sieve tube 基本解释筛管；
sieve tube 网络解释
4. In contrast to xylem components, sieve tube elements have nonlignified cell walls, and a living enucleate without a nucleus protoplast.
与木质部组分不同，筛管分子具有未木质化的细胞壁，没有核但有活的原生质体，因此是活细胞。
5. The relative motion of particles with the screen surface is mainly parallel to the movement of bar screen, flat vibrating screen, sieve tube, with its screening efficiency and productivity are low.
再就是筛子的振幅与振次，这与筛子的结构物性有关，在一定的范围内，增加振动可以提高筛分指标。
6. The effects of different level bentonite on the content of soil water and soil organic matter in the field are studied with the sandy sieve tube method.
通过田间条件下砂滤管试验，研究了不同膨润土施用量及有机物料对砂土土壤含水量和有机质含量的影响。
7. Stainless steel table and stool (which can take-off and landing), experimental workbench, stainless steel console, stainless steel recording units, interlocking umbrellas frame (12, 18, 24), stainless steel step by step, stainless steel mop frame, circular outdoor dustbin, barrel racks, and racks, five flower grid shelves, stainless steel carts (the second floor; three), stainless steel floor drain, stainless steel flow plate, stainless steel powder are summarized, stainless steel ladle, stainless steel buckets, volume stainless steel barrels, stainless steel barrels, stainless steel bucket trucks, stainless steel sieve sampling tube, stainless steel oil pump, stainless steel frame name, stainless steel isolation frame, such as stainless steel spatula.
不锈钢桌子，凳子、实验工作台、不锈钢操作台、不锈钢记录台、带锁雨具架（12头，18头，24头）、不锈钢步步高、不锈钢拖把架、户外圆形垃圾桶、桶架、地架、五层花格货架、不锈钢推车、不锈钢地漏、不锈钢周转盘、不锈钢粉撮、不锈钢舀子、不锈钢水桶、不锈钢容积桶、不锈钢桶、不锈钢桶车、不锈钢筛取样管、不锈钢油抽、不锈钢品名架、不锈钢隔离架、不锈钢铲等。
sieve tube
8. It mainly in the disc structure of the principle of moving a number of sieve machine based on the increased number of technical measures to drop the use of high-speed films rotary tubular track to the film to rotate in space to form a fixed level, and fall into the hands of a tube-like bottle-chip, to achieve 100% of the number of film effects
该机结构原理主要在盘式筛动数片机的基础上增加了一些技术措施，落片时采用高速旋转管轨道，使片子进行旋转，在空间形成一个固定水平状态，一片片落入管状瓶中，能达到100%的数片效果，该机主要结构有进瓶斗，输送带和盘式筛动机头三个部位组成。
9. Our results showed that the transportation of JA from phloem to xylem occurred mainly through ray parenchyma cells and cambium regions, and that JA could be transported rapidly upwards and downwards through vessel tube and sieve tube.
3H?JA分布在筛管、次生韧皮部的薄壁细胞和射线细胞、形成层区以及导管、次生木质部的薄壁细胞和射线细胞，其中，在韧皮部和木质部的射线细胞及筛管、导管壁周围分布最多。
10. I plant mine production of screen products have sieve, sieve blue, sieve tube and so on.
我厂生产的矿筛网制品有筛片、筛蓝、筛筒等。
11. The company has windowed corrugated plate packing, small ripple from the saddle ring loose fill, such as utility model patents, the main processing and manufacturing of petroleum, chemical, oil refining, coking, pharmaceutical and other industries within the pieces of stainless steel towers, such as: air-tube distributor, distributor disc groove, double row vane distributor, driven valve trays, tongue-shaped tray, floating tongue trays, sieve trays, bubble cap trays, metal mesh corrugated structured packing, metal packing puncture calendering, sheet corrugated structured packing, turtle nets, packing bearings, all kinds of loose packing such as Rasi ring, Pall Ring, ladder ring, flat ring, Intalox ring, metal wreath tower, etc.
公司拥有开窗式孔板波纹填料，细波纹环距鞍散堆填料等实用新型专利技术，主要加工制造石油、化工、炼油、焦化、制药等行业不锈钢塔器内件，如：管式空气分布器、槽盘式分布器、双列叶片式分布器、导向浮阀塔盘、舌形塔盘、浮舌塔盘、筛孔塔盘、泡罩塔盘，金属网孔波纹规整填料、金属压延刺孔波纹填料、板波纹规整填料、龟甲网、填料支承，各种散堆填料如拉西环、鲍尔环、阶梯环、扁环、矩鞍环、金属花环等塔内件。
sieve tube
12. Aphids in the process of inhaling plant sap virus particles and auxiliary proteins also be inhaled, thus completing the process by poison, which also supports the field citrus aphid is non-persistent decline disease vector of disease, while the citrus Huanglongbing is phloem restricted by the bacteria caused the main pathogens present in the phloem, the fleas only by phloem feeding in diseased plants, pathogens in the body through the back to complete the salivary glands in the course of the next through the sieve tube feeding in the secretion of saliva the pathogens into the healthy tree, Citrus Huanglongbing different characteristics with aphid-borne diseases, Huanglongbing to persistent disease.
蚜虫在吸入植物汁液的过程中病毒粒子和辅蛋白同时也被吸入，从而完成获毒过程，这也支持了田间蚜虫是柑桔衰退病等非持久性病害传播介体，而柑桔黄龙病是由韧皮部限制性细菌类引起，病原体主要存在于韧皮部中，木虱只有通过在病株韧皮部取食，病原在体内完成循回到唾液腺中，在下一次取食过程中通过在筛管中分泌的唾液将病原体带到健树，柑桔黄龙病与蚜虫传病特点不同，黄龙病为持久性病害。
13. JA transportation is likely to be through ray parenchyma cell, vessel tube and sieve tube in H.
JA在橡胶树内可快速通过韧皮部经由形成层径向运输到木质部，同时，JA能通过木质部和韧皮部进行纵向长距离双向运输。
14. They are usually associated with specialized parenchyma cells called COMPANION CELLS, whose protoplasts are connected with the protoplasm of the sieve tube by plasmodesmata.
筛管常与特殊薄壁细胞相联系，这种细胞被称为伴胞，其原生质和筛管内的原生质有丰富的胞间连丝相通。
15. The secondary phloem mother cell were divided and differentiated into sieve tube, companion cell, libriform fibre, parenchyma cell, and a few sclereid cells, The sieve tube and companion cell was originated from inequality mitosis of sieve mother cell.
维管形成层韧皮部母细胞分裂分化形成筛管、伴胞、韧皮薄壁细胞、韧皮纤维和少量的石细胞，筛管和伴胞来源于筛管母细胞的不均等有丝分裂。
16. In type ?, as seen in 5 species of Euonymus, the sieve tube elements have more inclined end walls and numerous sieve areas (compound sieve plates), phloem rays are almost uniseriate.
类型Ⅰ：筛管分子端壁倾斜，筛域数多，都为复筛板，韧皮射线大多为单列。卫矛属（Euonymus）的5种植物属于这一类型；
17. Programmed Cell Death (PCD), a physiological cell death process, is associated with the differentiation of vessel and sieve tube, the propagation, senescence, the hypersensitive reaction of plants, and so on.
细胞程序性死亡（Programmedcelldeath，PCD）与导管和筛管的分化、繁殖、衰老、超敏反应等过程紧密相关。
sieve tube的解释
18. A nickel containing carbon molecular sieve membrane (Ni-CMSM) was prepared by pyrolysis of a Ni-exchanged sulfonated phenolic resin precursor membrane, which was supported on porous Al_2O_3 tube.
采用热固型共聚磺化酚醛树脂在多孔Al2O3管外侧经涂覆、固化、离子交换和热解的方法制备了一种载镍炭分子筛膜。
19. The cortical cells had thin walls and mitochondrium, and nucleus wassurrounded by chloroplasts, and vesicles were next to cell plasmalemma. However, cellwalls of velamen, cortex and exodermis in the mycorrhiza of D. nobile had ring orpapillary thickenings in many cases. The hyphae were surrounded by moremitochondria and vesicles of plant, and the hyphae were digested and their structure waschanged at last. The cell wall of endodermis also had typical ring thickenings, and manysieve orifices in sieve tube elements of phloem were covered by callose, while therewere liaison cords in a few sieve orifices.
金钗石斛菌根的根被细胞的细胞壁多处出现环形圈，外皮层细胞壁加厚，木质化，也有环形圈存在，皮层细胞细胞壁多角形明显，加厚，皮层细胞中存在被消化、失去结构的真菌菌丝，在菌丝周围有较多的线粒体、小泡，内皮层细胞的细胞壁呈现的典型的加厚及木质化环形圈，韧皮部筛管的筛板结构，绝大多数筛孔已为胼胝质所覆盖，仅个别筛孔中还存在连络索。
20. The other type of cells located at both ends of the spindle which possess an intermediate form between the filiform cell and the normal sieve tube.
另一类是位于纺锤体两端、形态介于线条形细胞和正常筛管分子之间的细胞，此类细胞两端的端壁形态不同。
sieve tube 英英释义
noun
1.
1. tube formed by cells joined end-to-end through which nutrients flow in flowering plants and brown algae
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