致弱作用 的英文怎麼說

中文拼音 [zhìruòzuòyòng]
致弱作用 英文
attenuation
  • : Ⅰ動詞1 (給與;向對方表示禮節、情意等) deliver; send; extend 2 (集中於某個方面) devote (one s ...
  • : Ⅰ形容詞1 (氣力小; 勢力差) weak; feeble 2 (年幼) young 3 (差; 不如) inferior 4 (接在分數或...
  • : Ⅰ動詞1 (使用) use; employ; apply 2 (多用於否定: 需要) need 3 (敬辭: 吃; 喝) eat; drink Ⅱ名...
  1. Researches of schistosomiasis vaccines have gone more than 60 years, approximately including from the stages of dead vaccine and live vaccine ( irradiated attenuated cercariae vaccine ) to gene engineered vaccine, etc. many different forms of vaccines have been tested in animal models, including gluthathione s - transferase, paramyosin, irv - 5, triose phosphate isomerase, sm23, fatty acid binding protein ; which were considered promising by who / tdr. but none of them steadily accomplished the pre - set target level of 40 % protection. in order to enhance the protective capacity further, it is essential to develop novel vaccine antigens and / or vaccine adjuvants

    血吸蟲病疫苗研究已有60多年的歷史,大經歷了死疫苗、活疫苗(照射尾蚴疫苗)和基因工程疫苗等研究階段,產生了一些who / tdr推薦認為很有希望的疫苗候選分子,如谷胱甘肽- s -轉移酶( gst ) 、副肌球蛋白( sm97 ) 、照射疫苗抗原5 ( irv - 5 ) 、磷酸丙糖異構酶( tpi ) 、曼氏血吸蟲膜內在蛋白( sm23 )和脂肪酸結合蛋白( fabp , sm14 )等,但其對宿主的保護均不甚理想,未能穩定地達到40或以上的保護力水平,因此有必要繼續尋找新的疫苗抗原分子和/或疫苗佐劑,進一步提高其保護力。
  2. In this paper the writer thinks that there are new competitors coming into being continuously in the industry with the fall of the entrance barrier, while the distemperedness of the quit mechanism hamper the tailed to retreat, which can not lead to death of the weaker. on the other hand the implicit structural factor as well as its evolvement in the circumstance make the competition wild in the industry and the stronger ca n ' t be strong for long. the price war frequently breaking out is an enlace for the sponsor

    筆者認為,進入壁壘的降低使該行業不斷出現新的競爭者,而退出機制的不健全又阻礙了失敗者的退出,造成者不死;而固有的結構性因素及在環境下結構性因素的演變導行業內的競爭激烈,大者不能恆強。
  3. After entry of wto, there are still many maladjustments in guangxi ' s seed industry, such as the weak foundation of sees industry development ; the unformed market of the seed industry for fair competition ; small - scale seed enterprises ; no systematic connection among the cultivation, breeding and marketing ; lower qualification of staff who work in the seed industry and with weak sense of laws, and lack of the knowledge in operating experiences in the international market and trade etc. yet the un - efficiency system, unclear property right in enterprises, the lack of an effective mechanism to promote the rational use of resources in the seed industry and the lack of such concept as " the government creates environment and enterprises create fortune " are the deep - seated causes of the problems in guangxi ' s seed industry. therefore, the key points for promoting development of guangxi ' s seed industry under the wto framework are to focus on the promotion of the developing capability of seeds " integrated products, constantly deepen reforms, to adjust various relevant factors in the system of the seed industry which is inconsistent with each other, and to establish a new - pattern system with evident characteristics of the time spirit in order to meet the requirements of the market economy. hereinto, the specific strategies and measures for promotion of guangxi ' s seed industry development under the wto framework include kee ping up reform and innovation of the system of the seed industry, executing of non - nationalization reform in state - owned seed enterprises, formulating and executing relevant supporting policies, the improving the legal system in the seed industry, increasing public financial support on the seed industry, promoting the integration of cultivation, breeding and marketing, strengthening human resource development, developing the main body of the seed industry ' s market and making proper conditions for the functions of seed associations in the seed industry development etc

    研究結果認為:發展種子產業應該把著眼點放在促進種子整體產品的開發上;種子產業的發展依賴于能充分發揮整體功能的新型種業體系的構建,而目前廣西種業體系中的品種選育、種子生產加工、種子經營以及政府管理、公共支持和社會服務六個主要組成部分都存在明顯的缺陷與不足;廣西種子企業綜合競爭力總體處于較水平;面對wto ,廣西種子產業仍有諸多的不適應,突出表現在產業發展基礎薄、尚未形成可以公平競爭的種業市場、種子企業規模小、育繁銷脫節、種業人才素質不高、種子企業法律意識淡薄、國際市場運經驗和國際貿易知識不足等多個方面,而體制不順、企業產權不明晰、缺乏促進種業資源合理流動的有效機制以及「政府創造環境,企業創造財富」的正確理念正是導目前廣西種子產業不能適應入世需要的深層次原因;因此,以提升種子整體產品開發能力為核心,不斷深化改革,調整種業體系中不相協調的各有關因素,構建起符合市場經濟體制要求的具有鮮明時代特徵的新型種業體系,是wto框架下加快廣西種子產業發展必須堅持的指導思想;其中,加快種業體制改革和創新、實施對國有種子企業的非國有化改造、制訂落實有關扶持政策、完善種子法律法規體系、加大公共財政對種子產業的支持力度、推進育繁銷一體化的形成、加強人才培養與引進、壯大種業市場主體、實行重點突破戰略、發揮種子行業協會等等,都是wto框架下加快廣西種子產業發展應該採取的具體對策措施。
  4. Pp38 was found to have immunosuppressive effect on chicken in vivo and the copy number of 132 - bpr was found to be associated with the attenuation of the virus in vitro, meq was believed to be a potential oncogene, based on its leucine zipper structure and proline - rich domain characteristic of jun / fos family of transcription factors, and may plays an important role in the pathogenicity or oncogenicity of mdv

    其中, meq與132 - bpr兩個基因是mdv - 1所特有,已證實132 - bpr的拷貝數與毒株的體外程度有關, pp38則被證實可抑制機體的免疫應答。 meq基因由於具有與瘤基因jun fos家族類似的分子結構,因此,我們有理由認為meq基因在mdv病、瘤中可能發揮重要的
  5. Dr gordon soo, honorary clinical assistant professor, division of otorhinolaryngology of the department of surgery, cuhk, who is directing the clinical research team involved said, " radiation therapy has proved highly successful in curing this particular cancer but among its frequent side effects are damage to the delicate structures of the ear and different types of hearing loss.

    負責是項臨床研究的香港中文大學醫學院外科學系耳鼻喉科名譽臨床助理教授蘇明順醫生表示:放射性治療可有效地治療鼻咽癌,但也經常帶來一些副,如破壞耳朵一些脆的組織,導不同種類的聽力障礙。
  6. Associative priming and text priming can affect lexical access independently. when the association between the prime and the target is strong, the context effect comes from associative priming mostly and context process on the postlexical access, while the association is weak, if the sentence representation is congruent with the target, the context effect comes from associative priming mostly and context process on the postlexical access ; but if the sentence representation is incongruent with the target, the context effect comes from text priming mainly and context process on the prelexical access

    當啟動詞與目標詞間有較強的語義聯結時,語境效應主要來源於詞與詞之間的聯結啟動,語境於后詞匯通達階段,而當啟動詞與目標詞間僅有較的語義聯結時,若句子表徵與目標詞的語義關系一,則語境效應主要來源於詞與詞之間的聯結啟動,語境於后詞匯通達階段;而若句子表徵與目標詞的語義關系不一,則語境效應主要來源於主題水平的語篇啟動,語境影響前詞匯通達階段。
  7. And the resuits are as follows : the main hazards in rural area were flood, water - logging, landslide and debris flow, whereas water - logging in cities ; the catastrophe was caused by the natural factors including the heavy rain due to the strong tropical storm, the mountainous terrain conditions in xiangjiang river basin, and the man - made factors including unreasonable project construction, the imperfect disaster warning mechanism, the weak consciousness on disaster prevention and the unperfect disaster risk transfer mechanism etc

    結果表明:農村的主要災因子是洪水、內澇、滑坡、泥石流,而城市主要為內澇;此次巨災是在強熱帶風暴引發的暴雨、湘江流域中上游多山的地形條件等自然因素,和工程建設不合理、災害預警機制不夠完善、人們防災意識薄以及災害風險轉移機制不夠成熟等人為因素的共同下導的。
  8. Before september 18 ( superscript th ) incident, " life weekly " paid attention to japanese aggression against china with keen insight and deeply analyzed the reasons for japanese invasion of china : many factors such as japan ' s economy, politic and culture, which " life weekly " regarded as internal reasons for japanese aggression, while it held that the weakness of china was an inportant external reason for the invasion of japan

    「九?一八事變」前, 《生活》周刊以敏銳的觀察力,關注日本對中國的侵略,並對日本侵華的原因了深入分析,認為日本侵華的內在原因是其國內經濟、政治、文化等諸多因素影響、的結果,而中國自身國力的孱則是招日本侵略的重要外因。
  9. Two herbicides treating together have an antagonistic action because of some ions of mixture. the mcn and ona inducted by herbicides do n ' t appear in the meantime

    可能是其化學成分導了某種特定的機理,使得在與其他除草劑聯合時減了對泥鰍紅細胞微核的誘變
  10. It has been shown that whether resonant or non - resonant interaction system, the kerr effect weakens the coupling of the field - atom, shortens the cycle of quantum collapses and revivals of the atomic level occupation and makes the nonclassical correlation properties steady. kerr effects on the properties of the correlation, on the correlation intensity between the two - mode, on the photon - number distribution and on the bunching or antibunching effect of the two - mode su ( 1, 1 ) coherent states produce obviously different characters when it is changed the initial intensity of the light field. that is to say, kerr effect on the two interaction systems is accorded

    數值計算結果表明:無論是共振還是非共振相互, kerr效應均使原子與光場的耦合減,原子布居的崩塌與復甦的周期縮短,光場的非經典相關的穩定性增強;在初始光場較和較強兩種情況下,類kerr介質對雙模su ( 1 , 1 )相干態場兩模間的相關性、相關程度以及光子的聚束與反聚束效應產生的均有明顯的區別,即kerr效應對系統在共振及非共振時的影響是一的。
  11. After feeding albion rat with the extraction from lycium chinense, l. barbarum, l. chinense var. potaninii, the effect of relieving - fever and reducing plasma glucose were compared. the results showed that l. chinense and l. barbarum. had notable relieving - fever effect on big albion rats which fever were induced by carrageenin, the same to l. chinense var. potamnii, but its effect was weaker than l. chinense and l. barbarum, only l. chinense, had obvious reducing plasma glucose effects on small albion rat injected by tetraoxypyrimidine, the effect of the rest was not obvious

    3種地骨皮(枸杞根皮、寧夏枸杞根皮、北方枸杞根皮)原生藥總提取物灌喂大、小白鼠,測定它們對白鼠的解熱和降血糖.結果表明:枸杞根皮和寧夏枸杞根皮對角叉菜膠熱的大白鼠有明顯的解熱;北方枸杞雖也有明顯解熱,但其強度於枸杞和寧夏枸杞. 3種枸杞根皮中僅枸杞根皮對四氧嘧啶小白鼠有明顯降血糖,其餘2種地骨皮降血糖不甚明顯
  12. The results indicated : ( 1 ) during the jointing stage of winter wheat, the differences of catalase activity among different measures of soil water utilization are significant in shallow soil, in which the catalase activity of furrow planting with straw mulch is the highest and that of row - spacing - reduced and close planting is the lowest ; ( 2 ) the trends of catalase activity versus depth are almost the same for different treatments, looking like an inverse s ; ( 3 ) for furrow growing without mulch, the activity of soil catalase in the furrow is higher than that in the ridge ; ( 4 ) soil catalase activity reflects some effects from different techniques of soil water utilization and may be used as a indicator for micro - eco - environment in the fields

    初步分析得出: ( 1 )冬小麥拔節期,採不同土壤水利技術的冬小麥田淺層土壤過氧化氫酶活性差異明顯,以溝播不蓋秸稈處理的過氧化氫酶活性最強,縮行密植處理的最; ( 2 )土壤過氧化氫酶活性隨深度的變化趨勢大體一,呈反s形; ( 3 )溝播不蓋秸稈處理溝中土壤過氧化氫酶活性明顯高於壟上; ( 4 )土壤過氧化氫酶對於田間微生態環境具有指示,在一定程度上反映了土壤水利技術對微生態環境的影響。
  13. Main conclusions drawn from the analyses of calculating results are as follows : ( 1 ) the microwave absorption of atmosphere gas have obvious attenuation at the wavelengths for cloud detection, thereinto, the water attenuation effect changes greatly, so the 94ghz cloud detecting radar should have water vapor attenuation correction scheme. ( 2 ) when 37ghz and 94ghz radars detect clouds, the difference between the atmosphere and cloud attenuation and the large variety of radar reflectivity conduce the intension of the radar backscatter signals change. ( 3 ) for the thin cloud layer and low water content of cloud, 37 - ghz radar backscatter signals are not as good as 94 - ghz radar, that is to say that the 94ghz radar has better capability in thin clouds detection

    本工得出如下結論: ( 1 )大氣氣體的微波吸收在測雲波段產生明顯的衰減,其中水汽衰減效應變化很大;即將上天的空間94ghz測雲雷達必須有水汽衰減訂正方案; ( 2 ) 37ghz和94ghz雷達測雲,由於大氣和雲衰減不同和雷達反射率的很大差異,導雷達回波信號強不同; ( 3 )對雲層較薄、含水量較少的雲,在不計雷達參數的情況下, 37ghz雷達回波信號不如94ghz測雲雷達,也就是說94ghz對薄雲有更強的探測能力;對雲層較厚、含水量大的雲,由於強衰減的, 94ghz雷達回波信號小於37ghz雷達; ( 4 )從大氣衰減的不利因素方面考慮,空間94ghz雷達測高層薄雲的效果最好;測低層薄雲時需要考慮氣體衰減訂正;因濃厚雲的強衰減,探測其中下部的能力大大減,不僅要進行衰減訂正,而且要藉助其他信息來反演整個雲層的含水量垂直分佈; ( 5 )為了獲得從極薄到極濃厚雲的垂直分佈探測能力,未來測雲雷達系統最好採雙波長甚至三波長(如94 、 37和13ghz ) 。
  14. The main issues of the research are put as following : firstly, with the international comparing of market sharing rate and trading competitive index, it was revealed that wheat in china has inferior international competitiveness with a bit rising during current years, however, which is still behind that of the main wheat export countries. secondly, after the international comparing of the main factors that affect the international competitiveness of wheat, it was discovered that chinese wheat has the obvious cost advantage on unit product, while because of the high circulation fee, it results in inferior advantage on the price ; low and unstable quality is another factor which leads to inferior wheat competitiveness ; the input of fertilizer and labor makes little impact on the productivity of chinese wheat, while the input of seeds, irrigation and machine makes a strong impact, so it should be more invested in seeds, irrigation and machine to reduce wheat ' s unit cost. the assistant industries of the wheat, such as breed, production materials and processing industries, have inferior international competitiveness and lagged development

    其次,通過對影響小麥國際競爭力的主要因素的國際比較發現:中國小麥單位產品生產成本具有明顯優勢,但由於較高的流通費,導在價格上不具有優勢;小麥質量較差、品質不穩定是導中國小麥國際競爭力較低的主要因素;生產要素中化肥和勞動力投入對中國小麥生產力水平的影響程度較小,而種子、灌溉和機械投入對小麥生產力水平的的影響程度較大,因此小麥生產投入要以增加種子、灌溉和機械的投入為主,代替大量的化肥和勞動力投入,進一步降低小麥單位產品成本,增強中國小麥國際競爭力;中國小麥的上下游輔助產業(包括品種資源、生產資料和加工業)的國際競爭力較,發展較為滯后;中國小麥生產者的組織化程度較低嚴重製約了中國小麥質量的提高、流通費的降低和加工業的發展;小麥生產經營活動本身的特點決定了在充分發揮市場機製的基礎上,必須通過政府的宏觀調控來克服其市場機制的失靈,保障市場機制有效運行,但通過國際比較研究發現:中國政府在生產者支持、市場體系建設和國際貿易政策上對小麥的支持水平較低,與提高中國小麥國際競爭力的要求有較大差距,尤其是較低的生產者支持水平和市場體系建設程度制約了中國小麥國際競爭力的提高。
  15. Abstract : based on the data obtained from field observations and deformation monitoring, this paper deals with the deformation and failure of a double - decked slope composed of soft rock strata in its lower part and hard - brittle rock strata in its upper part. it is demonstrated that the deformation of this kind of slopes is always initiated by the non - homogeneous rheological compression of the lower soft rock strata, leading to the tension fracture and toppling of the upper hard rock strata, and at last the sliding of the whole deformed body will be caused by the shear failure along the stress - concentration zone in the lower soft rock mass under the actions of the gravitational loading and infiltration water

    文摘:以現場考察和變形監測資料為依據,探討一個下部有軟基座,上部為硬脆性坡體的「二元結構」邊坡的變形破壞問題,揭示這類邊坡的變形總是以下部軟巖體的不均勻壓縮流變為先導,進而引起上部硬脆性坡體的拉裂與傾倒,最終通過滲入水的,使下部承載狀況已進一步惡化了的軟巖體,沿剪應力集中帶發生剪切破壞而導整個變形坡體的下滑。
  16. We also find that the strong long - range interaction, the large transverse field and weak interfacial coupling can lead to the disappearance of some of the peaks of the pyroelectric coefficient and susceptibility of the ferroelectric bilayer. we believe that it is the reason why these phenomena always take place in the experimental studies

    我們還發現,較強的長程相互,較大的橫場以及相對較的界面耦合將會導鐵電雙層薄膜的熱電系數和介電極化率的某些峰消失,這可以來解釋在實驗中常常觀測不到熱釋電系數和介電極化率的某些峰值的原因。
  17. The southeast low - air jet accompanying the tropical cyclone transported plenty of heat and moisture for the storm, the low - level heating and wetting weakeed the stability of the air, and the weak cool air intruded from the low - level and stimulated the convection, thus leading to the heavy storm

    伴隨登陸熱帶氣旋生成的低空東南急流為暴雨輸送了豐富的熱量和水汽,低層增暖增濕促使層結不穩定加劇,而西風帶冷空氣的侵入對暖濕空氣具有抬升,可觸發對流發展和不穩定能量釋放,導大暴雨產生。
  18. Natural mild acidic foaming agent that is similar to the skin ' s ph level ; able to create rich leather cleansing foams and makes the skin feeling fresh without drying

    天然的酸性起泡劑,與皮膚之酸鹼值貼近,可產生豐富細的泡沫,洗后肌膚健康清爽,沒有繃緊
  19. ( s ) weathering and unloading action which are the two main exogenous process is active in epigenetic - surface. so, although one is different with the other, they are associated with each other closely and are cntrolled by geostress and seepage fields. in fact, weak weathered zone corresponds to weak load - off one, strong weathered zone corresponds to strong load - off one in virtue of result of this dissertation. ( 6 ) rock mass is a geologic body which is composed of rock and structural plane. and under the condition of geostress. temperature and seepage fields, correspondingly. studying weathering should pay attation to the aspects of rock, structural plane and fields. according to this. the author subdivises rockmass weathering into rock weathering and structural weathering, ulteriorly, the dissertation studies rockmass weathering from three aspects as follows : ? ock weathering : aberrance degree of mineral and physical mechanical performance of weathered rock ; ? e have already knew that weathering action damage the integrity of rock mass, but few applies it to engineering practice. the dissertation is based on trend o

    本文研究結果為卸荷與風化大對應、強卸荷與強風化大對應; ( 6 )巖體是由組成它的巖石與缺陷賦存於一定環境場中的地質體,據此本文將巖體風化細劃為巖石風化與結構面風化,並進而將表徵巖體風化的指標相應地歸結為三個方面來加以研究並應於工程實踐,這就是:對于巖石風化,主要為礦物的變異程度與風化巖石的物理力學性能研究:雖已認識到風化破壞了巖體完整性,但將該理論應於巖體風化分帶卻不多見,本文即從淺表部位硬性結構面間距、條數、跡長、塊度等隨遠離臨空面的變化規律來研究巖體風化分帶:不同風化、卸荷程度的巖體實際處于不同環境場中,彈性波速變化與特定環境場相對應,因而是反映巖體風化、卸荷的綜合因素。
  20. Conclusion cck contained in the treated chicken calamus easily undergoes hydrolysis to release mainly some peptides which do not induce obvious toxic effects, suggesting the safe potential applications of cck conduit as a tissue - engineering biometerial

    結論雞羽根角蛋白管可被水解,釋放一些肽類物質,其浸提液對皮膚無,皮內刺激反應,不引起全身急性毒性癥狀,無細胞毒性。
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