Biological activity was determined by egf dependent balb / c 3t3 cell line and with mtt colorimetric assay. extracts of the recombinant virus - infected and mock - infected cells, haemolymph of the recombinant virus infected and mock - infected silkworm larvae could all support the proliferation of balb / c 3t3 cell. this phenomena implied that there were some egf - like growth factors in the haemolymph of normal silkworm larvae, which could enhance the proliferation of the cell line
用小鼠balb c3t3成纖維細胞和mtt法測定表達產物的促細胞增殖作用,發現重組病毒感染家
蠶細胞72小時的胞內樣品與正常家
蠶細胞裂解物,以及重組病毒感染4天的
蠶血淋巴與正常
蠶血淋巴均
具有相似的促細胞增殖作用,甚至野生型病毒感染的細胞裂解物和
蠶血淋巴也有一定的細胞促生長作用,提示家
蠶系統本身可能含有能促進細胞生長、類似於egf的細胞因子。
Health care functions of silk and silk fabrics
論
蠶絲與真絲織物
具有保健功能的科學性
That is firstly establishing the body characteristic image and character data - base of every breed at the newly - hatched silkworm stage by anatomical microscope and photography equipment, and then comparing the body characteristic of the silkworm breed to be identified with the corresponding characteristics of every breed having known in the data - base, and making a statistic deduction on the inspectional results in the light of probability distribution theory and sample deduction method
不同
蠶品種
具有不同的
蠶體顏色、斑紋、斑紋顏色和形狀、體型等形體特徵,這種形體特徵與4 、 5齡大
蠶的形體特徵不同,據此發明了一種根據蟻
蠶期形體特徵檢驗
蠶種雜交率的方法。
Due to the limited land resources, for example, there will likely be increasing pressures for developments to eat into ecologically sensitive areas
例證之一,在土地資源貧乏的情況下,香港可能向嚴峻的發展壓力屈服,迫於無奈
蠶食
具有生態價值的土地。
Mainly made of super - fine three - dimensional staple fibers and mixed with some polyester staples of low melting point and finished products scarcely containing glue materials. after being calenderized and ironed, the product get smooth surface, silk - like glittering effect, light and exquisite hand feeling, softness, heat preservation, good washing endurance, no distortion and leaking. it feels like down but with fine tenacity and is the best among all spray bond padding products
用超細三維中空短纖維為主要原料,配以部分低熔點滌綸短纖,成品含膠量極少,經過軋光燙平后,仿絲綿表面平整、有絲光、輕薄、手感細膩、柔軟、保溫好、耐水洗性極強、不易變形、不會跑毛、手感似羽絨,
具有質地纖細、表面如
蠶絲、有拉力、柔軟等特點,是噴膠棉中最高擋的產品。
Canju. plastic products ( cocoon orchid son ). silkworm used feed. silkworm use of ants kits. silkworm production processing using cartons, bedding. clothing. silkworm used appliances sales
蠶具塑料製品(繭蘭子)
蠶用飼料
蠶用收蟻袋
蠶用紙箱生產加工,床上用品服裝
蠶用爐
具銷售。
Recently, silkworm - raising has become popular in our school. every student in school raises them. while most children treat the worms like toys, the students in our class love and care for them as if they were babies
近來學校里流行養
蠶,全校學生人手一盒,但大部分的孩子只把
蠶兒視為玩
具,然而我們班的孩子卻把
蠶寶寶當成嬰兒般愛心地照顧。
Moreover, a new industrial concept based on knowledge innovation should be introduced in the light of the regional features of western china and the existing problems of china s sericulture so as to set up a new operating mechanism featuring a virtuous circle
為了做好西北
蠶絲業的開發工作,必須針對西部地區的特點和當前中國
蠶絲業的問題,及時引入
具有知識創新特徵的新產業思維,形成
具有良性循環特徵的新的產業運作機制。
The enzymatic activity of the both prokaryotic and eukaryotic derived appa phytase were increased in the presence of ca2 + and mn2 + at a concentration of 1 mm. due to the high expression efficiency and the enzymatic characteristics, bevs derived appa phytase seemed to be a valuable candidate for the application of feed supplement
由appa植酸酶在家
蠶生物反應器中的超量表達以及appa植酸酶本身所
具有的酶學特性推斷,家
蠶表達的appa植酸酶適合於作為新一代植酸酶添加劑應用於飼料工業與畜禽養殖業中。
This dissertaion, on the basis of the other studies, on the one hand, researched and analysed the chromosomes and mitoses of the cell line - bmn, which is widely used in the silkworm baculovirus expression system as an engineering cell. on the other hand, the dissertation attempted to explore establishment of the new silkworm embryoni cell line by primary culture
同時,家
蠶體外細胞培養研究的進行,不僅可以為家
蠶細胞生物學的基礎理論研究提供良好的研究系統,而且在家
蠶資源的開發與利用方面也
具有重大的意義。本研究在借鑒前人研究的基礎上,一方面對現在廣泛應用於家
蠶桿狀病毒表達系統的工程細胞? bmn細胞的染色體和有絲分裂進行了研究與分析。
Although compared with the other insect cell expression systems, the expression system which uses silkworm, bombyx mori, as bioreactor is very meaningful to study for so many merits of it
雖然以家
蠶為生物反應器的家
蠶桿狀病毒表達系統較之其他的昆蟲表達系統來說
具許多優點,
具有重大的研究意義。
2. sequence comparison of alpha - amylase gene of bombyx mori and bombyx mandarina the alpha - amylase gene structures of bombyx mori and bombyx mandarina are very similar, both comprised of five exons and four introns, with comparable length. the mean at contents of exons and introns are not much different
家
蠶和野桑
蠶-澱粉酶基因序列比較分析家
蠶和野桑
蠶-澱粉酶基因
具有相似的基因結構,都包含5個exon和4個intron ,各內含子、外顯子長度在家
蠶和野桑
蠶間較類似,外顯子和內含子at的平均值差異不大。
Yunnan could be a good base to produce cocoon with high quality because of its suitable natural conditions in mulberry planting and silkworm rearing
摘要雲南具有世界上比較適宜栽桑養蠶的自然條件,是生產優質原料繭的好基地。