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single-longitudinal
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  单纵
     The results of experiment indicate that: The time dither of output pulse of electro-optics Q-switch oscillator is less than 4 ns, pulse width is less than 6.7ns, output energy is 1.16mJ, single-longitudinal mode probability is 100%, energy stability of single pulse is 3%, and stability of pulse width is 4%.
     实验结果表明:电光调Q振荡器输出激光脉冲时间抖动小于4ns,脉冲宽度小于6.7ns,输出能量可达1.16mJ,单纵模几率为100%,单脉冲能量稳定度为3%,脉宽稳定度为4%。
短句来源
     A maximum single-longitudinal laser output power of 2.5 W was obtained when the pump power was 19.0 W.
     我们借助大功率LD列阵泵浦,在最大泵浦功率时获得了2.5W的单纵模输出。
短句来源
     Instabilities of single-longitudinal, multi-transverse-mode CO2 laser caused by transverse effects of optical field have been studied experimentally.
     对横向效应导致单纵模多横模CO_2激光器失稳进行了实验研究.
短句来源
     The characteristics of output frequency spectrum o? CO laser are rep-orted. It shpws that the line is operated in a single-longitudinal mode, that the cavity length is tuned, the frequency will be sweeped at a range of C/2L over the gain profile.
     本女报导了CO激光器的输出频谱特性,指出CO激光谱线是单纵模,调谐腔长,振荡频率在增益剖面上扫描,调谐范围为C/2L。
短句来源
     Single-longitudinal mode and TEM00 mode continuous wave outputs are obtainedwith an F-P etalon inserted in the ring cavity. Diode-pumped single-frequency bidirectional CW solid-state ring laser has been operated and its output powers are measured, the stability of which is 0.4% in 100s sampling time.
     使用F-P标准具选模,实现了单纵模运转,实验获得了LD泵浦单频双向连续固体环形激光器,并测量了其双向输出功率特性,单路输出功率稳定性100s内为0.4%。
短句来源
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  单纵模
     The results of experiment indicate that: The time dither of output pulse of electro-optics Q-switch oscillator is less than 4 ns, pulse width is less than 6.7ns, output energy is 1.16mJ, single-longitudinal mode probability is 100%, energy stability of single pulse is 3%, and stability of pulse width is 4%.
     实验结果表明:电光调Q振荡器输出激光脉冲时间抖动小于4ns,脉冲宽度小于6.7ns,输出能量可达1.16mJ,单纵模几率为100%,单脉冲能量稳定度为3%,脉宽稳定度为4%。
短句来源
     A maximum single-longitudinal laser output power of 2.5 W was obtained when the pump power was 19.0 W.
     我们借助大功率LD列阵泵浦,在最大泵浦功率时获得了2.5W的单纵模输出。
短句来源
     Instabilities of single-longitudinal, multi-transverse-mode CO2 laser caused by transverse effects of optical field have been studied experimentally.
     对横向效应导致单纵模多横模CO_2激光器失稳进行了实验研究.
短句来源
     The characteristics of output frequency spectrum o? CO laser are rep-orted. It shpws that the line is operated in a single-longitudinal mode, that the cavity length is tuned, the frequency will be sweeped at a range of C/2L over the gain profile.
     本女报导了CO激光器的输出频谱特性,指出CO激光谱线是单纵模,调谐腔长,振荡频率在增益剖面上扫描,调谐范围为C/2L。
短句来源
     Single-longitudinal mode and TEM00 mode continuous wave outputs are obtainedwith an F-P etalon inserted in the ring cavity. Diode-pumped single-frequency bidirectional CW solid-state ring laser has been operated and its output powers are measured, the stability of which is 0.4% in 100s sampling time.
     使用F-P标准具选模,实现了单纵模运转,实验获得了LD泵浦单频双向连续固体环形激光器,并测量了其双向输出功率特性,单路输出功率稳定性100s内为0.4%。
短句来源
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  “single-longitudinal”译为未确定词的双语例句
     980 nm Non-Anti-Reflection-Coated Fiber Grating Laser for Single-Longitudinal Mode Operation
     980nm单模运转未镀增透膜光纤光栅激光器
短句来源
     We have experimentally studied the instabilities of a homogeneously broadened single-longitudinal mode CO2 laser with transverse magnetic field.
     在外加磁场的情况下,对单模均匀展宽CO_2激光器进行了实验研究。
短句来源
     In this paper, a new way is provided to select single-longitudinal mode pulse using Q-swithed method on the decent shape of Nd∶YAG fluorescent radiation pumped with xenon lamp.
     在灯抽运Nd∶YAG激光器的基础上 ,提出一种新颖的在激光工作物质荧光辐射后沿控制KD P电光晶体调Q选单纵模的方法。
短句来源
     A high peak-power single-longitudinal mode(SLM) Q-switched laser which seeding injected by a laser diode(LD) pumped continuous-wave monolithic single-frequency unidirectional non-planar ring oscillator(NPRO) is investigated.
     利用激光二极管(LD)抽运的单块非平面单向行波环形腔单频固体激光器作为种子源,对电光调Q的功率激光器进行种子注入。
短句来源
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  single-longitudinal
We have performed numerical simulations on the single-longitudinal mode operation for the FGL.
      
The FGL demonstrates a single-longitudinal mode operation with a side-mode suppression ratio (SMSR) of up to 40 dB.
      
1.55-μm non-anti-reflection-coated fiber grating laser for single-longitudinal mode operation
      
Experimental results are presented concerning some peculiarities of frequency tuning of single-longitudinal-mode He-Ne lasers at 632.8 nm which single-mode selection is performed by increasing the homogeneous broadening of laser transition.
      
Single-longitudinal-mode operation with side-mode suppression of more than 35 dB is obtained at 5 mW.
      
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In 1928 Curt demonstrated that non-human schistosome cercariae are capable of producing dermatitis in man. Since then many species of avian and mammalian schistosomes have been shown to produce similar disease in different parts of the world. In 1958 a kind of schistosome dermatitis locally known as 'Ya-Mu-Lan' (meaning duck-saliva-disease) was discovered in Foochow, Fukien Province. The infection occurred among farmers who waded in canals and ditches, while taking care of ducks in their natural environment....

In 1928 Curt demonstrated that non-human schistosome cercariae are capable of producing dermatitis in man. Since then many species of avian and mammalian schistosomes have been shown to produce similar disease in different parts of the world. In 1958 a kind of schistosome dermatitis locally known as 'Ya-Mu-Lan' (meaning duck-saliva-disease) was discovered in Foochow, Fukien Province. The infection occurred among farmers who waded in canals and ditches, while taking care of ducks in their natural environment. The same dermatitis was reported from Yung-siao district bordering Kwangtung. In Szechwan a similar disease was reported by T. C. Pap (1957) where it was known as 'Ya-Si-Feng' (meaning duck-feces-disease). From the endemic area in Foochow, 10, 145 snails belong to the species Lymnaea (Radix) plicatula Benson were examined and a kind of ocellated fork-tailed cercaria was discovered. Another closely related snail, Lymnaea (Fossaria) ollula Gould was also found infected but the incidence of infection was somewhat lower. Experiments were conducted to infect laboratory reared ducklings and full grown ducks, the feces of which were examined to be free from schistosome eggs. Ten to twelve days later edult worms were recovered in the mesenteric and portal veins and a few specimens were found in the lungs and heart. Lymnaea (Radix) plicatula were also experimentally infected with miracidia hatching out from eggs secured from the infected duck.Studies on the morphology of both the adult worms and the developmental larval stages were made and the details are reported in the present communication.Our observation indicates that the worm belongs to a species of Trichobilharzia different from any other known species. The name Trichobilharzia paoi sp. nov. is proposed after Prof. T. C. Pap of Chungking Medical College, Szechwan.Description of the adult worm:Male: Body slender, total length 5.35-7.31mm. width 0.076-0.095mm. Oral sucker measures 0.051-0.060ram×0.043-0.060mm in diameter. Ventral sucker, the surface of which is armed with small spines, measures 0.051-0.060mm in diameter. Oesophagus. bifurcates anterior to the ventral sucker at a distance about anterior two-thirds between oral sucker and acetabulum. Intestinal caeca iun posteriorly on two sides and reunite behind the gynaecophoric canal, which is a longitudinal slit 0.237-0.380mm in length and 0.123-0.152mm in width. Gynaecophoric canal is foimed by inward folding of two lateral sides of the body bearing numerous spines. Testes round, 70-90 in number arranged in a single longitudinal row. Their diameter ranges 0.051-0.064mm. Seminal vesicle occupies an area from a level immediately posterior to the ventral sucker to the fore margin of gyneacophoric canal. It measures 0.172-0.447mm in length and 0.038-0.055mm in width.Female: More delicate than male, length 3.38-4.89mm, greatest width 0.076-0.114mm. Oral sucker terminal with mouth openning on its ventral aspect, diameter 0.051-0.056mm×0.038-0.051mm. Ventral sucker, a small solid organ, measures 0.030-0.040mm×0.035-0.043mm in diameter. Oesophagus bifurcates at some distance before the acetabulum. Intestinal ceaca reunite behind the ovary, forming a single caecum passing to near the posterior end of body. Ovary spiral in shape with a length 0.253-0.352mm and a width 0.021-0.025mm. Seminal receptacle elongated in form, is connected to the ovary on its posterior aspect. A Laurer's canal is present. It originates from Seminal receptacle and opens to the exterior. The oviduct starts from the ovary, runs parallel with the vitalline duct to the anterior of ovary, where they unite together forming the ootype, surrounded on all sides by a cluster of unicellular Mehlis glands. The uterus is short and contains only one egg. Female genital pore is immediately postacetabular. Egg is spindle or elongate oval in shape with a sharp curved spine at one end. Egg measures 0.236-0.316mm×0.068-0.112mm. Avian schistosomes parasitising domestic and wild ducks and other birds belong to the subfamily Bilharziellinae Price, 1929, and family Schistosomatidae Looss, 1899. They were formerly considered to belong to two genera, namely Pseudobilharxiella Eismont, 1929 and Trichobilharzia Skrjabin and Zkharow, 1920. Yamaguti (1958) consideted Pseudobilharziella to be the synonym of Trichobilharzia and listed 22 species in his "Systema helminthum". Recent additions of some new species made up the total of about 25 species. In comparing the structure, it is found that the Chinese species belongs to those duck schistosomes with spindle-shaped eggs. Among them the most closely related is T. yokogawai (Oiso, 1927), from which it differs in several important aspects, such as the size of the worm, the extent of gynaecophoric canal, number of testes and size of eggs. Their different characters are tabulated as follows:T. yokogawai T. paoi n. sp. Male Body length 2.0-2.75mm 5.35-7.31mm (Foochow specimen)average 2.336mm 4.0-10.3mm (Chungking specimen) Position of immediately behind 0.371-0.495mm behind gynaecophoric Acetabulum acetabulum (Foochow specimen) canal 0.35-0.57mm behindacetabulum (Chungking specimen) T. yokogawai T. paoi n. spLength of 0.2mm 0.247-038mm (Foochow specimen)gynaecophoric 0.35-0.41mm (Chungking specimen)canalNumber of 50-70 70-90 (Foochow specimen)testes 50-85 (Chungking specimen)Size of eggs Length 0.204-0.238mm 0.236-0.316mmWidth 0.051-0.068mm 0.068-0.112mm (Foochow specimen)0.215mm0.075mm (Chungking specimen)From the above table it can be noticed that these two species can be distinguished by these essential differences.T. paoi is, furthermore, differentiated from T. physellae, another closely related species by the number of testes, which is about 210-240 in the latter and are arranged in two to three rows. Tanaka (1960) reported another duck schistosome from Oki Island, which he identified as T. physellae. According to this auther, the male has only 52-78 testes, the seminal vesicle is much shorter reaching only about half distance between gyaaecophoric canal and the acetabulum. Another striking difference is that the intestinal ceaca of T. physellae from Oki Island reunite at the region anterior to the seminal vesicle, while in T. paoi they reunite behind the Seminal receptacle at the level anterior to the gynaecophoric canal.Macfarlane (1944, 1949) and Olivier (1949) have shown that the dermatitis produced by avian schistosomes is a sensitization phenomenon. They have demonstrated striking differences in the reaction of skin of infected animals to the penetration of cercariae in the initial and subsequent infections, and presented evidence for the ideathat human cases also become increasingly allergic to the protein of invading schistosome cercariae. In order to make further inquiries on this problem and to investigate whether Chinese species of Trichobilharzia will induce similar reactions in the mammalean host, experiments were conducted to infect laboratory-reared white mice and biopsies made of the skin in the first and also after a series of repeated infections It is with the purpese to observe the behavior of the cercariae after having penetrated into the body of an abnormal host, and to trace the course of their migration and destiny.1. Tissue reaction in primary infection: Histological sections were made on biopsies on various intervals after infection, one and half hour, 3 hours, 5 hours, 8 hours, 21 hours etc. At one and half to three hours after exposure, the cercariae already penetrated the epidermis. Some of them were in the hair follicles. A few arrived at the corium. Those just penetrated Corneum stratum were found lying there horizontally, and usually there was a small tunnel or cavity, formed among the epithelial cells, surrounding each cercaria. Such phenomenon is similar to that as observed by Gordon and Griffiths (1951) on the behavior of the cercaria of Schistosoma mansoni. Olivier and Weinstein (1953) also observed the same in Trichobilharzia ocellata. During early hours of invasion there was apparently very little cellular response to the cercariae. Those, which invaded the corium, were surrounded by a small number of leucocytes. Apparently the cercariae were still in good condition. They were probably living at the time of biopsy as indicated by their intact cell structure being well stained, 21 hours after infection, the tissue shows more infiltration of white cells and histiocytes. More of them gathered around the cercariae, some of which appeared as having signs of histolysis, while others seem still quite normal. Observations made on tissues fixed at later hours after infection indicated that even in the primary exposure, great majority of the invading cercariae were already arrested and immobilized in the epidermis and not able to invade further into the body.A small part of the cercariae, however, were found to migrate to the lung tissue. They were evidently being carried by the blood stream to the new site, where they produced considerable tissue damage and hemmorrhage. In our experiments with mice infected 20 hours previously, petechial hemorrhages were present on the surface of the lung. Infection experiments were conducted on 19 mice, each of which was infected with 80 to 250 cercariae. Dissections of the animals were made at various intervals from one day to about a month since exposure. The largest number of worms and hemorrhagic spots were found on the lung tissue during the second and third day after infection. Of the 19 mice, 15 were found to show pulmonary lesions. The number for each mouse ranges from one to 86. From eleven of them, worms were recovered from the tissue and from each mouse from one to 15 worms were counted. When the dissections were made during the first three days, the worms were still living. As time elasped, only formation of nodules were found. Sectioned nodules contained worms which were either dead or moribund.2. Tissue reaction in repeated infections: A

1.在福建省各地流行着一种称为“鸭姆涎”的血吸虫皮肤疹,特別在鸭群放牧的地区,农民下水,手足发痒。这种皮肤疹的病原,经調查系一种寄生于家鴨体內的新种血吸虫,定名为包氏血吸虫。Trichobilharzia paoi Sp. Nov. 2.本虫的雄虫及雌虫經詳細叙述。其寄居的位置也經确定以門靜脉为最多,其次为腸系膜靜脉,并在肺部及心脏也有寄居。3.本虫的中間宿主为两种椎实螺Lymnaea(Radix)plicatula Benson及Lymnaea(Fossaria)ollula Gould。4.发育各期均在实驗室內詳經現察,包括卵、毛蚴、母胞蚴、子胞蚴和尾蚴,及成虫名阶段的发育。各期的构造經詳細的叙述。尾蚴的习性也經观察和叙述。5.本虫的分类問题經詳細討論。6.尾蚴侵入实驗动物——小白鼠后所引起的組织反应,經详细研究。实驗曾經举行比較初次感染和重复感染后组织对于侵入的虫体所引起的不同程度的反应。实驗証明初次感染的,幼虫能侵入表皮、皮层及真皮,白血球浸潤的現象较为微弱,虫体在一两天內尚是存活?啻胃腥镜慕M織內反应较为强烈,白血球以及組織吞噬細胞包圍虫体的更多?嫣宓妮喞炔幻飨员硐植皇谴婊畹那榭觥N豺是秩胄“资筇迥...

1.在福建省各地流行着一种称为“鸭姆涎”的血吸虫皮肤疹,特別在鸭群放牧的地区,农民下水,手足发痒。这种皮肤疹的病原,经調查系一种寄生于家鴨体內的新种血吸虫,定名为包氏血吸虫。Trichobilharzia paoi Sp. Nov. 2.本虫的雄虫及雌虫經詳細叙述。其寄居的位置也經确定以門靜脉为最多,其次为腸系膜靜脉,并在肺部及心脏也有寄居。3.本虫的中間宿主为两种椎实螺Lymnaea(Radix)plicatula Benson及Lymnaea(Fossaria)ollula Gould。4.发育各期均在实驗室內詳經現察,包括卵、毛蚴、母胞蚴、子胞蚴和尾蚴,及成虫名阶段的发育。各期的构造經詳細的叙述。尾蚴的习性也經观察和叙述。5.本虫的分类問题經詳細討論。6.尾蚴侵入实驗动物——小白鼠后所引起的組织反应,經详细研究。实驗曾經举行比較初次感染和重复感染后组织对于侵入的虫体所引起的不同程度的反应。实驗証明初次感染的,幼虫能侵入表皮、皮层及真皮,白血球浸潤的現象较为微弱,虫体在一两天內尚是存活?啻胃腥镜慕M織內反应较为强烈,白血球以及組織吞噬細胞包圍虫体的更多?嫣宓妮喞炔幻飨员硐植皇谴婊畹那榭觥N豺是秩胄“资筇迥?有一部分能侵入肺部,产生出血斑点及結节。結节內有虫体凋炘^明首次感染的小白鼠侵入肺部的虫体,出血斑点及結节均更多,重复感染的逐次減少。多次重复感染后肺部找不到虫体或找到极少数的虫体和出血斑点。7.本文就实验的結果进行討論。

The laser transition cross sections of YAP:Nd crystals are calculated by using group theory. The values of these cross sections for general elliptically polarized light are shown to be determined by three parameters. The theoretical results are verified by experiments and demonstrated by the construction of a wave length variable laser. We analysed two laser structures in which the transmission matrices are Z7-matrices, and calculated the polarizations and frequencies of their eigenmodes. Experimental results...

The laser transition cross sections of YAP:Nd crystals are calculated by using group theory. The values of these cross sections for general elliptically polarized light are shown to be determined by three parameters. The theoretical results are verified by experiments and demonstrated by the construction of a wave length variable laser. We analysed two laser structures in which the transmission matrices are Z7-matrices, and calculated the polarizations and frequencies of their eigenmodes. Experimental results agree with the theory well. The results obtained in our work can be used in construc-tion of a single longitudinal mode laser with enhance output and to suggest a new method of modulation for lasers.

计算了YAP:Nd晶体激光跃迁截面,任意椭圆偏振光的跃迁截面由三个参数确定。实验证实了计算的结果,并且用来得到波长可变的激光器。讨论了传输矩阵为U矩阵的两种激光器结构,计算了本征模式的偏振和频率,实验和理论基本符合。它们可以用来得到较大输出能量的单纵模激光器和激光器的新的调制方法。

A twin-mesa GaAs-(AlGa) As laser integrated with a passive waveguide is described. It is characterized by amplification with electro-optical injection and mode locking. The laser can be oscillated in a single longitudinal and fundamental transverse mode with a △λ about 1-1.6A by adjusting the synchronous pulse driving currents of both mesas A and B at slightly above threshold. When the ambient temperature is changed abont 1~2℃, a single mode operation can be still obtained.

本文报道一种波导耦合集成型双台面GaAs-(GaAl)As激光器.它具有电、光注入锁模放大特性.控制二个台面的同步脉冲电流稍高于阈值时,可使激光器工作在单纵模、基横模,激射光谱半宽(?)λ约1~1.6(?).当环境温度变化1~2℃时,也能获得单模输出.

 
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