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form bubbles
相关语句
  形成气泡
     The elemental processes of flotation deinking are as follows: aeration as to introducing air into the fiber suspension to form bubbles, ink particle-bubble collision to form particle-bubble aggregate (inked foam), the inked foam is removed from the fiber suspension.
     其基本过程为 :充气并在纤维悬浮液中形成气泡 ,气泡与油墨粒子碰撞形成油墨粒子 -气泡粘附体 (泡沫 ) ,泡沫从纤维悬浮液中分离。
短句来源
  “form bubbles”译为未确定词的双语例句
     Compared with the titanium target made by IBED,helium in alumina is difficult to form bubbles. For titanium target,the implanted He dose for blistering is 4×1017-7×1017He/cm2,and this dose is very close to the dose value that makes flabes.
     钛靶的起泡注入剂量在4×1017-7×1017He/cm2之间,而且起泡剂量与泡破裂剂量相差不大; 较之新工艺制备的钛靶,氦在Al2O3中更不易形成氦泡.
短句来源
     When the temperature is lower than 0.5 Tm,helium cluster located in the interior of crystal grain congregates to form bubbles which are visible in TEM.
     温度低于0.5 Tm时,He泡以泡迁移和合并机制(MC)长大;
短句来源
     The second is that there lies some speculations of buying housing in the housing markets which may form bubbles of housing markets.
     住宅市场上可能存在较大的投机性购房行为,这有可能形成房地产泡沫;
短句来源
     The second is that there lies some speculations of buying housing in the housing markets which may form bubbles of housing markets.
     在住宅市场上可能存在较大的投机性购房行为,这有可能形成房地产泡沫;
  相似匹配句对
     On form
     “形式”论
短句来源
     The translation of form
     形式的转译——建筑表意探讨
短句来源
     Negative bubbles
     负气泡
短句来源
     Smaller surface tension of liquid mixtures is also beneficial to form smaller vapor bubbles.
     当液体混合物的平均表面张力较小时,也有利于形成较小较稳定的汽泡,从而有利于传质。
短句来源
     The cement slurry and the micro nitrogen bubbles therein form an expansion cement slurry.
     由于稳定剂的作用,氮气形成微小气泡并稳定地存在水泥浆中,形成气体膨胀水泥浆体系。
短句来源
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  form bubbles
The vortex array is very unstable to mechanical noise but can be held stationary with the addition of helium-3 which can lie along the vortex cores or form 'bubbles' in the surface dimples.
      
In fluid dynamics, when a shock wave encounters a fluid discontinuity, the interface may become unstable and form bubbles and spikes.
      
The strong stellar winds produced by massive stars form bubbles in the ISM, and the structure of these bubbles is often dominated by the structure of theHii region in which they are embedded.
      
These include the study of vacancy clustering in metals, clustering of He atoms to form bubbles, and solute clustering in alloys.
      
Ps can form bubbles in a liquid, and the surface tension of a mixture of the resin and the hardener was calculated from a simple empirical formula using the Ps lifetime; the resulting value is similar to that of the bisphenol-A epoxy resin.
      
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At room temperature, the proton enhanced backscattering technique and scanning electron microscopy are used to study the behaviour of implanted helium in titanium forget with different manufacturing process and alumina with different purity. The result proves that adhesion of the titanium film Prepared by ion.beam enhanced deposition(BED) is superior to that of the film made by vaporization.The release mechanism of helium in titanitum target and alumina is different.Compared with the titanium target made by...

At room temperature, the proton enhanced backscattering technique and scanning electron microscopy are used to study the behaviour of implanted helium in titanium forget with different manufacturing process and alumina with different purity. The result proves that adhesion of the titanium film Prepared by ion.beam enhanced deposition(BED) is superior to that of the film made by vaporization.The release mechanism of helium in titanitum target and alumina is different.Compared with the titanium target made by IBED,helium in alumina is difficult to form bubbles.For titanium target,the implanted He dose for blistering is 4×1017-7×1017He/cm2,and this dose is very close to the dose value that makes flabes.

报道了利用质子增强背散射和扫描电镜等方法,研究不同工艺制作的钛膜靶和不同纯度的Al2O3中注入的4He在室温下的行为.研究结果表明,离子束增强淀积新工艺制备的钛膜与基体的结合强度优于原来热蒸发镀制的钛靶;氦在Al2O3与在钛靶中具有不同的释放机制;钛靶的起泡注入剂量在4×1017-7×1017He/cm2之间,而且起泡剂量与泡破裂剂量相差不大;较之新工艺制备的钛靶,氦在Al2O3中更不易形成氦泡.

Microscopy observation proves that the Joule heating,pr od uced during the electrical operation of organic light-emitting diodes in the mi crometer areas can result in not only the crystallization of organic layers,but also the evolution of gases from the device.The gases gather at metal electrode/ organic layer to form bubbles.From mass spectra and gas chromatograph,it is indi cated that the evolved gases consist of not only moisture,but also organic impur ity gases and organic decomposed gases.For...

Microscopy observation proves that the Joule heating,pr od uced during the electrical operation of organic light-emitting diodes in the mi crometer areas can result in not only the crystallization of organic layers,but also the evolution of gases from the device.The gases gather at metal electrode/ organic layer to form bubbles.From mass spectra and gas chromatograph,it is indi cated that the evolved gases consist of not only moisture,but also organic impur ity gases and organic decomposed gases.For the devices with tris-(8-hydroxyquinoline) a luminum (Alq 3) as emitting layer,some Alq 3 molecules are decomposed and 8-h ydroxyquinoline gas is produced at 150℃.Ultraviolet photoelectron spectra show that the electronic structure of Alq 3 varies obviously after annealing at 150 ℃ for 5min.The change in the energy band structure of Alq 3 film will deterior ate the performance of devices.

采用显微观察的方法证明有机半导体电致发光器件处于工作状态时产生的焦耳热 ,不仅使有机物发生结晶现象 ,还使器件产生气体并向外逸出 ,气体集聚在金属电极 /有机层界面 ,从而形成表面气泡 .质谱、色谱分析表明 ,逸出气体的成分除了大量的水汽之外 ,还存在有机杂质气体和有机物分解气体 .在以 8-羟基喹啉铝 (Alq3)为发光层的器件中 ,当受热温度达到 15 0℃时 ,有机分子会发生分解 ,逸出 8-羟基喹啉气体 .紫外光电子能谱分析进一步证实 ,Alq3薄膜的受热温度达到 15 0℃时 ,其电子结构发生明显变化 ,由此可严重影响器件性能

Cell biomass harvesting is one of the key segments when culturing microalgae in large scale. Although many traditional methods such as centrifuging, filtration, flocculation and sedimentation can be applied to collect microalgal cells from culturing medium, their recovery efficiencies are all relative low due to low concentration and density of microalgal cells. Dissolved air flotation (DAF) is a novel solid-liquid separation technique, which is characterized of inducing fine gas bubbles mechanicallg...

Cell biomass harvesting is one of the key segments when culturing microalgae in large scale. Although many traditional methods such as centrifuging, filtration, flocculation and sedimentation can be applied to collect microalgal cells from culturing medium, their recovery efficiencies are all relative low due to low concentration and density of microalgal cells. Dissolved air flotation (DAF) is a novel solid-liquid separation technique, which is characterized of inducing fine gas bubbles mechanicallg to form bubble-cell aggregates, lowing density of agglomerates and forcing them to liquid surface thus realizing cells harvesting process. In the past decades, DAF has been applying to many biochemical separation fields such as enrichment of fermentation product, but there are little reports of its utilizations in microalgae harvesting. This paper focused mainly upon the feasibility of harvesting microalgal cell biomass by continuous dissolved air flotation with Spirulina pltensis as model organism, and the influences of a series of operation conditions such as recycle ratio, feeding concentration, saturation pressure and detention time on harvesting efficiency were evaluated in order to provide useful guide for microalgae culturing in industrial scale. The experiment system consisted of air compressor,saturation tank and flotation tower. The saturation tank,which was made of stainless steel, has a volume of 50L, and its safety operation pressure was in the range of 0.1—0.6 MPa.The flotation tank made of acryl glass had a diameter of 3.2 cm and a length of 50.0 cm. Harvesting Spirulina pltensis by DAF under continuous operation mode was performed as following firstly adjusting the flux rate of peristaltic pump and needle valve respectively according to set recycle ratio, after which simultaneously inducing saturated water and pre-flocculated cell suspension from the bottom and middle part of the flotation tank respectively. The concentrated and diluted cell suspensions were withdrawn from the top and bottom of flotation tower separately,the cell concentration of them were assayed until it reached steady state. The main results obtained from experiments were: ① Good flocculation behavior, which is beneficial to cell recovery, could be deduced by adjusting the pH of the algal suspension to 11.5—12.5. This method to flocculate alagl cell was much superior to commonly used cationic polyelectrolyte. Flocculation percentage of Spirulina cells reached 80% after 30 min of treatment by pH adjustment, which corresponded to the result of treatment under 100 mg/L of Al 3+for 60 min. ② The recovery of spirulina cell increased with the augment of recycle ratio, saturation pressure and detention time. When recycle ratio was elevated from 0.06 to 0.22, harvesting efficiency increased from 2% to 34% after 30 min of treatment. When saturation pressure was raised from 0.25 MPa to 0.35 MPa, cell recovery ascended from 26% to 36% after 30 min of treatment. ③ When feeding concentration was 0.799 and 0.211 ( OD 560), Cell recovery was 14% and 36% respectively after 30 min of treatment. This phenomenon demonstrated that the diluter the feeding concentration was, the high the harvesting efficiency could be, which suggesting that the DAF would be more effective when it is applied to dilute solid-liquid systems. ④ A macro-dynamic model that could well fit the experimental data was proposed.

以螺旋藻为模型藻 ,较为详细地研究了藻细胞的絮凝行为以及回流比、藻液浓度、溶气时间和溶气压力因素等对藻细胞连续气浮采收效率的影响。结果表明 ,调节pH值为 11— 12可使藻液产生良好的絮凝性能 ;增大回流比、提高溶气压力、延长溶气时间和接触停留时间 ,可有效地提高气浮采收效率 ;藻液浓度较低时 ,气浮采收效率较高。所提出的连续气浮采收动力学模型可较好地拟合实验结果。

 
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