l low 中文意思是什麼

l low 解釋
低速檔
  • l : L-beam, L-iron 不等邊角鋼。L,￡＝ 〈拉丁語〉 libra （＝ pound）。
  • low : adj 1 低的；淺的，矮的。 low flight 低飛。 a low temperature 低溫。 low tide [water] 低潮。 The g...
  1. Deng x g, zhuang f g, mao m l. on low mach number perfect gas flow calculations [ r ], aiaa paper 99 - 3317

    鄧小剛.粘性超聲速復雜氣動力干擾的數值模擬[ d ] : [博士學位論文] ，中國空氣動力研究與發展中心， 1991
  2. Ammonifiers in suzhou creek can not use inorganic nitrogen and carbamide as nitrogen source ; additional carbon source and garbage lixivium have little influence on ammonifiers growth ; high content of salt and low temperature restrain ammonifiers growth ; alkalescent condition has little influence on ammonifiers, but acidic condition restrain ammonifiers growth ; the biomass of ammonifiers are not necessary correlated with the function of ammonifiers, adding glucose with 1g / l content into the water sample obviously promote the growth and function of ammonifiers. physiological groups of bacteria play significant role in the translation and

    蘇州河的氨化菌無法利用無機氮和尿素作為氮源；在營養條件充足時添加額外c源和富含有機物的垃圾浸出液對氨化菌的生長基本無影響；高鹽度和低溫抑制氨化菌生長；堿性條件對氨化菌的生長影響不大，酸性條件對氨化菌生長具有抑制作用；氨化菌生物量的消長與轉氨活性之間不存在必然聯系， 1g / l的葡萄糖對蘇州河水樣中氨化菌的數量和轉氨功能具有明顯的促進作用。
  3. Coelopleurus maculatus a. agassiz & h. l. clark : medium to rather small, low - hemispherical. ambulacra as broad as interambulacra

    並提供了大部分種的形態結構圖片，對一些容易混淆的常見種進行了討論比較。
  4. The results show that : l ) there are three anomalous high temperature areas and three anomalous low temperature areas, and the whole area high temperature anomaly took place in the late 1980s, whereas the low temperature anomaly in the 1970 ; 2 ) the spatial mode manifests identical variations in the whole area, and the temporal coefficient curve is of 2 - 3 year period oscillation and an interdecadal abrupt in the late 1970s ; 3 ) the variance of interdecadal component is obviously larger than that of interannual in the most part of nespa ; 4 ) the interdecadal variation of the temperature is mainly linear ascendance in the late 1970s, the large range anomalous high ( low ) temperature occurs when the interdecadal and interannual anomaly are both positive ( negative ) in the year ; 5 ) the temperature anomaly is divided into four patterns : southern, northern, eastern and western patterns, in which the interdecadal variation of the southern and western patterns is relatively importance and the interannual variation of eastern and northern pattern is relatively importance

    本文用夏季（ 6 - 8月）中國東北地區91個測站44年氣溫資料，對該區夏季氣溫的氣候平均和異常場進行分析，採用諧波分析將異常變化的年代際、年際尺度分量分離，分別分析兩種尺度上氣溫異常的時空特徵，最後應用reof進行了氣溫異常的區劃，研究局域異常變化的年代際、年際分量的變化特徵。結果發現： 1 ）東北夏季有三個異常高溫高發區和三個異常低溫高發區。全區性異常高溫（低溫）階段出現在上世紀80年代后（ 70年代） 。
  5. According to the research of physiological and biochemical indicators or index, components of soluble proteins, substrate protein of phosphorylation and the activity of protein kinase in low - temperature stress in the leaves of brassica oleracea l., we tried to find the law of the physiological and biochemical response of brassica oleracea l. leaf to low temperature. at the same time, discussion on the signal transduction can also provide further evidences for revealing the mechanism of low - temperature stress. the results are showed as follows : malondialdehyde ( mda ), superoxide dismutase ( sod ), ascorbate peroxidase ( asp ) and peroxidase ( pod ) activities were changed greatly after 0 ~ 30min ' s treating with low temperature

    本文以甘藍葉片為材料，通過對低溫5脅迫下甘藍生理生化指標、可溶性蛋白組分以及磷酸化底物蛋白、蛋白激酶活性的研究，以期找出甘藍葉片對低溫脅迫的生理生化響應規律，為甘藍露地越冬栽培防範寒害提供理論指導，同時對低溫脅迫下甘藍逆境信號傳導進行了探討，從而為徹底弄清低溫脅迫機理提供進一步的證據，研究的主要結果如下：丙二醛含量（ mda ） 、超氧化物歧化酶（ sod ） 、抗壞血酸過氧化物酶（ asp ）和過氧化物酶（ pod ）活性在低溫處理0 30min發生顯著變化，低溫處理3min后，甘藍葉片內mda含量基本沒有變化，處理5min時出現第一個峰值，達到對照的104 . 10 ， 10min出現低谷，僅為對照的86 . 27 ，隨后再次上升， 30min時超過第一峰值，為對照的113 . 93 。
  6. There has been many papers to discuss the in - medium quark and gluon condensates in nuclear matter which use the models with su ( 2 ) l su ( 2 ) r sym - metry. now, we make use of the chiral model su ( 3 ) l su ( 3 ) n including the baryon octet to discuss the quark condensate < qq > in strange matter, where q is an up or down quark field. on the one hand, from the experimetal data, it is found that < qq > vac = - ( 225 25mev ) 3, on the other hand, with the hellmann - feynman theorem, quark condensate can be evaluated on the hadronic level. in this paper, we will investigate the quark condensate in strange matter with the chiral symmetry su ( 3 ) l x su ( 3 ) rspontaneous breaking lagrangian to obtain the variation of the quark condensate in the strange matter when the baryon number change. it can be applied to understand the neutron stars when the neutron star are considered to be constructed by the strange matter. because nertron stars are homogeneous and at very low temperature, we will use the mean - field approximation and zero temperature throughout this paper

    鑒于已有大量文獻討論了核物質中的夸克凝聚，本文將討論在奇異物質中的夸克凝聚。而在介質中的夸克凝聚的基本公式可由hellmann - feynman理論導出，所以運用手征對稱自發破缺拉氏量以及平均場近似，我們就可以討論在奇異物質中的夸克凝聚，由所計算的結果表明： （ 1 ）奇異物質中的夸克凝聚隨奇異物質密度的增大而單調減小。 （ 2 ） -凝聚的出現對衰減率有影響。
  7. Effects of low - dose capsaicin on l - type calcium current in guinea pig ventricular myocytes

    小劑量辣椒素對豚鼠心室肌細胞l -型鈣電流的影響
  8. The results also revealed that it was a reasonable choice to use carbenicillin as the antibiotics of inhibiting growth of remnant agrobacterium after co - culture, and when hygromycin was used as the selective agent, continuous selection at low concentrations ( 50 ~ 150mg / l ) produced the highest numbers of transgenic plants without escapes

    試驗表明，在農桿菌介導高羊茅遺傳轉化中，抑菌劑宜選用梭節青霉素;以潮黴素作為選擇劑時，採用低濃度（ 50一15om留l ）連續篩選的方式比較合適，在該方式下，獲得的轉基因植株較多。
  9. But cluster buds can not be obtained from the callus of stems and embryo. it has likely relate to the inner structure of callus. lt is very difficult to get embryoid from mature embryo and its inducing rate is very low, and only 11. 5 % in the media containing n6 + ba 1. 5mg / l + naa 0. 5mg / l + sucrose 30g / l + agar 8g / l + ac 2g / l which is the best media for gingo tissue culture

    而莖段和胚誘導的愈傷組織基本上沒有叢生芽發生，這可能和不同愈傷組織的內部結構有關。成熟胚的胚狀體誘導率較低，誘導相當困難，在n6 bai
  10. Section two the evaluation of biocompatibility of the acellular dermal matrix by the method of cell culture. the new born rat ' s epdermic cells were cultured with the acellular dermal matrix together as experiment group, while the epdermic cell were cultured simply as control. 24 hours later, under the invert microscope, the epidermic cells anchored well and transparent flat cells were observed in both groups. 7 days later, both cultured cells were taked out and fixed in 95 % ethanol, stained with hematoxylin and were observed under light microscope. many cleaved cells were observed in both groups. during cell culture, no pathogenic microganism was observed. so we considered the acellular dermal matrix was aseptic and had good biocompatibility. section three subdermal implantation of the acellular dermal matrix. 24 rats were used in the experiments. a piece of acellular dermal matrix ( 1. 5 x 1. 5cm2 ) was implanted beneath the dorsum skin flaps of each rat, 1 week, 2 weeks, 3 weeks and 4 weeks after implantation, 6 pieces of acellular dermal matrix were harvested and the size of implanted acellular dermal matrix were measured, the sections were used for he staining and observed under light microscope. the result were as folio wing : 1 - 2 weeks after implantation, the acellular dermal matrix began to adhere to the tissue around and turned red gradually ; 3 - 4weeks after implantation, the acellular dermal matrix adhered closely to the tissue around and could be recognized easily, 1 - 3 weeks after implantation, the size of implanted acellular dermal matrix had no statistical difference ( p > 0. 05 ). 4 weeks after implantation implanted acellular dermal matrix contracted ( p < 0. 05 ). under light microscope, l - 2weeks after implantation, the fibroblast cells infiltrated the acellular dermal matrix and a small amount endothelial cells of vessel and lympho - histiocytic cells infiltrated the acellular dermal matrix. 3 - 4 weeks after implantation, infiltrating blood vessels were evident. so we think that the acellular dermal matrix had low immunological reactions and could induce the infiltration of fibroblast macrophage cell and the endothelial cells of vessel

    結果如下：皮下包埋卜周者，無細胞真皮基質漸與周圍組織粘附，顏色由蒼白轉紅；皮下包埋3周者，無細胞真皮基質與周圍組織緊密枯附，盾晰葉辯；術后卜周，包埋的基質面積變化較包埋前無統計學差異o川0引，術后4周包埋的無細胞真皮基質面積較包埋前縮小j刃刀5 ） 。光鏡下術后卜周，宿主的淋巳組織細胞、成纖維細胞浸入生長，釉附在膠原纖維上，少量血管內皮細胞浸入基質；術后34周，無細胞真皮基質內較多的血管形成，故可認為無細胞真皮基質免疫原性低，能誘導宿主的成纖維細胞、巨噬細胞浸入生長，為一種新型的真皮替代物。第四部分無細胞真皮基質與自體斷層皮片復合移棺的研究， sd大鼠10隻，在其背部卜方造成全厚皮膚缺損的創面
  11. No low blows ! l ' ll take care of this, joe

    不準低拳！我會處理的，喬伊
  12. In left - sided pneumonectomy patients, r olumes were normal whereas l ejection fraction was abnormally low

    在左側肺切除的患者中， r的容積是正常的，而l射血分數是異常偏低的。
  13. In order to study the mechanism of the effect of low concentration tfp on the proliferation of s. pombe, we watch yeast cells loaded with fluo - 3 under laser scanning confocal microscope ( lscm ). the fluorescence intensity reflected the cytosolic free calcium concentration. the result showed that, the cytosolic free ca2 + concentration in s. pombe cultured in ca2 + - free medium was 2 ~ 3 times lower than that in s. pombe cultured in medium containing 10umol / l ca24, while ca2 + concentration in s. pombe treated with 50umol / l tfp was 4 - 5 times higher

    本文發現增加胞外鈣濃度以及低濃度（ 20 100 mol l ）三氟拉嗪（ tfp ）不但能促進野生型s . pombe細胞的增殖，而且對mfp7菌株也有同樣的效應，這說明胞外ca ~ （ 2 + ）和低濃度tfp對不同遺傳型裂殖酵母細胞的增殖均有促進作用。
  14. There was a low level of ppar5 mrna expression in the luminal epithelium and the glandular epithelium from day l to 8 of pseudopregnancy. ppar5 protein was not detected in the luminal epithelium and the glandulax epithelium from day l to 8 of pseudopregnancy

    在假孕大鼠子宮中， ppar mrna第1 - 8天腔上皮及腺上皮上持續弱表達，而ppar蛋白質在假孕各期子宮中均沒有檢測到。
  15. The result manifests in the pearson " s correlation coefficients : e dimension has significant positive but low correlation with mature and neurotic defense factors ; n dimension has significant positive correlation from medium level and decreased progressively with immature neurotic and mature defense factors ; p dimension has simular phenomenon as n dimension while l dimension has negative and medium level of negative correlation with pretence factor

    在dsq與epq的相關結果表明： e維度與成熟型和中間型防禦因子有低的正相關； n維度與不成熟、中間型和成熟型相關從中等依次遞減； p維度的情況與n維度相若； l維度與掩飾因子中等程度的負相關。
  16. To investigate the mechanism of trefoil factor 3 on the gastric intestine epithelial restitution, the recombinant human trefoil factor 3 was added to human colonic tumor cell and the proliferation effect was examined by mtt assay. the recombinant protein didn t promote the proliferation of the hct cells at low density of 0. 010. 05 g l and only has weakly proliferation effect at density of 0. 10. 2 g l. 1 g l of the recombinant protein could significantly promote the cell migration of hct cells when added to the monolayers cells

    將重組人三葉因子3 trefoil factor 3 ， tff3作用於人結腸腫瘤細胞，研究重組蛋白對細胞增殖的影響，結果發現該蛋白在較低的濃度1050 mg l下對細胞的增殖基本沒有影響，在100200 mg l濃度下該蛋白對細胞僅有微弱的刺激作用，提高濃度對細胞增殖作用沒有改變。同時研究了tff3對損傷的單層結腸腫瘤細胞遷移的影響，發現tff3對細胞有明顯的促進遷移作用。
  17. According to press accounts, china can use probable low - energy lasers to “ blind ” the sensors on low - earth - orbiting satellites, although whether this claim extends to actua l facilities is unclear

    根據新聞媒體的報道，中國可能能夠用低能量激光，使近地軌道衛星的傳感器「致盲」 ，雖然還不清楚這種說法是否涉及實際的設備。
  18. Tncyclic diterpanes c20, c21 and c23 distribution also has relationship with oil gravity, oil and gas production, as well as oil pool formation timing and oil source. rising - patterned oil originates from fengcheng formation, while peak - patterned oil from xiawuerhe formation. four types of migration and accumulation models are put forward : ( l ) fault controlled migration and accumulation along ridge far from source region ; ( 2 ) fault and unconformity controlled migration and accumulation around source region ; ( 3 ) fault controlled migration and accumulation in the slopes within source region ; ( 4 ) biogenetic and low temperature catalyzed gas migration and accumulation in middle and shallow formation

    受擠壓背景控制，研究區內海西期形成的斷裂，全部為逆斷裂，活動期長，可以延續到印支期和燕山期，斷開層位可以從石炭繫上延至誅羅系，它們對區域構造、沉積、油氣運聚有顯著的控製作用；而燕山期形成的斷裂多為小型正斷裂，部分為株羅系和白要系內部斷裂，部分從徐羅系斷至白聖系。
  19. Standard for safety for type l low - temperature venting systems

    L型低溫通風系統安全標準
  20. Type l, low - temperature venting systems

    L型低溫通風系統
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