This experiment passing to grope for the carbon source constitutes of the culture medium and using t. reesei rut c - 30 induced the expression of # - mannanase ( # - 1, 4 - mannan mannohydrolase ec 3. 2. 1. 78 ). in this experiment i put the constant carbon source ( lactose and locust bean gum ) in the foundation culture medium ( mandels nourishment liquid ) of t. reesei rut c - 30, then proceeded the variable carbon source ( dragon spruce fiber, com rush pith fiber, wheat straw fiber, wheat straw xylan, corn rush pith xylan, dragon spruce mannan ) to single factor, double factor, three factor, four factor and five factor orthogonal experiment. 1 determined the activity of p - mannanase using locost bean gum as substract by the 3, 5 - dinitosalicylic acid method, and observed the growing situation of the gernic at the end i selected the directions for the inducement expression of the # ? mannanase from trichoderma reesei rut - c30 that contained the dragon spruce fiber, wheat straw xylan, dragon spruce mannan
在里氏木霉rutc - 30的基礎培養基（ mandels營養液）中加入固定碳源乳糖和槐豆膠，然後將可變碳源（雲杉纖維、玉米
芯纖維、麥
桿纖維、麥
桿木聚糖、玉米
芯木聚糖、雲杉甘露聚糖）進行單因子、雙因子、三因子、四因子、五因子的里氏木霉rutc - 30正交培養實驗，並以槐豆膠為底物用3 ， 5二硝基水楊酸法測定培養液中?甘露聚糖酶的活力。從而確定了酶活最高且菌體生長良好的含雲杉纖維、麥
桿木聚糖和雲杉甘露聚糖的誘導培養基為最佳培養基，用該培養基培養的里氏木霉（ t . reesei ） rutc - 30使其轉錄的-甘露聚糖酶（ - 1 ， 4 - mannanmannohydrolaseec3 . 2 . 1 . 78 ） mrna量能夠滿足rt - pcr的要求。
For the rod penetrators used for 30mm naval gun, the structures, the ballistic performance, the penetration and their design are studied systematically. in the paper, the reasonable design of sabot and projectile core is presented and the influence of various factors on ballistic performance of rod penetrators is analyzed. additionally, the optimum design techniques in exterior ballistics for the small caliber fin - stabilized and sabot discarded penetrators are developed
本文對海30艦炮適用的
桿式脫殼穿甲彈的結構特性、彈道特性、穿甲威力及設計方法進行了系統研究，提出了合理的彈
芯結構和彈托方案，研究了各種因素對
桿式穿甲彈外彈道性能的影響，建立了一套小口徑尾翼穩定脫殼穿甲彈外彈道優化設計方法，並利用該方法在一定的戰術技術要求下對海30艦炮尾翼穩定脫殼穿甲彈進行了優化設計，得到了優化方案，研究結果對海30艦炮以及同類小口徑火炮
桿式穿甲彈的設計有重要的指導意義。
Top quality hydraulic pump with welded construction hard chrome plated pistion and pump plunger ensure durability and corrosion resistance
液壓缸體為優質鋼焊接而成，注塞
桿、泵
芯鍍硬鉻，耐磨、耐腐蝕。
Abstract : this paper introduces the choice and ramming of the refractories for the 12 t induction channel furnace ， which is one of the import production facilities for producing “ oxygen free ” copper wire by upward - leading continuous casting. the cost of home - made refractories is only 1 / 5 1 / 8 of that of import one. it is of benefit to all similar import furnaces that the domestic refractiones were successfully rammed and used
文摘:介紹了引進無氧銅
桿上引法生產線中12t有
芯感應爐爐襯耐火材料的選用和砌築工藝；運行狀況良好，整個材料費僅為進口同類材料的1 / 5 1 / 8 ；該熔銅爐爐襯的成功砌築和使用，為其他同類爐子爐襯耐火材料的國產化提供了範例。
The company existing 1200 sets of rapier - looms, staff 350 person and technical personnel more than 50 people, the technical force is abundant, mainly produces each kind of wick fabric series product, and take the wick woolen embroidery flower, embosses, the flocking and so on the deep processing as leads the product, the quality excellent, the product sells in distant markets country and the area and so on the japan, us, hong kong
公司現有劍
桿1200臺，職工350人和技術人員50多人，技術力量雄厚，主要生產各種燈
芯絨系列產品，並以燈
芯絨繡花、壓花、植絨等深加工為主導產品，質量上乘，產品遠銷日本、美國、香港等國家和地區。
Our main products include central material supply system, series drier, automatic charging machine, single double screw extruder, series heating and cooling blending machine, crusher, cold water machine, mould temperature controller, pipe, bar section, board, pp - r pipe, pe fuel pipe, plastic dual tubing extrusion production line and granulation completed production line equipment, at same time, we also carry on various plastic machine and refrigeration engineering. the products are sold well in every province and city of the whole country and also exported to about 30 countries and areas with strong technical force, advanced equipment, scientific management system and perfect after - sales service
公司主要產品有集中供料系統系列乾燥機自動加料機單雙螺
桿擠出機粉料高速混合機粒料混合機螺旋上料機牽引機切割機離心脫水機化纖團粒機全自動擴口機全自動計量混合裝置破碎機磨粉機冷水機模溫機管材型材板材pvc管材pp - r管材pe供水燃氣管材中空壁纏繞管材硅
芯管材生產線，雙管擠出電工穿線管材造粒等全套生產線設備。
Milling cutters. interchangeability dimensions for cutter arbor or cutter mandrels
銑刀.銑刀
桿或銑刀
芯軸的互換性尺寸
Milling cutters - specification for dimensions for interchangeability of cutter arbors and cutter mandrels
銑刀.第6部分:銑刀
桿或銑刀
芯軸互換性尺寸規范
Diamond press machine, synthetic diamond and its products various pressure containers other produts sucker rods, various derricks, drilling tools, hydraulic jacks, water swivels, hydraulic breakout tools, hydraulic pumping units and so on
該廠的主要產品有：地質巖
芯鉆機工程施工鉆機水文水井鉆機汽車鉆機鉆塔泥漿泵金剛石壓機人造金剛石及製品液動螺
桿鉆泵井壁管和抽油
桿以及一
Straight moving type relief valves, mainly valve disc, valve body, spring - loaded, roof, regulation pole, conditioning nut, and other integral parts
直動型溢流閥，主要有閥
芯、閥體、彈簧、上蓋、調節
桿、調節螺母等零件組成。
Standard test methods for mandrel bend test of attached organic coatings
塗覆有機塗層的
芯桿彎曲試驗的標準試驗方法
The machine is ideal for laboratory education and small production, the system is also suitable for extruding straws, refiltubes and most small diameter tubing and a wide range of industrial applications
產品應用范圍廣泛：食品工業的飲料吸管、冰淇淋棒、糖棒等；其他工業應用：筆
芯、筆
桿；噴頭吸管、棉簽棒、醫用管、各種玩具用管、穿線管、導管、剎車管等及其它工業應用小異型材。
Vegetable fiber dining tools : they are mainly made from wastes of crops such as rice shell, wheat shell, straw, and corn wick c
B .植物纖維類餐飲具，主要生產原料為稻殼或麥殼秸
桿稻草玉米
芯等農作物的廢棄物
Wdtf is the manufacturing base for geotechnical drilling tools of cge. its main products are drilling tools for geological and engineering drilling, including wireline drilling tools, pneumatic downhole hammers, downhole drilling motors, synthetic diamond and its products, tungsten carbide and its products, various drilling pipes and tools. all products are reliable in quality, stable in performance and reasonable in price
無錫鉆探工具廠為中裝集團勘探和工程施工用鉆具的生產基地，主要生產各種地質勘探鉆進用鉆具和工程施工用鉆具，包括以繩索取
芯工具系列風動潛孔沖擊器系列螺
桿鉆具系列為代表的鉆探工具人造金剛石及其製品各種牌號的型號的硬質合金及其製品各種釬
桿釬具等。
Carry on a large amount of experiment and analysings, the result of calculation of designing has been verified, the error of designing and computing has been revised, the physical dimension of the rivet has been confirmed finally. combine the real working condition of the factory the difficulties that the rivet stem and the locking collar are difficult to process are solved, a series of feasible technology schemes are made finally. according to the designing and of the test of the blind rivet, consult the relevant standards of u. s. a., the relevant aviation industrial standards which lay the foundation for the popularizaion and application of the rivet are compiled
本文通過系統分析及計算，突破了鉚釘抽鉚成形、剪斷環及時被剪斷、
芯桿到位及時拉斷等一系列技術難點，確定了設計方案，運用有限元方法對機械鎖緊鼓包型抽
芯鉚釘進行了強度分析：制定了試驗方案，驗證了設計計算結果，修正了設計計算所造成的誤差，確定了鉚釘的結構尺寸；結合工廠的實際生產條件，解決了釘
桿和鎖圈難以加工的困難，制定出?系列可行的工藝方案：根據設計及試驗結果，參照美國的相關標準，編制了系列航空工業標準，為機械鎖緊鼓包型抽
芯鉚釘的推廣應用打下了基礎。
Closed end blind rivets with break pull mandrel and protruding head - st st
帶截斷抽
芯桿和凸頭的封閉端盲鉚釘. st st
Closed end blind rivets with break pull mandrel and protruding head - aia st
帶截斷抽
芯桿和凸頭的封閉端盲鉚釘. aia st
Open end blind rivets with break pull mandrel and protruding head - nicu st or nicu sst
帶截斷抽
芯桿和凸頭的敞開端盲鉚釘. nicu st或nicu sst
Application of separations on ion - exchange resines. resin types, column making and utilisation
離子交換樹脂分離法.樹脂類型芯桿的製造和使用
