trundle screen

combined winnower and grader with rotary screen

旋转筛联合风选分级机

rotary screen type precleaner

旋转圆筒筛式粗选机

The rotating cylinder with spiral grooves acts as a speed selector.

螺旋切口的旋转圆筒作为速率筛选器。

The cost of screening test per baby was between 500-800 NT dollars.

至于初筛未通过之转介率差异亦大，10%。

Besides, the conversion of ethanol have been found to be dependent on the amount of surface acid sites on zeolites.

乙醇转化率与分子筛表面酸量有关。

Studies on the Screening Method of HIV-1 Reverse Transcriptase Inhibitors;

HIV-1逆转录酶抑制剂筛选方法的研究

Transformation and Screening of Herbicide Resistant Bar Gene in Maize;

玉米抗除草剂Bar基因的转化及筛选

Selection and Identification of Transgenic MTI2 and Bt Arabidopsis Thaliana;

MTI2和Bt转基因拟南芥的鉴定及筛选

Screening and Constructing a High Metastassis Subline from Lovo Cell;

高侵袭转移Lovo细胞亚系的筛选与建立

Selection of the Specific DNA Recognition Motif of Transcription Factor AINTEGUMENTA;

转录因子AINTEGUMENTA特异性识别的DNA基序筛选

Identification and Functional Study of Breast Cancer Metastasis Ralated Genes

乳腺癌转移相关基因筛选及功能研究

Mannose Selection System in Tomato Transformation

甘露糖筛选系统在番茄转化中的应用

Selection and Identification of Transgenic Brassica campestris L. ssp. Chinessis var. purpurea Tsen et lee. Harboring Arabidopsis ARF8 Gene

红菜薹AtARF8转基因植株的筛选与鉴定

Screening of Dextral-fosfomycin Biotransformation Strains and Research of Strains Characters;

磷霉素转化菌株筛选及菌株转化特性研究

Transformation of Brassica napus by Vacuum Infiltration

真空渗透法转化油菜及转化种子的筛选

"Use a trowel, collect the top layer of the sediment. Place the sediment in a sieve and stir it gently in the water."

用小铲把河床表面的物质铲到金属筛里,将金属筛在水中轻轻转动。

A revolving cylindrical sieve used for screening or sizing rock and ore.

滚筒筛一种圆筒形的可旋转的筛，用于岩石和矿石的筛分或大小测量

Changing the rate of cylinder rotation changes the speed selected.

改变圆筒旋转速率就改变被筛选的速率。