核轻度皱缩，细胞周围间隙大致正常，神经纤维网疏程度不严重；电镜下D组神经元轻度变性，细胞核无皱缩，核膜完整，线粒体轻度肿胀；脑组织病理损害程度较B组和C组明显减轻。
rarefaction的解释
15. As far as the compressed air and nitrogen gas are concerned, the effects of length of intermediate section, rarefaction strength and bursting pressure difference across diaphragm on second shock which pursues first shock are experimentally investigated.
在以压缩空气和氮气作实验气体的情形下，实验研究了中间段长度、稀疏波强度及中间段B膜的破膜压力对第二激波追赶第一激波的影响。
16. He believed that the changes things undergo could be explained in terms of rarefaction and condensation of air.
他相信物质的改变可以被解释为一系列的气体的稀释和浓缩。
17. It is found that the rarefaction part is different when the position in He Ⅱ bath varies.
结果显示在超流氦浴中，不同的位置的第二声波的波形，特别是冷却波具有较大的差异。
18. Shannon-Wiener index and Pielou evenness index were used to compare and check the feasibility of rarefaction in practice.
多样性指数之间的比较，需要样方的面积大小相等，否则没有实际意义。
rarefaction的反义词
19. In short, I would like to disengage my analysis from the privileges generally accorded the economy of scarcity and the principles of rarefaction
简而言之，我想让我的分析从普遍优先确定的稀缺经济与稀有原则中摆脱出来。
20. Those vibrations result in the compression and rarefaction of the surrounding air.
这些振动会导致周遭空气的压缩及稀少。
rarefaction 英英释义
noun
1. a decrease in the density of something
e.g. a sound wave causes periodic rarefactions in its medium
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