起始的
- 与 起始的 相关的网络例句 [注:此内容来源于网络,仅供参考]
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Initial symptoms are nonspecific; fever is usually present and other symptoms may include chills, headache, myalgia, conjunctival suffusion, nausea, or diarrhea. The CDC notes that leptospirosis should be included in the differential diagnosis of any worker who presents with febrile illness within 1 month of participating in a flood clean-up.
感染钩端螺旋体的起始症状是非专一性的,几乎所有病患都会发烧,其他症状包括畏寒、头痛、肌肉痛、结膜泛红、恶心或是腹泻;CDC表示,钩端螺旋体应该列入任何曾经於洪水地区参与清理的人们发烧的鉴别诊断之一。
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Nitro-4-methylsulfonylbenzoic acid was prepared from 4-toluene sulfonyl chloride by the reaction of Alkylation (in the condition of sodium sulfite and baking soda), Nitrification (in the condition of nitric acid and vitriol) and Oxidation reaction (in the condition of nitric acid and catalyzer).
研究了以对甲苯磺酰氯为起始原料,首先通过亚硫酸钠和碳酸氢钠的水溶液进行烷基化、其次在浓硝酸和浓硫酸加热回流的条件下峭化、最后在浓硝酸和催化剂的条件下进行氧化,3步反应合成了玉米田高效除草剂甲基磺草酮的重要中间体2-硝基-4-甲磺酰基苯甲酸。
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No Suitable conservative treatments can be applied to mild and small symptomless AAAs; the patients have to face the dangers of AAA rupture all the time. In this study, we focus on a new point in relation with the origination and development of AAA.
本实验从一个新的角度来探讨了AAA的起始发生过程,探讨了体外氧负荷刺激对血管平滑肌细胞凋亡相关基因异常表达的作用,以及凋亡通路中的调节机制。
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Degradation is the most important factor during transformation from tumor in situ or pre-invasive tumor to invasive tumor.
浸润是转移的起始步骤,从原位癌或浸润前期发展到浸润性癌的转化中,最主要的因素是其下基底膜的破坏。
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Furthermore, the experimental k values were used to determine the associated activation energy, Ea, for the formation of La2/3TiO3-type phase using the Arrhenius plot and the following least-square equation, ln =-Ea/RT + A, where T is the annealing temperature, R is the universal gas constant, and A is a constant, resulting in Ea ~ 607 ?
第二部分则是以微观的方式来解析Pb2+离子与La4Ti9O24陶瓷以及La2/3TiO3-type相晶格之间的关系;利用化学共沉法来合成不同Pb2+离子添加量的La4Ti9O24陶瓷起始粉体,再以900 oC /1h的条件热处理;藉由选区电子绕射图谱以及X-ray绕射分析所生成之La2/3TiO3-type相结构;结果显示La2/3TiO3-type相之结晶结构为斜方晶之钙钛矿结构,符合空间群IbmmNo。
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Unicellular gland was goblet cell, which was lied in two sides of tongue, esophagus, ileum and rectum. Multicellular gland was included uniacinar gland on palate, multiacinar gland on esophagus and unitubular gland on ventriculus and intestine. The digestive gland of liver and pancreas was got into initial jejunum through one duct.
结果表明:单细胞腺为杯状细胞,主要分布于舌两侧、食道、回肠和直肠;多细胞腺由单泡状腺的颌间腺、复泡状腺的食道腺和单管状腺的胃腺与肠腺组成;肝脏和胰脏消化腺通过一条导管共同开口于空肠的起始部。
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Seventeen wheat genotypes from different ecological region were used to investigate the effects of vernalization treatments on growing period and initiation and duration of spike differentiation.
为了解黄淮麦区不同小麦基因型的春化发育特性,以不同生态区大面积推广的17个基因型为试验材料,研究了不同春化预处理对小麦生育期、穗分化的起始和分化进程的影响。
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Probably the first peak of ABA was the factor for the ignition of embryo development, and the second peak runs in coincidence with the rapid development of the embryo and may inhibit the viviparity of American ginseng seed.
ABA第一个高峰的出现可能正是引起西洋参种胚起始发育的因子,第二个高峰则与种胚的快速发育一致,可能起着防止胚胎过早萌发的作用。
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A dye recycled photosensitization system has been designed. As a result of studies in the mechanism of electron transfer reaction of xanthene iodonium salt, it is proposed that the dye-recycled process consists of three-step reactions during the photosensitization: The oxidative fading product of dye is formed through electron transfer under irradiation; In the presence of H-donor, product changes into acidic leuco dye product; Product undergoes deprotonization under action of base to regenerate initial dye.
本文设计了染料循环再生的光敏反应体系,通过对占吨碘翁盐电子反应机制的深入研究,提出了占吨染料在光敏反应过程中的染料再生循环,它依次由三个反应过程组成:在光作用下,通过电子转移反应,产生染料氧化褪色体;在H给体存在下,通过H转移反应,使产物转化为染料酸式隐色体;在碱作用下,发生去质子反应,染料再生回复到染料的起始结构。
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objective to determine the contents of residual acetone in acetoacetic ester,the raw material for the synthesis of edaravone, by gas chromatography.methods sample solution was injected on a gdx column (0.18 mm~0.25 mm) with nitrogen as the carrier gas.the residue was calculated by the external standard method.results the linearity was good over the range of 25 μg/ml~400 μg/ml,with the correlation coefficient of acetone being 0.996 and the average recovery 96.8%.conclusions the method was proved to be simple,rapid,practical and highly sensitive.it is an efficient method for the quality control of acetoacetic ester.
摘要] 目的:用气相色谱法测定依达拉奉合成起始原料乙酰乙酸乙酯中丙酮的残留量。方法:采用固定相为二乙烯苯乙基乙烯苯型高分子多孔小球(直径为0.18 mm~0.25 mm),氮气为载气,用外标法测定乙酰乙酸乙酯中残留丙酮的含量。结果:该方法在丙酮浓度范围在25 μg/ml~400 μg/ml内呈良好的线性关系,响应曲线相关系数为0.996,平均回收率为96.8%。结论:本法简便,快速、实用,灵敏度高,可有效地用于乙酰乙酸乙酯的质量控制。
- 推荐网络例句
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Neither the killing of Mr Zarqawi nor any breakthrough on the political front will stop the insurgency and the fratricidal murders in their tracks.
在对危险的南部地区访问时,他斥责什叶派民兵领导人对中央集权的挑衅行为。
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In fact,I've got him on the satellite mobile right now.
实际上 我们已接通卫星可视电话了
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The enrich the peopling of Deng Xiaoping of century great person thought, it is the main component in system of theory of Deng Xiaoping economy, it is a when our country economy builds basic task important facet.
世纪伟人邓小平的富民思想,是邓小平经济理论体系中的重要组成部分,是我国经济建设根本任务的一个重要方面。