鐵樹屬 的英文怎麼說
中文拼音 [tiěshùzhǔ]
鐵樹屬
英文
cycas-
Hemlock, red cedar, and balsam fir are among the other trees found in british columbia
鐵杉、紅香椿、香脂冷杉樅都是發現于英屬哥倫比亞的其它樹種。The methods for synthesizing p - hydroxyl ethyl benzoate catalyzed by sulfuric acid, p - toluene sulfonic acid, amino sulfonic acid, strongly acidic cationic exchange resin, ferric chloride hexahydrate, aluminum chloride hexahydrate, stannic chloride pentahydrate, copper sulfate, titanium sulfate, rare earth metal oxide, sodium bisulfate monohydrate, solid super acid and heteropoly acid and so on are reviewed
摘要評述了硫酸、對甲苯磺酸、氨基磺酸、強酸性陽離子交換樹脂、六水合三氯化鐵、六水合三氯化鋁、五水四氯化錫、硫酸銅、硫酸鈦、稀土金屬氧化物、一水硫酸氫鈉、固體超強酸、雜多酸等催化劑催化合成對羥基苯甲酸乙酯的方法。The synthesis methods of isobutyl acetate catalyzed by p - toluene sulfonic acid, amino sulfonic acid, strongly acidic cationic exchange resin, ferric chloride hexahydrate, cupric chloride bi - hydrate, stannic chloride pentahydrate, ammonium ferric sulfate dodecahydrate, sodium bisulfate monohydrate, potassium bisulfate, chitosan sulfate, sodium dihydrogen phosphate, rare earth metallic oxide, solid super acid, heteropoly acid and molecular sieve etal were reviewed
摘要評述了對甲苯磺酸、氨基磺酸、強酸性陽離子交換樹脂、六水三氯化鐵、二水氯化銅、五水四氯化錫、十二水合硫酸鐵銨、一水硫酸氫鈉、硫酸氫鉀、殼聚糖硫酸鹽、磷酸二氫鈉、稀土金屬氧化物、固體超強酸、雜多酸和分子篩等催化劑催化合成乙酸異丁酯的方法。Hongxing forestry is rich in natural resources, it has 15. 5million cubic meters of active timber reserves, in addition, it has more than one hundred kinds of trees such as korean pine, larch dragon spruce, fir, birch, oak and manchurian ash, etc, gold and iron, etc, many kinds of metal mines, such as abound in free burning coal, marble and limestone deposits ; hundreds of wild medicine materials with developing prosperity, such as acanthopanax, fruit of chinese magnoliavine and dangshen, etc
紅星區自然資源相當豐富，活立木總蓄積1550萬立方米，有紅松、落葉松、雲冷杉、樺木、曲柳等百余種樹木；黃金、鐵等多種金屬礦，長焰煤炭、大理石、石灰石等儲量豐富，礦質優良；刺五加、五味子、黨參等幾百種野生藥材頗有開發前景。Liihe palynological data indicate a vertical paleovegetational landscape : evergreen broad - leaved forest dominated by castanopsis, lithocarpus, cycobalanopsis and anacardiaceae etc occurred on the slopes near the deposit site ; mixed coniferous / broad - leaved forest and coniferous forest occurred on the area of high elevation, and main elements were tsuga, podocarpus, pinus, picea and abies etc. seven paleoclimatic parameters of liihe area estimated include mat ( 13. 3 - 20. 9c ), wmt ( 22. 5 - 27. 5c ), cmt ( 2. 5 - 12. 6c ), dt ( 12. 1 - 24. 8c ), map ( 803. 6 - 1254. 7mm ), mmap ( 179. 4 - 281. 9mm ) and mmip ( 10. 2 - l8. 5mm ). yangyi palynoflora comprises of 52 palynomorphs belonging to 32 families. the percentage of angiosperms is 61. 5 %, gymnosperms 9. 6 %, pteridophytes 25. 0 %, algae 3. 9 %
呂合孢粉植物群的組成反映該地區在沉積時期植被具有垂直分帶特徵，沉積地附近分佈有常綠闊葉林，包括殼斗科的青岡屬、栲屬、石櫟屬和漆樹科等植物，以及多種亞熱帶和溫帶闊葉成分；林中混生少量針葉樹（如松屬和杉科等） ；林內蕨類植物較少；距沉積地較遠的海拔較高的地區分佈由鐵杉屬、冷杉屬、雪松屬和雲杉屬組成的針闊混交林或針葉林。Longling palynoflora comprises of 86 palynomorphs belonging to 61 families, and consist of angiosperms ( 69. 0 % ), gymnosperms ( 4. 6 % ), pteridophytes ( 24. 1 % ) and algae ( 2. 3 % ). longling palynological data indicate a vertical paleovegetational landscape : humid evergreen broad - leaved forest occurred on the slopes near the deposit site, and dominant elements were castanopsis, lithocarpus, cycobalanopsis, mixed with ericaceae, anacardiaceae and sapindaceae etc, and abundant ferns grew in the forest ; the mixed coniferous / broad - leaved forest and coniferous forest distributed on the area of high elevation, dominant elements were tsuga, pinus, picea and abies
濕性常綠闊葉林分佈在沉積地附近，以殼斗科的石櫟屬、青岡屬和栲屬為主，混生漆樹科、桃金娘科、蓼科、大戟科和金縷梅科的楓香屬等植物，林內蕨類植物豐富；針闊葉混交林分佈在距沉積地較遠海拔較高的山地，主要包括松屬，鐵杉屬，羅漢松屬和一些闊葉植物類群；雲杉林、冷杉林和鐵杉林分佈在更高海拔的地區。Among 54 arbitrary primers tested, only 9 primers could generate clear and reproducible fragments in 32 species belonging to 12 genera of the family gryllidae ; 9 primers in 15 species belonging to 7 genera of the family trigonidiidae ; 12 primers in 3 species belonging to the genus oecanthus of the family oecanthidae ; 12 primers in 4 species belonging to 3 genera of the family eneopteridae ; 13 primers in 1 species belonging to the genus homoeogryllus of the family phalangopsidae ; 13 primers in 1 species belonging to the genus sclerogryllus of the family sclerogryllidae ; and 13 primers in 1 species belonging to the genus eulandrevus of the family gryllomorphidae
本研究經用54種隨機引物對57種蟋蟀的rapd擴增分析得出以下結論： 1 ）採用rapd技術，首次較系統地對中國蟋蟀總科7科26屬共57種蟋蟀進行了系統學研究。在所試用的54種隨機引物中篩選出可擴增出清晰可辨且穩定的rapd圖譜的引物分別為：蟋蟀科9種、嶺蟋科9種、樹蟋科12種、結蟋科12種、蛛蟋科13種、鐵蟋科13種、貌蟋科13種。In the light of tectonic evolution stage and metallogenesis, these metallogenic system ( assemblage ) could be classified as follows : ( 1 ) the pre - divergent metallogenic system in the southwest margin of north china paleocontinent in the archean - meso proterozoic : dongdashan iron, jinchuan nickel - copper. ( 2 ) the divergent metallogenic system in the northern margin of the qaidam paleoplate in the middle - late proterozoic : huashugou - liugouxia iron. ( 3 ) the metallogenic system in the active margin in the early paleozoic : the metallogenic assemblage in the island arc - rift in the early stage ( baiyinchang - qingshuigou copper - polymetallic ) ; the metallogenic assemblage in island arc in the middle - late stage ( honggou - jiaolongzhang copper - polymetallic ) ; the back - arc extensional basin ( zhuzhuiyaba - jiugequan - shijuli copper ) ; the metallogenic assemblage in connection with subduction and magmatic - hydatogenesis ( taergou - xiaoliugou wolfram ; huashugou - liugouxia copper ; dadonggou - diaodaban lead - zinc ) ; the metallogenic assemblage is related to the oceanic crustal shards ( dadaoerji chromite ; yushigou chromite ). ( 4 ) the metallogenic system has something to do with collision - type orogeny : the metallogenic assemblage in foreland basin ( tianlu copper ) ; the metallogenic assemblage with the intracontinental orogeny and ductile shear ( hanshan - yingzhuishan gold )
根據構造發展階段和成礦作用特點，確定本區成礦系統及組合如下： （ 1 ）華北板塊西南邊緣太古宙中元古代裂解期前成礦系統：東大山鐵成礦組合，金川鎳銅成礦組合； （ 2 ）柴達木板塊北緣中、新元古代裂解成礦系統：樺樹溝柳溝峽鐵成礦組合； （ 3 ）加里東期活動大陸邊緣成礦系統：早期島弧裂谷成礦組合（白銀廠清水溝銅及多金屬成礦組合） ，中、晚期島弧成礦組合（紅溝蛟龍掌銅及多金屬成礦組合） ，弧后擴張盆地成礦組合（豬咀啞巴九個泉石居里銅及多金屬成礦組合） ，與俯沖作用有關的巖漿熱液成礦組合（塔爾溝小柳溝鎢成礦組合，樺樹溝柳溝峽銅成礦組合，大東溝吊大坂鉛鋅成礦組合） ，洋殼殘片成礦組合（大道爾吉鉻成礦組合，玉石溝鉻成礦組合） ； （ 4 ）碰撞造山成礦系統：前陸盆地成礦組合（天鹿銅成礦組合） ，陸內造山韌性剪切成礦組合（寒山鷹咀山金成礦組合） 。The sand faced - iron mould casting process is a special iron castings production process, according which castings are to he cast in the iron moulds having a thin layer of the resin sand facing in their inner surfaces
摘要鐵型覆砂鑄造是指在金屬型（鐵型）內腔覆上一薄層樹脂砂，然後採用這種覆砂鐵型澆注鑄件。Tt _ dtc realizes a series of processes including data preprocess, decision tree classification, producing rules and prediction analysis, which based on the data of train tickets and aimed at the characters of tram tickets which have large amount of data and complex attributes
Tt _ dtc方法以鐵路客票數據為基礎，以鐵路客票營銷分析為目的，針對鐵路客票信息數據量大、屬性復雜、域值廣等特點，實現了從數據預處理、決策樹生成到規則提取、知識產生等一系列過程。With rich data hi tram tickets system, how to mine useful knowledge is an important problem. applying the technology of classification hi train tickets analysis, we construct a new classification method tt _ dtc ( decision tree classification based on train tickets ). we apply new classification algorithm sf _ dt ( decision tree classification algorithm based on splitting files ) that bases on splitting files and quantity rules, which aimed at the characters of train tickets
本文將數據挖掘中的分類技術用於鐵路客票營銷分析中的客票分類，形成了一種新的分類方法tt _ dtc （ decisiontreeclassificationbasedontraintickets ） ，該方法針對鐵路客票的實際特點，採用新的基於文件分割和定量規則的決策樹分類演算法sf _ dt （ decisiontreeclassificationalgorithmbasedonsplittingfiles ）對客票數據進行分析，以達到依據客票屬性特徵對客票發售及列車運營情況進行分類及預測的目的。分享友人