acquired resistance 中文意思是什麼

acquired resistance 解釋
獲得低抗力
  • acquired : adj. 1. 已得到的,已獲得的。2. 已成習慣的。3. 【生物學】習得的,後天的 (opp. natural)。
  • resistance : n. 1. 抵抗,反抗,抗拒,抵禦;敵對,抵抗力,反抗力,阻力,【生物學】抗病性。2. 【電學】電阻;阻抗;電阻器。
  1. Most of plants, when attacked by avirulent pathogens, usually produce a hypersensitive response ( hr ) at the locus attacked and develop a systemic acquired resistance ( sar ) throughout entire plant by expressing a set of defense genes including pathogenesis - related ( pr ) genes

    植物受到病原菌侵染后,感染部位產生過敏性壞死反應,在其它部位產生系統獲得性抗性並伴隨抗性基因包括病程相關蛋白( pathogen - relatedprotein )基因的表達。
  2. Our review focused on microenvironment and its role in mediating acquired drug resistance

    本文就腫瘤微環境及其在介導獲得性耐藥和凋亡抵抗中的作用作綜述。
  3. Integron, a genetic element of gene capture and expression in gram - negative bacteria, has been showed to play an important role in acquired antibiotic resistance of bacteria

    近來的研究顯示,革蘭陰性菌中一種基因捕獲和表達的遺傳單位? ?整合子( integron )在細菌獲得抗生素抗性機制中起了重要作用。
  4. The total kinetic resistance of a moving part ( a firearm bolt ) was acquired by experiment because water resistance was difficult to be got accurately

    因水阻力較難準確求得,可利用實驗確定活動件(槍機)運動總阻力。
  5. Fluid network was divided into a lot of independent loops. through changing states of valves, i got pipe flux and pipe pressure drop. based on pressure balance equation, i built the differential equation system, solved the differential equation system, and acquired resistance coefficients of pipes and component

    並將流體網路圖分解為一個個獨立迴路,通過改變閥門的狀態,來獲取迴路各管段流量和壓力損失,根據迴路壓力平衡方程,建立方程組,對方程組進行了求解,解出了各未知管段、流體器件的阻力系數。
  6. The specific niches within it may provide a sanctuary for subpopulations tumor cells that affords a survival advantage following initial drug exposure and may promote acquired drug resistance

    腫瘤微環境中特殊的生態位可能為腫瘤細胞亞群提供了一個「避難所」 ,即在最初暴露于化療藥物之後提供了一種生存優勢,它促進了腫瘤獲得性耐藥的發生。
  7. First we measured s - parameter of the device and package shell. the package shell and bonding wire are expressed with equipment circuit composed of the resistance, capacitance and inductance then acquired the value of component by optimizing using microwave emulation software ( microwave office )

    首先,測量出管殼封裝器件和管殼的s參數,把管殼和鍵合線均表示為由電容、電感、電阻組成的等效電路,再用微波模擬軟體( microwaveoffice )優化出元件數值。
  8. The characteristic of plant systemic acquired resistance ( sar ), commercial inducers and the application prospect of sar in crop disease control were talked in this article

    摘要從系統獲得抗病性的特徵、商品化抗病誘導劑及獲得抗病性在未來農作物病害防治中的應用前景等方面對植物誘導抗病性進行了闡述。
  9. Above all, with the data acquired by tests, this thesis has analysized the lateral resistanc, longitudinal resistance and rail creep etc between ballast and sleeper before and after mass machine work, discussed the effect of mass machine on stability of continuously welded rail track, reseached the change regularity of fastening - down temperature of rail, which is resulted by mass machine work, and have settled the suitable range of work temperature which guarantees the stability of jointless railway. what ' s more, this thesis has put forward the appropriate work pattern, work temperature and work area for mass machine work in future. at the same time, this thesis has given rational suggestions about some conditions worth of attention in production of mass machine, which can in return raise the work productiveness of mass machine. at last, this thesis has considered formulating reasonable measures for operation organization and work standard, so that mass machine work can play an important role in maintenance, which can reduce work load, raise work efficiency and maintenance cost in daily maintenance

    本文通過實測的各種數據,分別對大機作業前後道床對軌枕的橫向阻力、縱向阻力、鋼軌爬行情況等進行深入分析,進一步探討大機作業對無縫線路穩定性的影響,研究大機作業引起的鎖定軌溫的變化規律,確定保證無縫線路穩定的合適作業軌溫范圍。為我國今後的大型養路機械作業提出合理的作業方式、合適的作業軌溫和作業地段,同時對大型養路機械作業中應注意的問題提出合理化建議,為大型養路機械作業提供更高的安全保障,進一步提高大機作業效率。最後,對工務段在大機作業中的配合制定完善的施工組織措施及作業標準,使大機作業在養護維修中發揮更大的作用,為工務段日常的養護維修減少工作量,提高勞動效率,降低維修成本。
  10. Inherited, acquired, or induced resistance to infection by a specific pathogen

    免疫力遺傳的、後天的或誘發的對特定的病原感染的抵抗能力
  11. Study limitations include insufficient power to detect a change in fungal ecology, short duration, and inability to detect shifts in candida species or the establishment of acquired resistance mutations

    研究的局限性包括:不足的效力來檢測真菌的生態學變化,持續時間短、無法檢測移入的念珠菌的類型或者建立耐藥的變異菌株。
  12. This underused weapon, called " systemic acquired resistance " or " inducible resistance ", is a generalized, vaccination - like response that plants can deploy when attacked by any of a wide range of bacteria, fungi or viruses

    這種利用率不足的武器,被稱作「系統獲得性抗性」或是「誘導抗性」 ,是一種普遍性的、類似於接種疫苗的反應,在遭到各種細菌、真菌或病毒的侵襲時,植物可以利用這種反應。
  13. This study we acquired the coding region of hcv ns5b gene by pcr of hcv full length genome and construct the recombinant plasmid pegep n3 - ns5b ; with the different concentration of g418 in the culture medium, we think the selection concentration of g418 for hepg2 cell is 800 g / ml ; the recombinant plasmid was transfected into hepg2 cell by lipofectamine2000 cells containing stable transformants were selected by the ability of resistance to g418 and isolated with the limited dilution. the stably transfected cell line expressing ns5b - egfp fusion protein was obtained by the detection under fluorescence microscope and rt - pcr

    本研究首先從hcv基因組中擴增出nssb基因,構建了nssb基因與報告分子egfp (增強型綠色熒光蛋白)基因的融合基因真核表達質粒pegfpn30 ;通過含有不同g418濃度梯度的培養液培養hepgz細胞,確定了篩選用g4181作濃度為800pg ml ;利用脂質體法將該重組質粒轉染hepgz細胞,經過有限稀釋法和g4壓力選擇,應用熒光顯微鏡和rtpcr檢測,獲得可穩定表達nssbegfp融合蛋白的hepgz細胞克隆。
  14. The alternating resistance method was adopted to test the moisture content of the fiber, the bathtub effect on the alternating conductivity, which insisted in the fiber, was verified, the sensitive frequency band of measuring the moisture content of the fiber was acquired, and the dielectric polarization theory was applied, the organism of the bathtub effect of the alternating conductivity of the fiber was gained

    採用交流阻抗法測量纖維水分,驗證了纖維存在交流導電浴盆效應現象,找出了纖維水分測量的敏感頻帶,並運用介質極化理論,說明了纖維交流導電浴盆效應的機理。第三章新型纖維水分快速測試儀設計:運用纖維交流阻抗特性,設計了新型纖維水分快速測試儀。
  15. Many researches have suggested that tumor microenvironment plays an important role in mediating acquired drug resistance and confers resistance to physiologic mediators of cell death

    目前,大量研究認為腫瘤微環境在介導腫瘤獲得性耐藥和抵抗細胞死亡的生理性調節中發揮了重要作用。
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