查询词典 high pressure

The autofrettage analysis of high-pressure vessel of linear strength material with different yield strength in tension and compression based on the Mohr's yield criterion is dealt with.

运用莫尔屈服准则，对承受内压的拉压屈服强度不同的线性强化材料高压容器进行了自增强分析，得到了依赖于材料拉压比和强化模量的筒壁弹性区与塑性区中的应力、残余应力及合成应力的分布。

Moreover, herbs like aweto cannot be washed clean with water. They should be cooked for a long time or at high pressure.

而且，这些物质用普通的水洗方法，并不能去除干净，只有经过长时间的煮或者高压处理，才能真正保证卫生。

The invention discloses a dielectric hole-microhole composite material and synthesizing method in the inorganic porous material, adsorbing material and catalytic material technical domain, which comprises the following steps: adopting zeolite molecular sieve as raw material; reacting with sodium bisilicate solution under 30-60 deg.c for 10-300 min; disintegrating particle part of zeolite molecular sieve into piece with microhole structure; adding cetyl trimethyl ammonium bromide as molder; adjusting pH value of mother liquid to 10-12; aging 1-8h; adding in the high-pressure autoclave to do water heat synthesizing reaction at 80-130 deg.c for 24-72h; separating solid; washing; drying; sintering under 500-600 deg.c for 5-10h; obtaining the Si-Al porous material with dielectric hole and microhole composite structure.

本发明属于无机多孔材料、吸附材料和催化材料技术领域，涉及具有介孔-微孔复合材料及其合成方法。其特征是以沸石分子筛为原料，用偏硅酸钠的水溶液在30～60℃反应10～300分钟，使沸石分子筛的颗粒部分解离形成具有微孔结构的碎片，加入模板剂十六烷基三甲基溴化铵，然后调节母液pH值为10～12，老化1～8小时，然后加入高压釜于80～130℃进行水热合成反应。反应24～72小时后，分离出固体，水洗、干燥，然后于500～600℃焙烧5～10小时，得到具有介孔和微孔复合结构的硅铝多孔材料。本发明的效果和益处是所发明的合成方法可用于合成多种沸石结构和介孔结构的复合材料，所合成的材料经过质子交换可以具有较强的酸性，在吸附和催化领域具有广泛应用前景。

In this paper, a stainless steel tube bugled a rhombus by internal high pressure forming was used as investigated target. According to different features of deformation, the tube has been divided into three different deformation areas and the stress-strain distribution has been analyzed at different hydroforming stages and different areas.

本文针对不锈钢管材内高压胀形出菱形形状为研究对象，根据不同的变形特征将管材划分为三个变形区域，并分析了管材在内高压成形工艺不同阶段不同区域的应力应变分布。

The first-class sewing technology and technique mesa, waterproof, fit high pressure, shockproof, prevent fine internal heat, fiber burring protection function, fine workmanship, quality assurance.

一流的缝纫技术和台面手工技术精工细作而成，高防护，防水，耐压，防震，防挂花，散热的优良内在保护功能，做工精细，质量保证。

To the cases with prominent high pressure, dehydration should be applied cautiously to avoid cardial or renal failure.

本病有显著高颅压者过多使用脱水剂宜谨慎，以防出现心、肾功能衰竭。

Analyzing the changing rule of reaction time under road lighting level of different lighting sources can ascertain the luminance contrast coefficients of different lighting sources to high pressure sodium lamp, then appropriate lighting source can be selected based on these coefficients during road lighting designing, road lighting could achieve the aim of safely, quickly, cozily run and energy saving.

分析不同光源在道路照明水平下的反应时间变化规律，可以确定不同光源对高压钠灯的亮度对比系数。在进行道路照明设计时，就能选择合适的照明光源，使道路照明进一步达到安全、快速、舒适和节能的目的。

The carbon foam were prepared by self-bubbling at high pressure from AR pitch added sodium dodecyl benzene sulfonate and Span-40, respectively. The bulk density, pore rate, compressive strength, thermal conductivity at room temperature and crystallitic parameters of carbon foam were measured. The rheological properties of AR pitch and pore structure of carbon foam were investigated.

以十二烷基苯磺酸钠和Span-40表面活性剂为添加剂，AR沥青为原料，制备炭素泡沫材料，测定了材料的体积密度、显气孔率、压缩强度、常温热导率以及微晶结构参数，研究了添加表面活性剂后AR沥青的流变性能和炭素泡沫材料孔胞结构的变化。

In situ Raman spectra of cycloheptane have been characterized under high pressure generated by diamond anvil cell at room temperature.

利用金刚石对顶砧装置产生高压，在室温下对环庚烷进行了高压原位拉曼光谱研究。

The thermodynamics was calculated in detail for dodecane to dodecene by catalytic dehydrogenation at low temperature and high pressure.

较为系统地计算了正十二烷脱氢的主反应在较低温度和较高压力下的热力学数据，并对较高压力下的浓度和热力学函数进行了校正。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。