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guard     
相关语句
  防范
     Analysis and being on guard to refused action accident of 220kV switch
     220kV开关拒动事故分析及防范
短句来源
     Income, customer’the whole life value measure, the customer subdivide, the structure of organization, the cross customers’marketing and the credit and risks guard against mechanism are the foundation of establish key account manage mode.
     关键客户管理模式建立的基础是收益、客户终生价值测量、客户细分、组织结构、交叉客户群的营销以及资信与风险防范机制这些子构件的建立,通过构件的有效组合可以得出关键客户管理模式的总体架构。
短句来源
     To strengthen management of nursing safety to guard effectively agaist nursing disputes
     加强护理安全管理 有效防范护理纠纷
短句来源
     The Contract Management of Modern Enterprises and the Legal Guard of Risks
     现代企业合同管理及风险的法律防范
短句来源
     Commercial Bribery Crime's Guard And Governance
     商业贿赂犯罪的防范与治理
短句来源
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  保卫
     ABA and H_2O_2 Signaling in Vicia Guard Cells
     蚕豆保卫细胞ABA、H_2O_2信号转导系统的研究
短句来源
     The Relationship of G Protein and H_2O_2 in Guard Cell Signal Transduction
     G蛋白和H_2O_2在保卫细胞信号转导中的关系
短句来源
     P38 MAP KINASES MEDIATE ABA OR H_2O_2 SIGNALING IN GUARD CELLS OF V. FABA
     P38 MAPK调节蚕豆保卫细胞ABA和H_2O_2信号转导
     In addition, the size of guard cell of haploid, diploid and tetraploid were (20.31 ± 3.38 ) μm, (30.80 ± 2.19 ) μm, ( 41.78 ± 1.03 ) μm respectively , and the ratio of them was approximately 1:1.5:2, which showed the method of counting the size of guard cell was also a practicable method in ploidy determination of regenerated plants that we can refer to.
     单倍体、双单倍体和四倍体叶片表皮保卫细胞的长度分别为(20.31±3.38)μm、(30.80±2.19)μm和(41.78±1.03)μm,其比例约为1:1.5:2,在胚囊再生植株倍性鉴定时也可以参照。
短句来源
     The specific inhibitor PD98059 of MEK1/2 could inhibit the H2O2 production and stomatal closureinduced by methyl jasmonate (MeJA) in guard cells of Arabidopsis thaliana.
     蛋白激酶MEK1/2的专一抑制剂PD98059可抑制茉莉酸甲酯(MeJA)诱导的拟南芥保卫细胞中H2O2的产生和气孔的关闭。
短句来源
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  后卫
     Comparative Study of Ability of Rear Guard of China and Foreign Countries in the 14th World Championship for Women
     第14届世界女子篮球锦标赛中外后卫能力的比较研究
短句来源
     Fuzzy Synthetic Evaluation of Basketball Guard's Offensive Ability
     对篮球后卫队员进攻能力的模糊综合评价
短句来源
     Analysis on the Offence Ability of China Men’s Basketball Guard in the 28~(th) Olympic Games
     对第28届奥运会中国男篮后卫进攻能力的分析与研究
短句来源
     The Study on the Eye Movement Characteristics of Specific Cognition of Guard Players in Basketball
     篮球后卫运动员专项认知眼动特征研究
短句来源
     Optimization Selection and Evaluation of Technical Index Classification of NBA Elite Guard
     NBA优秀后卫技术指标分类的优化转释及评价
短句来源
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  保护
     The separation used a reversed-phase Dikma Diamonsil C 18 column (200 mm×4.6 mm,5 μm),guard column Waters Nova-Park C 18 column,with mobile phase consisting of acetonitrile-water (55∶45, V/V), the flow rate was 1 mL·min -1,the detective wavelength was 210 nm.
     色谱柱为DikmaDiamonsilC18柱(200mm×4.6mm,5μm),保护柱为WatersNovaParkC18柱,流动相∶乙腈-水=55∶45(V/V),流速1mL·min-1,检测波长(λ)210nm。
短句来源
     The analytical column was an HP Hypersil ODS column(250 mm ×4 mm,5μm) with an HP Lichrosphere C18 guard column.
     色谱条件:用HP Hypersil ODS分析柱(250 mm×4 mm,5μm),柱前加HP Lichrosphere C_(18)(4 mm×4 mm)保护柱。
短句来源
     Methods: The chromatographic condition: Zorbax SB - C8 (4. 6 mm × 150 mm, 5μm) and guard column C8 (4. 6 mm × 20 mm, 10μm) were used, the UV detection wavelength was 278 nm and column temperature was room temperature.
     方法:采用Zorbaz SB-C_8(4.6mm×150mm,5μm)柱,保护柱C_8(4.6mm×20mm,10μm),以乙腈-四氢呋喃-水(35:1:64)为流动相,流速1mL·min~(-1),检测波长为278 nm,柱温:室温。
短句来源
     METHODS To observe the nomal value of oxalate and citrate in human urine,they were determined by Agilent SB C18(250mm×4.6mm,5μm)column and Agilent zorbax extend-C18(4.6mm×12.5mm,5μm)guard column;
     方法采用Agilent SB C18(250mm×4.6mm,5μm)色谱柱; Agilent zorbax extend-C18(4.6mm×12.5mm,5μm)为保护柱;
短句来源
     Method:HPLC:Use RESTEK Pinnacle Ⅱ C_(18) column(150 mm×2.1 mm,5 μm) with guard column Phenomenex ODS Octadecyl C_(18)(4mm×2.0 mm),the mobile phase consisting of methanol -water-acetonitrile(60:20:20),the flow rate was 250μL·min~(-1),column temperature was 20℃.
     方法:色谱条件为 RESTEK PinnacleⅡ C_(18)柱(150mm×2.1mm,5μm),Phenomenex ODS Octade-cyl C_(18)保护柱(4mm×2.0mm); 流动相:甲醇-水-乙腈(60∶20∶20);
短句来源
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  guard
Guard hair and spine architectonic were studied in 345 mammalian species using scanning electron microscopy.
      
Illumination stimulated the CN--induced destruction of guard cells (containing chloroplasts and mitochondria) but not of epidermal cells (containing mitochondria only).
      
Electron acceptors (menadione, p-benzoquinone, diaminodurene, TMPD, DCPIP, and methyl viologen) suppressed CN--induced apoptosis of guard cells, but not epidermal cells.
      
Methyl viologen had no influence on the removal of CN--induced nucleus destruction in guard cells under anaerobic conditions.
      
The light activation of CN--induced apoptosis of guard cells was suppressed by DCMU (an inhibitor of the electron transfer in Photosystem II) and by DNP-INT (an antagonist of plastoquinol at the Qo site of the chloroplast cytochrome b6f complex).
      
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As cinchonine is not produced in our country and the ignition of mercurous tungstate is a troublesome operation leads us to examine critically the determination of tungsten as barium tungstate.The results of our experiments reveal that barium tungstate should be precipitated from a boiling solution of pH 7.2—8.0 with a rather large excess of barium chloride. The concentration of the precipitant, after precipitation, should be maintained within eight tenth to two millimolar, in order to obtain acceptable results....

As cinchonine is not produced in our country and the ignition of mercurous tungstate is a troublesome operation leads us to examine critically the determination of tungsten as barium tungstate.The results of our experiments reveal that barium tungstate should be precipitated from a boiling solution of pH 7.2—8.0 with a rather large excess of barium chloride. The concentration of the precipitant, after precipitation, should be maintained within eight tenth to two millimolar, in order to obtain acceptable results. The barium tungstate precipitates may be ignited at 500—900°. When they are dried at 105 or 150°, they weigh several tenth milligrams heavier than that after ignition, presumably due to very small amounts of occluded water. The carbonate (from carbon dioxide in air and in water used) and chloride (from the precipitant) contents of the precipitates are negligible, being less than three and three to four parts per thousand respectively, while no precautions are taken to remove or guard against carbon dioxide con tamination. This method of determination may be used to estimate as low as six milligrams of tungsten trioxide. The exclusion of carbon dioxide during the determination, as suggested by Buscarons Ubeda et al and Duval et al, is found to be unnecessary. The influence of several ammonium, potassium and sodium salts are studied. Among them, sodium and ammonium acetates interfere the least, and potassium chloride the most. For detail please refer to Fig. 3 in this paper.

本文敍述用鎢酸鋇法测定鎢的適宜條件。沉澱應在pH7.2—8.0,微沸的溶液,用熱氯化钡溶液進行。沉澱劑應在沉澱後仍維持0.8—2毫克分子濃度。過低則沉澱不完全,過高則結果偏高。灼燒沉澱温度為500—900°。本法可以测定6毫克及以上的三氧化鎢。沉澱中的碳酸鹽(<3‰)和氯化物(當沉澱劑過量为50—100%時,3—4‰)均可不顧。隔絕或除去二氧化碳也無必要。幾種銨、鉀和鈉鹽的影響亦曾加以探討。

It is well known that the paired blood flukes Schistosoma japonieum, living in human's portal-mesenterie veins, copulate more or less permanently and lay their eggs in large numbers. The eggs are partly passed via the feces to form transmissive agents; the others are deposited in the host tissues to bring about granulomatous lesions. Thus schistosome eggs are not only the main factor of pathogenesis, but also an important source in transmission of the disease. The problems on the egg formation and shell-formative...

It is well known that the paired blood flukes Schistosoma japonieum, living in human's portal-mesenterie veins, copulate more or less permanently and lay their eggs in large numbers. The eggs are partly passed via the feces to form transmissive agents; the others are deposited in the host tissues to bring about granulomatous lesions. Thus schistosome eggs are not only the main factor of pathogenesis, but also an important source in transmission of the disease. The problems on the egg formation and shell-formative substances in s玥istosome, therefore, have been receiving an increasing attention in recent years. The present paper deals with the process of egg formation of 8. japonieum and the chemical nature of the egg shell by means of his-tologieal and histoehemical technique, as well as some results of the effects of thiourea compounds on the egg formation in this fluke.In the case of micro-anatomy, histology and histochemistry of female genitalia, it was shown that the female reproductive system consisted of an ovary, vitelline gland, oviduct, vitelline tube, ovovitelline tube, ootype. Mentis' gland, uterus and genital pore. A large ovoid ovary was situated a little posterior to the middle of the body. At the base of the ovary, an ovarian ampulla was observed and its opening was surrounded by a group of circular sphincter muscles which probably regulated the passage of maturing ova into the oviduct. The proximal part of the oviduct was enlarged to form a chamber of large diameter, which was invariably filled with spermatozoa. Ova emerged from the ovarian ampulla met with sperms at this region and fertilization took place, so the chamber served practically as a seminal receptacle. Connecting with the chamber was a very small tube which wound and ran anteriorly to the ovovitelline tube, where it joined the vitelline tube. The positive reaction for nuelic acids, aromatic amino-acids, phosphatase and some glycogen was found in the maturing ova.The vitelline gland consisted of a large number of lobules extending through the body posterior to the ovary and each lobule contained cells at different stages of development. The mature vitelline cell was a large conspicious cell characterized by the granules concentrated mainly at the periphery of the cell. Basic proteins, phenolic substances and phenolase were richly distributed in these granules. The other obvious feature was a great deal of lipid droplets scattered through the cytoplasm, while glycogen could not be detected.Valve-like structures containing 2 or 3 nuclei might be observed from the following locations of the associated ducts: one at the joint of ovarian ampulla to the proximal oviduct; one at the junction of the posterior oviduct with the vitelline tube; one in the lumen of the terminal part of the vitelline tube near to the ovovitelline tube as well as in the lumen of the ovovitelline tube. Their respective role and functions were discussed.The epithelial cells of the ootype were shown to be apocrine secretion glandular cells with a rhythmic function probably connected with the formation of eggs. These cells might be divided into two phases, one being the resting phase and the other secreting phase. Alkaline phosphatase activity and aromatic amino-acids were most pronounced in these epithelial cells. The entrance of the ootype into the uterus proper was guarded by a well-defined valve which regulated their passage and prevented reflex.Mehlis' gland consisted of a group of one type unicellular gland cells lying in the parenchyma adjacent to the ootype and opening into the lumen of pre-chamber of the ootype. According to the tests for histochemistry, it was found that their secretions were strongly positive with the PAS reaction even after diastase or hya-luronidase treatment. The secretions from Mehlis' gland cells and/or epithelial cells of ootype played a vital part in coalescence of the vitellogranules and the formation of the egg shell.In the case of histochemical tests for egg shell precursors in S. japonicum, a number of methods were employed to ascertain t

本文应用组织学及组织化学方法研究了日本血吸虫卵形成的过程,并进行了硫脲化合物对虫卵形成影响的实验。 日本血吸虫雌虫生殖系统是由发生卵细胞的卵巢和发生卵黄细胞的卵黄腺这两个腺体及其连接管道所组成。连接管道包括输卵管、卵黄管和卵-卵黄会合管,分别将卵细胞和卵黄细胞运送至卵形成部位——卵模及其周围的梅氏腺,在其中形成一个完整的虫卵,再通过子官将此新形成的虫卵送经生殖孔而排出。 一个完整的虫卵系由一个受精卵细胞,及约20个卵黄细胞以及包在它们外面的一种硬化蛋白质的卵壳所构成。卵细胞含有丰富的核糖核酸、去氧核糖核酸、芳香族氨基酸、磷酸酶和若干糖原。卵黄细胞含有许多脂类物质,其细胞质中的卵黄颗粒球是制造卵壳的原料,含有蛋白质、酚类物质和酸酶,它们是卵壳的前身物。卵壳形成的化学性质可能是酚类物质受酚酶的氧化作用变成醌,再与邻近的蛋白质结合成醌鞣蛋白,而成为一种硬化的卵壳物质。 日本血吸虫卵形成部位系在雌虫体中段的卵模及梅氏腺区域。卵模腔内壁由单层上皮细胞所构成,它是一种顶浆分泌腺细胞,含有丰富的碱性磷酸酶和芳香族氨基酸蛋白质。在形态上可分为静止相和分泌相,它的分泌机能呈现周期性并似与卵模腔内卵壳的形成有节奏地相配合。在卵模...

本文应用组织学及组织化学方法研究了日本血吸虫卵形成的过程,并进行了硫脲化合物对虫卵形成影响的实验。 日本血吸虫雌虫生殖系统是由发生卵细胞的卵巢和发生卵黄细胞的卵黄腺这两个腺体及其连接管道所组成。连接管道包括输卵管、卵黄管和卵-卵黄会合管,分别将卵细胞和卵黄细胞运送至卵形成部位——卵模及其周围的梅氏腺,在其中形成一个完整的虫卵,再通过子官将此新形成的虫卵送经生殖孔而排出。 一个完整的虫卵系由一个受精卵细胞,及约20个卵黄细胞以及包在它们外面的一种硬化蛋白质的卵壳所构成。卵细胞含有丰富的核糖核酸、去氧核糖核酸、芳香族氨基酸、磷酸酶和若干糖原。卵黄细胞含有许多脂类物质,其细胞质中的卵黄颗粒球是制造卵壳的原料,含有蛋白质、酚类物质和酸酶,它们是卵壳的前身物。卵壳形成的化学性质可能是酚类物质受酚酶的氧化作用变成醌,再与邻近的蛋白质结合成醌鞣蛋白,而成为一种硬化的卵壳物质。 日本血吸虫卵形成部位系在雌虫体中段的卵模及梅氏腺区域。卵模腔内壁由单层上皮细胞所构成,它是一种顶浆分泌腺细胞,含有丰富的碱性磷酸酶和芳香族氨基酸蛋白质。在形态上可分为静止相和分泌相,它的分泌机能呈现周期性并似与卵模腔内卵壳的形成有节奏地相配合。在卵模周围分布着一种单细

In this paper we get the approximate distributions of the electric potential fields by use of the method of separation of variables under the following premiss:1, We neglect the influence of the insulating rings connecting the principal elect-rode and the guard electrodes;2, We restrict to the case of media of slowly varying resistivities and conse-quently neglect the influence of the refraction of electric current. We also suppose that the current density of the electrode system is nearly homogeneous;3,...

In this paper we get the approximate distributions of the electric potential fields by use of the method of separation of variables under the following premiss:1, We neglect the influence of the insulating rings connecting the principal elect-rode and the guard electrodes;2, We restrict to the case of media of slowly varying resistivities and conse-quently neglect the influence of the refraction of electric current. We also suppose that the current density of the electrode system is nearly homogeneous;3, The electrode system is taken as a linear electrode.

本文在下述前提下用分离变量法求得了径向非均质情形近似电位场的分布,并进一步给出了简化计算公式。这些前提是:1.忽略电极系上绝缘环的影响;2.限于介质电阻率为缓变的情形,忽略电流折射的影响,近似地认为电极系上电流密度均匀分布;3.把电极系当作线电极来处理。

 
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