2012년 10월 30일 화요일
2012년 10월 29일 월요일
gcc
.file "test1.c"
.def ___main; .scl 2; .type 32; .endef
.section .rdata,"dr"
LC0:
.ascii "a's value is %d\12\0"
.text
.globl _main
.def _main; .scl 2; .type 32; .endef
_main:
LFB6:
.cfi_startproc
pushl %ebp
.cfi_def_cfa_offset 8
.cfi_offset 5, -8
movl %esp, %ebp
.cfi_def_cfa_register 5
andl $-16, %esp
subl $32, %esp
call ___main
movl $1, 28(%esp)
movl 28(%esp), %eax
movl %eax, 4(%esp)
movl $LC0, (%esp)
call _printf
leave
.cfi_restore 5
.cfi_def_cfa 4, 4
ret
.cfi_endproc
LFE6:
.def _printf; .scl 2; .type 32; .endef
-----
C:\work\gzstream\gzstream>gcc gzstream.C -I /. -o test.exe
In file included from gzstream.C:29:0:
gzstream.h:35:18: fatal error: zlib.h: No such file or directory
compilation terminated.
C:\work\gzstream\gzstream>gcc gzstream.C -I /. -o test.exe
.def ___main; .scl 2; .type 32; .endef
.section .rdata,"dr"
LC0:
.ascii "a's value is %d\12\0"
.text
.globl _main
.def _main; .scl 2; .type 32; .endef
_main:
LFB6:
.cfi_startproc
pushl %ebp
.cfi_def_cfa_offset 8
.cfi_offset 5, -8
movl %esp, %ebp
.cfi_def_cfa_register 5
andl $-16, %esp
subl $32, %esp
call ___main
movl $1, 28(%esp)
movl 28(%esp), %eax
movl %eax, 4(%esp)
movl $LC0, (%esp)
call _printf
leave
.cfi_restore 5
.cfi_def_cfa 4, 4
ret
.cfi_endproc
LFE6:
.def _printf; .scl 2; .type 32; .endef
-----
C:\work\gzstream\gzstream>gcc gzstream.C -I /. -o test.exe
In file included from gzstream.C:29:0:
gzstream.h:35:18: fatal error: zlib.h: No such file or directory
compilation terminated.
C:\work\gzstream\gzstream>gcc gzstream.C -I /. -o test.exe
2012년 10월 24일 수요일
2012년 10월 18일 목요일
첨체반응acrosomal reaction
12.7.2
When activated animal sperms approach the ovum surface, they are blocked by special matrices called the zona pellucida or the vitelline membrane. The zona pellucida mainly consists of three glycoproteins, Z1, Z2 and Z3. The Z3 protein species-specifically binds to Z3 receptors on the plasma membrane of sperms (Fig. 12-15). This binding triggers the acrosome reaction (Fig. 12-15), in which hydrolase stored in the acrosomal vesicle of a sperm is released to the zona pellucida and degrades it, allowing the sperm to penetrate. Fusion of the ovum plasma membrane and the sperm plasma membrane then occurs, and the sperm nucleus enters the ovum.
In addition to introducing a paternal gene set to an ovum, the sperm also activates the ovum. In mammals, when a sperm fuses with the surface of an ovum, there is a local increase in the level of intracellular Ca2+, which is then transmitted to the entire ovum in a wave-like motion (known as a calcium wave; see Fig. 9-4A in Chapter 9) and activates the ovum. In the activated ovum, hydrolase is secreted from the cortical granules in the cell to the zona pellucida, thus changing its nature to block the entry of other sperms. On the other hand, the Ca2+ signal drives the developmental program of the ovum, leading the fertilized egg to the next stages of development. These sperm roles can be replaced with physical or chemical treatment. As an example, a frog ovum can be activated by a pinprick. In some organisms, the ovum is activated without a sperm and develops into a complete organism. This type of development is called parthenogenesis.
In addition to introducing a paternal gene set to an ovum, the sperm also activates the ovum. In mammals, when a sperm fuses with the surface of an ovum, there is a local increase in the level of intracellular Ca2+, which is then transmitted to the entire ovum in a wave-like motion (known as a calcium wave; see Fig. 9-4A in Chapter 9) and activates the ovum. In the activated ovum, hydrolase is secreted from the cortical granules in the cell to the zona pellucida, thus changing its nature to block the entry of other sperms. On the other hand, the Ca2+ signal drives the developmental program of the ovum, leading the fertilized egg to the next stages of development. These sperm roles can be replaced with physical or chemical treatment. As an example, a frog ovum can be activated by a pinprick. In some organisms, the ovum is activated without a sperm and develops into a complete organism. This type of development is called parthenogenesis.
2012년 10월 17일 수요일
permeability
previously mentioned, permeability (m) is a material property that describes the ease with which a magnetic flux is established in a component. It is the ratio of the flux density (B) created within a material to the magnetizing field (H) and is represented by the following equation:
m = B/H
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2012년 10월 16일 화요일
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