查询词典 D. N. B.
- 与 D. N. B. 相关的网络例句 [注:此内容来源于网络,仅供参考]
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The following are the expressions for the mean pressure set up at the detection plate and for the time of the signal to progagate from the radiator to the detector:这里是1个公式,省略) where Re is the real part of the expression appearing within the braces, 0 is the density of the medium, vo is the amplitude of the vibrational velocity, c is the speed of sound in the medium, d2 = I +(r/zcos 8, z is the distance between the emitting and receiving plates, B is the angle between the axis of the acoustic channel and the axis of the tube, r = vro/c, v is the flow speed of the fluid, d is the diameter of the pipe, m is the circular frequency, k is the wave number, where a is the radius of the plate (this is taken as the same for the emitting and receiving plates for simplicity, but there is no difficulty in discussing plates differ~mg in radii),,~ is the vibrational frequency of the emitting plate, and The triple sums in the expressions for N~ and N2 may be neglected if the flow speed is low, since the contributions for these become negligible.
以下的表情为代表的压力设置在检测板甲,手持骑枪和时间的信号 progagate从散热器排出到检测器(这里是1个公式、省略)。在什么地方才是真正的出现在背带,表现为0密度的吗当时的媒介的振幅振动速度、c是声音的速度中、d2 =我+ r / z,8、z是距离的发射和接收板、B之间的角度对声信道和轴轴管,r = vro / c,v的流体的流动速率公式,d 管直径的圆频率,m,凯西是波数公式* n,一个是半径的板(这是作为相同的发射和接收吗为了简单,但板板是毫无困难地讨论不同半径)、镁-,~的振动频率的发光,。总结了三倍的表达方式和N2 ~能忽略的流量速度低,因为这些变得微不足道的贡献。
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The following are the expressionsfor the mean pressure set up at the detection plate and for the time of the signal toprogagate from the radiator to the detector:这里是1个公式,省略) where Re is the real part of the expression appearing within the braces, 0 is the density ofthe medium, vo is the amplitude of the vibrational velocity, c is the speed of sound in themedium, d2 = I +(r/zcos 8, z is the distance between the emitting and receiving plates, B is the angle between the axis of the acoustic channel andthe axis of the tube, r = vro/c, v is the flow speed of the fluid, d is thediameter of the pipe, m is the circular frequency, k is the wave number,where a is the radius of the plate (this is taken as the same for the emitting and receivingplates for simplicity, but there is no difficulty in discussing plates differ~mg in radii),,~ is the vibrational frequency of the emitting plate, andThe triple sums in the expressions for N~ and N2 may be neglected if the flow speed islow, since the contributions for these become negligible.
以下是表达式平均压力为定于检测板和为信号时间progagate从散热器到探测器:(这里是1个公式,省略)假如再是出现在大括号表达式的实部,0是密度中期,沃是速度的振动幅度,C是健全的速度中,D2中=我+的导向8,z是对之间的距离发射与接收板,B是声之间的通道轴角该管的轴,R =中心内大多分为/荤,v是流体的流动速度,,D是管道直径,m是圆频率,k是波数,的其中一盘是半径(这是为重点,同样的发射与接收为le简单板,但没有讨论板的困难,在半径不同毫克),,是发光板振动频率,和在N的表达式的三重总结和N2可以忽略,如果流速低,因为这些变得微不足道的贡献。
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Biomass and WUE1 of wheat with R chromosome set is largest in all diploidy material, and that with B chromosome set is least in all diploidy material. Meanwhile, the root growth of wheat with A and B chromosome set is largest, and that with D chromosome set is least in all diploid material.
N、P影响了干旱下玉米叶片的气体交换能力,表现为提高了干旱下玉米叶片的气孔导度和光合速率,且N的作用要大于P的作用;N具有同时降低玉米叶片光合作用的气孔和非气孔限制的作用,而P提高玉米光合则主要是由于降低了干旱下的非气孔限制。
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Company Profile Beijing Xinyu win equipment limited liability company operating mainly in the production and domestic and international advanced testing equipment, instrumentation, and diagnostic tools, as well as introduce advanced test, measurement of new technology for operating purposes. A: electrical fire, building fire detection and public safety facilities, equipment detectors B: lightning protection, lightning protection device detection equipment, mine detection device safety box C: Fire Fire Safety Inspection and Testing equipment, and investigate the cause of the fire equipment, police station fire alarm Services and equipment D: fire inspection and fire investigation equipment boxes, fire investigation kits, fire detection equipment to determine the scene Product E: Fire Engineering Detect boxes, cartons Detect building fire service installations, fire detection electrical box F: Airport Fire fire inspection equipment, subway Fire Safety Detect Box G: boilers, pressure vessels and special equipment, elevator equipment Detect H: Victoria seized power telecommunications equipment boxes, mechanical state patrol boxes I: Detect safety boxes, traffic accident investigation boxes, property management Detected me J: Public environmental hygiene Detect boxes, boxes of food safety at the scene detection, occupational health care at the scene Detect boxes, cartons Detect Radiological Protection at the scene, the situation of sanitation and disinfection Detected me, health production supervisor at the scene seized me K: Ultrasonic leak detector, ultrasonic spectrum analyzer, ultrasonic full-function fault detection system L: fire using infra-red thermal imaging, infrared imaging system for industrial use, the security-type infra-red thermal imaging M: Energy Conservation Supervision and Testing Instruments instrument N: Private Product: 3 1/2- 8 1 / 2 handheld / desktop Digital Multimeter, cross-DC clamp level pressure ammeter, temperature gauges, tachometer, digital megohm table, grounding resistance tester, desktop multimeter, digital frequency meter smart, figure synthesis / function signal generator, desktop digital electric bridge, oscilloscopes, infrared thermometer, vibrometer, digital DC regulated power supply, 5 1 / 2 hand-held multi-function calibrator field process instrumentation. O: agent Products:, infrared thermometer, infrared, ultrasonic full-function fault leakage / discharge detection device, flammable / toxic gas detector, harmonic power quality analyzer, portable ultrasonic flowmeter, insulation / Ground Resistance Tester, temperature, current / voltage, the process of signal, thermal resistance / thermocouple, pressure, loop calibrator, such as electronics, telecommunications, electricity, petroleum chemical industry, safety inspection, steel smelting, public environmental protection, fire detection Secret rescue, fire detection equipment, special equipment testing, military field equipment dedicated monitoring equipment and tools.
公司简介北京新宇胜利仪器有限责任公司主要以生产和经营国际,国内先进的检测仪器仪表和设备诊断工具以及介绍先进的测试,测量新技术为经营宗旨。A:消防电气、建筑消防设施检测和公共安全侦检仪器设备B:防雷、避雷装置检测仪器设备、防雷装置安全检测箱C:消防防火监督检测装备、火灾原因调查装备、公安派出所消防警务装备D:防火检查与火灾勘查仪器箱、火灾勘查工具箱、消防产品现场判定检测仪器E:消防工程检测箱、建筑消防设施检测箱、消防电气检测箱F:机场消防防火检查仪器设备、地铁消防安全检测箱G:锅炉、压力容器和特种设备、电梯检测仪器H:电信电源维检仪器箱、机械状态巡检箱I:交通安全检测箱、交通事故勘查箱、物业管理检测箱J:公共卫生环境检测箱、食品安全现场检测箱、职业健康监护现场检测箱、放射防护现场检测箱、卫生消毒状况检测箱、健康品生产现场监检箱K:超声波泄漏检测仪、超声波频谱分析仪、超声波全功能故障检测系统L:消防用红外热像仪、工业用红外热像仪、本安型红外热像仪M:节能监督检测仪器仪表工具N :自有产品:3 1/2-8 1/2位手持/台式数字多用表,交、直流钳形高低、压电流表,温度仪表,转速表,数字兆欧表,接地电阻测试仪,台式多用表,数字智能频率计,数字合成/函数信号发生器,台式数字电桥,示波器,红外测温仪,测振仪,数字直流稳压电源,5 1/2位手持式多功能现场过程仪表校验仪。O:代理产品:,红外测温仪,红外热像仪,超声波全功能故障泄漏/放电侦测仪,可燃/有毒气体检测仪,电力质量谐波分析仪,便携式超声波流量计,绝缘/接地电阻测试仪,温度、电流/电压、过程信号、热电阻/热电偶、压力、回路校验仪等电子、通讯、电力、石油化工、安全检查、钢冶、公共环保、消防特勤侦检救援、消防检测设备、特种设备检测、军事领域的专用仪器监测设备与工具。
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Inclusion body was dissolved using 6M guanidine hydrochloride/2M hydrogen chloride and adding cyanogen bromide to solution Expression production was removed N terminal fusion protein AMP-A/B/C/D antibacterial activity was detected.
实验结果发现AMP-A没有抑菌活性;AMP-B/C/D均表现出广谱的抗菌活性,它们的最小抑菌浓度约为9μM,其中AMP-C对革兰氏阴性菌的抑菌效果最强,AMP-D抗菌广谱性较AMP-B/C差。
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B. Each kind of nucleic acid is composed of three parts: Molecular azotic basic group + member pentose + molecular phosphoric acid radical, DNA is by C, H, O, N, the P five kind of elemental compositions. c. The nucleic acid azotic basic group may divide into four kinds: Guanine, thymine, adenine, cytosine d.
b。 每一种核酸由三个部分所组成:一分子含氮碱基+一分子五碳糖+一分子磷酸根,DNA都是由C、H、O、N、P五种元素组成的。
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Methods: Thirty male SpragueDawley rats were randomly divided into 5 groups, group A 3 days after L5 VRT, group B 7 days, group C 14 days, group D 21 days and group E of sham operation, whose left spine cords were exposed by hemilaminectomy. Rats in each group were respectively perfused with paraformaldehyde and materials were taken from L5 dosal root ganglions and the changes of expression of P2X3 receptor were observed with immunofluorescence staining.
雄性SD大鼠30只,随机分为5组(n=6),A组(L5 VRT术后3 d)、B组(L5 VRT术后7 d)、C组(L5 VRT术后14 d)、D组(L5 VRT术后21 d)模型组和E组,E组仅行半椎板切除术暴露左侧脊髓,分别在各自的时间点灌注取材L5背根神经节,用免疫荧光染色方法观察P2X3受体表达的变化。
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Electron microscopic examination showed that the spinal cords were normal in group N and A, slight edema of mitochondria and endoplasmic reticulum in group B, loosened fibrous layers in medullary sheath, edema and local degeneration of neuraxis in group C,and shrinkage of nuclear membrane, serious edema of ER, vacuolus change of mitochondria and local demyelination in group D.
电镜结果显示,N组和A组脊髓超微结构正常;B组线粒体、内质网轻度水肿;C组脊髓髓鞘纤维板层结构疏松,轴索肿胀,局灶变性;D组脊髓神经元细胞核膜皱缩,线粒体空泡样变,内质网肿胀严重,局灶性脱髓鞘改变。
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The principal best management practices for Costa Rica are: a well drained soil or a good drainage system in the field (banana yield is hurt with only a few hours of oxygen depletion in the root zone), b adequate control of nematodes, c adequate control of black sigatoka and d a good fertilizer program which includes rates of fertilizer equal or higher than 300-300-600 kg/ha/year of N- P2O5- K2O split in 12 applications during the year.
这些最好的管理措施为: a )良好排水土壤或田间良好排水系统(根区缺氧几小时就会损害香蕉产量), b )有效地防治线虫, c )有效地防治香蕉叶斑病和 d )良好的施肥计划,施肥量等于或高于300-300-600公斤 N - P2O5- K2O /公顷/年,一年中分12次施入。
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Assisi embroidery is a form of counted-thre a d embroidery b a sed on a n a ncient It a li a n tr a dition where the b a ckground is filled with embroidery stitches a nd the m a in motifs a re left void ie unstitched.
阿西西刺绣是一种计算线程刺绣意大利其中一个古老的背景是与刺绣针法和图案填充的主要形式是传统的,即unstitched造成的空缺。
- 推荐网络例句
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As she looked at Warrington's manly face, and dark, melancholy eyes, she had settled in her mind that he must have been the victim of an unhappy attachment.
每逢看到沃林顿那刚毅的脸,那乌黑、忧郁的眼睛,她便会相信,他一定作过不幸的爱情的受害者。
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Maybe they'll disappear into a pothole.
也许他们将在壶穴里消失
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But because of its youthful corporate culture—most people are hustled out of the door in their mid-40s—it had no one to send.
但是因为该公司年轻的企业文化——大多数员工在40来岁的时候都被请出公司——一时间没有好的人选。