By muffling volume of barrel dissipative muffler is tested in test-bed, muffling volume of A class and each time of spectrum are obtained under various velocity of airflow.

  • 通过实验台对筒式阻性消声器的消声量进行测试,测得了不同气流速度下,筒式阻性消声器的A声级消声量和各倍频程的消声量。
  • 来源:互联网摘选更新时间:2025-01-20 12:31:45

  • 重点词汇
  • mufflingv.压抑,捂住( muffle的现在分词 );用厚厚的衣帽包着(自己);
  • ofprep. 关于;属于…的;由…制成;
  • aart. (用于可数名词或单数名词前,表示未曾提到的)一(人、事、物);用于前有形容词或后有短语的不可数名词前;一(个);每一(个);任一(个);
  • barreln.桶;一桶的量;枪管;
  • byprep. 在…旁边;表示方式;由于;经过;到…之前;
  • mufflern.围巾;消声器,消音器;
  • each time每次,总是,每当;逐次;
  • velocityn.速率,速度;周转率;高速,快速;
  • 相关例句
1、

The dissipative attenuation Mechanism of the Mn-Zn ferrite that involved the natural resonance, the piezoelectric resonance and the magnetic hysteresis loss are also studied.

本文还分析了锰锌铁氧体自然共振、磁滞损耗和畴壁共振等磁极化机制衰减吸收电磁波的各种机理。

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3、

While analyzing to experiment the phenomenon, dielectric polarization and dissipative mechanism are used for qualitative analysis, then put forward the frequency wave segment of eddy magnetic, which is likely to working on ice crystal's vegetal.

在分析实验现象时,利用介质极化和松弛损耗机理进行定性分析,提出了可能存在影响冰晶生长的旋转磁场频率波段。

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4、

It is found that the effects of inhomogeneous magnetic field in high β plasmas are important, the kinetic resonance act as a dissipative effect, which can enhance the instability and broaden the unstable region of negative energy DCLC mode.

发现在高β等离子体中,磁场非均匀效应是非常重要的,磁漂移共振对于负能的模起耗散作用,从而使原有的DCLC不稳定性加强,而且不稳定性的参数区域大大扩展了。

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5、

In addition, the dissipative effect of detection on the entanglement and quantum discord of the system has been analyzed.

同时,分析了探测器对体系的纠缠和量子discord的耗散作用。

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6、

Methods: Clinical features of 8 patients with disseminated histoplasmosis were analysed retrospectively in order to find out the cause of misdiagnosis.

方法:对我院收治的8例播散型组织胞浆菌病患者进行临床分析,找出误诊原因。

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7、

Objective: To study the imaging manifestations and clinical values of progressive disseminated histoplasmosis ( PDH).

目的:分析讨论播散性组织胞浆菌病的影像学表现及价值。

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8、

Clinical and Imaging Manifestations of Progressive Disseminated Histoplasmosis

播散性组织胞浆菌病的临床及影像学表现

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9、

A case of disseminated histoplasmosis with oral mucosal ulcer as presenting manifestation

首发于口腔黏膜的播散性组织胞浆菌病1例

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10、

Nursing Care of the Patients with Disseminated Histoplasmosis

播散性组织胞浆菌病患者的护理

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11、
12、

Differential Diagnosis of Visceral Leishmaniasis, Progressive Disseminated Histoplasmosis and Penicilliosis Marneffei

内脏利什曼病、播散型组织胞浆菌病及马内菲青霉菌病的诊断和鉴别

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15、

Finally, the influence of electrical resistivity on the apparent intensity of polarization of disseminated spherical ore bodies is discussed.

本文最后讨论了电阻率因素对浸染型球体视极化率强度的影响。

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16、

A process of recovering gold from the finely disseminated gold ore with minor sulphides and its application

某贫硫化物复杂含金矿石选冶技术研究与应用

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17、

Research on the Flotation Process for Finely Disseminated Fluorite Ore from Inner Mongolia

内蒙古某细粒嵌布萤石矿浮选工艺研究

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18、

Prospecting Symbols of Fine Grain Disseminated Gold Ore Deposits in Southwestern Guizhou

黔西南微细浸染型金矿的找矿标志

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19、

Experimental study on gold extraction from fine grained disseminated gold ore

微细粒浸染型金矿石选金试验研究

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20、

However, in immunocompromised or immunodeficiency individuals, such as patients with tumor, AIDS patients, et al, T. gondii tachyzoites could multiply rapidly and cause disseminated lesion in the body, even result in death of the patients.

但对于免疫功能受损或缺陷者,如肿瘤病人,AIDS患者等,弓形虫在患者体内可以大量增殖,引起全身播散性损害,严重者可导致死亡。

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