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     It isconsidered that photographic display of the two vector loops could provide a suit-able approach to determining the instantaneous left ventricular pressure-dP/dtrelation and pressure—(dP/dt)/P relation which Were used to estimate myocardialcontractility.
     讨论了两环的形态特征以及干扰两环图形的方法学因素。 本文认为,摄制 P-dP/dt 环和 P-(dP/dt)/P 环的优点在于:可以在两环上分析心动周期中任一瞬间 P 与 dP/dt 以及 P 与(dP/dt)/P 的对应关系;
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     X-ray films of lower limb were taken and the density of bone was analyzed by POS micro ray-density instrument and PC.
     摄制后肢X射线片,运用POS显微光密度仪和PC机分析X射线片密度。
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     The cervical spinal canal at C_3-C_7 (200 in total) of 40 adult cervical spinal columns were measured on the axis radiograph.
     本文报道对40例成人尸体颈柱,由C_(3~7)分离成200个颈椎,由轴位摄制X线平片。
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     Production of scene telefilm in forest ecological tourism
     谈森林生态旅游风光片的摄制
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     Digital TV is one television system in which all programme editing, sending, transmitting, and signal receiving, processing, displaying are conducted in the form of digital data.
     数字电视(Digital TV)是一个从节目摄制到节目编辑、发射、传输、到信号接收、处理显示完全数字化的电视系统。
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     Multimedia-film producing of cold-endurance exercise
     耐寒锻炼多媒体摄制
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     Producing a Film of Classroom Education Kinescope
     课堂教学录像的摄制
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  filmmaking
The politics of filmmaking: An investigation of the Central Film Censorship Committee in the mid-1930s
      
This essay explores the influence of dreams and dreaming on the filmmaking of DavidLynch.
      
Lynch's filmmaking offers an excellent case study of the powerful connection between dreaming and movies in contemporary American society.
      
Filmmaking method involving slow gelatinization and drying rate resulted in the highest fraction of KS released at equilibrium.
      
In the recent years the world has witnessed an unprecedented expansion in the global audio-visual industry and actions have been initiated to strengthen its actors, especially in filmmaking and video production.
      
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In the present paper, the following five systematic steps for microidentification of organic compounds have been studied: 1. Detection of elements: A rapid and simple micro-method was developed for the detection of fourteen important hetero-elements(N, F, Cl, Br, I, S, P, As, Sb, Hg, Si, Sn, B, Fe)in organic compounds. The sample having been broken down by Schoniger oxygen-flask combustion, the resulting ions were separated and detected by using Weisz ring oven technique. Several color reactions for the detection...

In the present paper, the following five systematic steps for microidentification of organic compounds have been studied: 1. Detection of elements: A rapid and simple micro-method was developed for the detection of fourteen important hetero-elements(N, F, Cl, Br, I, S, P, As, Sb, Hg, Si, Sn, B, Fe)in organic compounds. The sample having been broken down by Schoniger oxygen-flask combustion, the resulting ions were separated and detected by using Weisz ring oven technique. Several color reactions for the detection of nitrate, sulfate and halogen ions on ring oven have been modified to improve the selectivities as well as sensitivities. The detection limits for elements were 0.01 to 1μg in sample weighing 50—500 wg(cf Table 1, 3, 4, 5 in the Chinese text). 2. Determination of physical constants: Triphenyl silanol(m. p. 155.5℃, K=15)and triphenyl phosphine(m. p.79.5℃, K=12)have been proved to be suitable solvents in micro Rast cryscopic molecular weight determination for elemento-organic compounds. 3. Classification tests: The traditional classification by solubility has been modified for micro-analysis in two respects:(i)two new in. dicators were employed to classify the acids and bases instead of testing the solubilities in reaction solvents. Our indicators seemed to be more sensitive than those suggested by Davidson(cf. Table 8—10);(ii)Oxygen-containing compounds were detected by Ferrox test instead of testing solubility in conc. sulfuric acid. In order to increase the sensitivity of detection, the micro-technique of using ion-exchanger or silica gel grains as reaction media was employed. 4. Detection of functional groups: Based on the principle of ring-oven technique, a more simply constructed“Pinch-Clamp Line Oven”was designed. Some common organic functional groups(acid anhydrides, acid halides, alcohols, aldehydes, amines, amino acids, carbohydrates, carboxylic acids, esters, glycols, ketones, phenols)have been detected with this specific tool.(see Table 11). 5. Preparation of derivatives: The specific reagents for identifying aldehydes, 1,2-bis anilino ethane(DAE)and 1,2-bis(p-bromo benzyl amino)ethane(DBE)heve been studied. Owing to its higher molecular weight and the lower solubilities of its aldehyde derivatives, DBE seemed to be more suitable than DAE for the micro-iden-ti fication of water-insoluble aldehydes in organic mediums. Aldehyde derivatives prepared from the two reagents could be charact-erized not only by their sharp melting points(see Table 12)but also by their well-defined crystalline forms. Thirty-two photomic-rographs of these crystalline derivatives have been taken for this purpose(see fig 2—33). The neutral equivalent weights of DAE and DBE derivatives determined by non-aqueous titration will be added as further aid in identi-fication. A micro-manipulation for titration was developed.

1.用氧瓶燃烧法与环炉技术相结合检定了有机化合物中14种重要杂元素,检出限度为0.01—1微克,样品取量50微克至500微克。 2.提出了用三苯基硅甲醇(K=15)及三苯基膦(K=12)作为Rast法测定分子量的溶剂,适合于测定某些元素有机化合物的分子量。 3.用两种灵敏度较高的指示剂于分组试验,并放进了硫氰酸铁试氧法,使分组系统与习用已久的溶解度分组系统相同,而试验方法适合于微量分析。 4.用线炉技术检定了12种重要有机功能团。 5.合成了1,2-二(对溴苄氨基)乙烷作为鉴定醛类的专属性试剂,用它制备了二十余科醛类衍生物,熔点一般分布在75—210℃之间。并摄制了这些衍生物与用1,2-二苯氨基乙烷制得的醛类衍生物共三十余种结晶的显微照片,进行化学显微鉴定。提出了微量非水滴定测定这些衍生物中和当量的方法。

l.Ten species used were Malus pumila, Malus micromalus, Malus halliana, Malus spectabilis, Malus baccata, Malus hupehensis, Malus sieboldii, Malus soulardii, Pyrus communis and Pyrus bretschneideri. The phenological phase of reduction division of pollen mother cells and the morphological character of flo-wer buds at reduction division stage were examined.

1.查明了苹果属和梨属十个种(苹果、垂丝海棠、海棠花、山定子、西府海棠、湖北海棠、三叶海棠、白海棠、白梨和西洋梨)花粉母细胞减数分裂的物候期及其在减数分裂期的花芽形态标志。2.观察并摄制了苹果二倍体品种金帅、三倍体品种伏花皮和梨二倍体品种巴梨减数分裂全过程的显微图。3.观察了苹果二倍体品种金帅和国光减数分裂中期Ⅰ染色体配对和构型,提出了进一步研究这一问题的设想。

Experiments were performed on anesthetized open-chest dogs and indicesincluding maximum rate of intraventricular pressure rise(±dP/dt max)time to peakdP/dt,maximum velocity of contractile element shortening(Max V_(CE)or Vmax),physiological maximal shortening velocity(Vpm),V_(CE)at commom isovolumic intra-ventricular pressure(VCE-cpip)as wall as the pressure-dP/dt vector loop and pres-sure-(dP/dt)/P vector loop were recorded by means of 8-channels polygraph with anelectronic differentiator and attached oscilloscope.The...

Experiments were performed on anesthetized open-chest dogs and indicesincluding maximum rate of intraventricular pressure rise(±dP/dt max)time to peakdP/dt,maximum velocity of contractile element shortening(Max V_(CE)or Vmax),physiological maximal shortening velocity(Vpm),V_(CE)at commom isovolumic intra-ventricular pressure(VCE-cpip)as wall as the pressure-dP/dt vector loop and pres-sure-(dP/dt)/P vector loop were recorded by means of 8-channels polygraph with anelectronic differentiator and attached oscilloscope.The characteristic configura-tion of vector loops and the factors affecting the indices were discussed.It isconsidered that photographic display of the two vector loops could provide a suit-able approach to determining the instantaneous left ventricular pressure-dP/dtrelation and pressure—(dP/dt)/P relation which Were used to estimate myocardialcontractility.The sensitivity of the indices to acute alterations of the inotropic stateand load conditions was investigated in the experiments.Results show that theseparameters are rather sensitive to positive inotropic interventions and less affectedby acute alteration of load conditions.Among them,dP/dt max is highly sensi-tive to inotropic intervention but to some extent is relatively dependent on loadcondition;on the other hand,V_(CE) indices are relatively load-independent.It isconcluded that both dP/dt max and V_(CE) indices are valuable parameters in themeasurement of the level of the myocardial contractility.However,the correla-tive analysis of these indices to evaluate cardiac function is more reliable than asingle index.

实验在麻醉开胸狗身上进行。用装有微分器的八道生理功能记录仪测取左室肌收缩性能的等容收缩相指标:(1)左室内压最大变化速率(dP/dt max)和(2)心肌收缩成分缩短速度(V_(CE)):包括 V_(CE)的生理最大值(V_(pm))、同最高等容收缩压时的 V_(CE)(V_(CE)-cpip)和 V_(CE)的最大值(V_(max))等。同时,利用示波摄影装置摄制左室内压-压力变化速率环(P-dP/dt 环)和左室内压-压力对数值变化速率环(P-(dP/dt)/P 环)。讨论了两环的形态特征以及干扰两环图形的方法学因素。本文认为,摄制 P-dP/dt 环和 P-(dP/dt)/P 环的优点在于:可以在两环上分析心动周期中任一瞬间 P 与 dP/dt 以及 P 与(dP/dt)/P 的对应关系;依据这两项对应的压力-速率关系,可以方便且准确地在同一个 P-(dP/dt)/P 环上测取 V_(pm)、V_(CE)-(CPiP)和 V_(max)等一系列 V_(CE)指标。实验结果表明,dP/dt max 和 V_(CE)这两类指标对正性变力性干预都比较敏感,受负荷状态的影响较小,因而,对...

实验在麻醉开胸狗身上进行。用装有微分器的八道生理功能记录仪测取左室肌收缩性能的等容收缩相指标:(1)左室内压最大变化速率(dP/dt max)和(2)心肌收缩成分缩短速度(V_(CE)):包括 V_(CE)的生理最大值(V_(pm))、同最高等容收缩压时的 V_(CE)(V_(CE)-cpip)和 V_(CE)的最大值(V_(max))等。同时,利用示波摄影装置摄制左室内压-压力变化速率环(P-dP/dt 环)和左室内压-压力对数值变化速率环(P-(dP/dt)/P 环)。讨论了两环的形态特征以及干扰两环图形的方法学因素。本文认为,摄制 P-dP/dt 环和 P-(dP/dt)/P 环的优点在于:可以在两环上分析心动周期中任一瞬间 P 与 dP/dt 以及 P 与(dP/dt)/P 的对应关系;依据这两项对应的压力-速率关系,可以方便且准确地在同一个 P-(dP/dt)/P 环上测取 V_(pm)、V_(CE)-(CPiP)和 V_(max)等一系列 V_(CE)指标。实验结果表明,dP/dt max 和 V_(CE)这两类指标对正性变力性干预都比较敏感,受负荷状态的影响较小,因而,对评定心肌收缩性能的急性改变,有较高价值。两类指标相比较,V_(CE)类对变力性干预的敏感性低于 dP/dt max,但对负荷状态的依赖性较小。因此,采用多个指标综合评定心脏功能,较单一指标为宜。

 
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